Page 1
PATENTED
PR
EC
ISIO
N R
ING
DR
IVE
TE
CH
NO
LOG
Y
Features & B
enefits
2
Selection P
rocess
4
(CR
D)
Com
pact Precision R
ing Drive
7
(PR
D)
Precision R
ing Drive
23
Application & Selection Guide
The most advanced technology in rotary motion control.
Based on Nexen’s innovative Roller Pinion technology, Nexen Ring Drive Systems come complete with a precision grade, high capacity bearing and drive mechanism in a rigid housing. With options for high speed, high torque and zero backlash, Nexen Ring Drives can be optimized for every application. With accelerations up to twice as high as other indexing technologies, Nexen Ring Drive systems provide more productivity while boasting low maintenance, high efficiency and long life.
PRECISION RING DRIVE SYSTEMS
Page 2
2
DEPENDABLE. VERSATILE.OPTIONS THAT DELIVER.
Positioning • Semiconductors • Medical Products • Robotics
Robot Indexer
The Nexen Ring Drive Advantage
• High Indexing PrecisionWith an indexing precision up to ± 11 ArcSec and repeatability up to ± 1.2 ArcSec, Nexen’s Ring Drives offer unmatched mechanical system capabilities.
• Zero BacklashUnlike other mechanical drive systems, the CRD offers zero backlash options from the motor through the driven load.
• High Load CapacityWith the precision grade, high load capacity cross-roller bearing, Nexen Ring Drives can handle loads up to 1575 kN.
• High SpeedNexen Ring Drives can handle speeds up to 304 RPM. Unlike traditional cam driven systems, Nexen Ring Drives can handle peak torque inputs at any time. This allows for indexing times up to 2x faster than the competition.
• Smooth in MotionCombining Nexen's RPS technology with a preloaded cross-roller bearing and an integrated motor/precision gearhead gives a rigid, smooth system.
• High Torque HoldingWith the optional zero backlash holding brake, the CRD can hold loads up to 800 Nm (available on CRD250, other sizes pending) while still maintaining an open center.
Based on Nexen’s innovative Roller Pinion technology, Nexen Ring Drive (CRD & PRD) systems come complete with a precision grade bearing and drive mechanism in a rigid housing to simplify the selection process. With all the great features of our other advanced RPS technology, the Ring Drives open up new design possibilities to next generation machines.
Welding Trunnion
Page 3
3Positioning • Semiconductors • Medical Products • Robotics
DE
PE
ND
AB
LE. R
ELIA
BLE
.
PE
RF
OR
MA
NC
E
Indexer
Positioning Indexer
CRD: A DRIVE STATION FOR EVERY APPLICATION
Harmonic Gearhead (HG)HigH Ratio geaRHead
High Precision PlanetaryFlexible geaRHead Ratio
Output Plate Bolt Circle Diameters400 mm, 750 mm, 1100 mm, 1500 mm
Peak Output Torque832 Nm to 2860 Nm
Positional Accuracy± 11 to ± 35 ArcSec
Max Backlash3 to 12 ArcSec
Input to Output Ratio25.6:1 to 6600:1
Motor Ready Sealed (MRS)Ready to accept MotoR/geaRHead
Motor Ready Guarded (MRG)Ready to accept MotoR/geaRHead
Motor Ready Open (MRO)Ready to accept MotoR/geaRHead
Direct Drive Pinion (DD)integRated MotoR, no geaRHead
High Precision Planetary (PL)Flexible geaRHead Ratio
Output Plate Bolt Circle Diameters150 mm, 250 mm, 350 mm, 550 mm
Peak Output Torque119 Nm to 1148 Nm
Positional Accuracy± 20 to ± 59 ArcSec
Sealed Housing AvailableIP 65 Rated
Max Backlash0 to 20.3 ArcSec
Input to Output Ratio6.2:1 to 2460:1
zeRo backlasHlow backlasH
low backlasH
zeRo backlasH
zeRo backlasH
zeRo backlasH
zeRo backlasH
PRD: CAPACITY EVEN FOR THE MOST DEMANDING
Material Fabrication • Automotive • Aerospace • Welding
Page 4
4
Measurements Required for Selection
Customer Data(record your values below)
Sample Data
Load Inertia (I) kgm2 70 kgm2
Index Time (tI) seconds 0.9 seconds
Move Distance (θ) ° 45°
Maximum Dynamic Axial Load (FAmax) kN 50 kN
Maximum Dynamic Radial Load (FRmax) kN 0 kN
Maximum Dynamic Moment Load (Mmax) kNm 1 kNm
Maximum Static Axial Load (FA0) kN 20 kN
Maximum Static Radial Load (FR0) kN 0 kN
Maximum Static Moment Load (M0) kNm 0.5 kNm
Drag Torque & Other Applied Torque Loads (TO)May include table support friction, cutting or clamping forces, etc.
Nm 10 Nm
Shock Factor (K)Circle the value that best reflects the smoothness of your application.
Shockless OperationNormal Operation
Operation with ImpactOperation with High Impact
1.01.21.53.0
1.2
Nexen will work with you to select the perfect Ring Drive for your application needs. Please fill in the application data below and perform the calculations on the following page. With this information, Nexen will select a Ring Drive system to meet all your application requirements.
Ring Drive Selection Process
STEP 1: GATHER APPLICATION DATABefore you begin calculations, there are key measurements that you will need from your application. Collect the data and record it in the chart below. With this data available you can proceed on to the calculations on the following page. (Refer to the diagram to the right when completing the table below.)
Other Key Application Information
Application Description:
Environmental Conditions: c Typical Industrial c High Humidity c High Temperature c High Dust
Positional Accuracy Requirements:
Mounting Orientation: c Vertical (Radial Load) c Horizontal (Applied Load) c Horizontal (Suspended Load)
TM
Faxial
Fradial
TO
Page 5
5
STEP 2: CALCULATING RING DRIVE REQUIREMENTS FOR SIMPLE INDEXING APPLICATIONSRing Drive selection is based on the torque requirements of your application. Using the information gathered on the preceding page, perform the following calculations. If your application movement is more complex than basic indexing, evaluate each stage of movement independently and perform separate calculations for each stage.
STEP 4: EVALUATE LOAD CARRYING CAPACITYUse the data for Maximum Axial Load, Maximum Radial Load, Maximum Moment Load, and Mounting Orientation to evaluate your load carrying needs against the load diagrams on the following pages. To do this, find the set of charts that represents your mounting orientation, then graph your data in the appropriate charts(s) to ensure that your requirements fall into the shaded area representing load capacity available in that CRD or PRD size and orientation.
(NOTE: The weight of the CRD or PRD is already factored into the load charts.)
tA = secSample: tA = 0.9 seconds ÷ 2 = 0.45 seconds
Sample: w = (45º ÷ 0.9 seconds) • ( � ÷ 90) = 1.75 rad/sec
Sample: a = 1.75 rad/sec ÷ 0.45 sec = 3.89 rad/s2
Sample: Tgear = (70 kgm2 • 3.89 rad/s2) + 10 Nm = 282.3 Nm
Sample: TT = 282.3 Nm • 1.2 = 339 Nm
sec ÷ 2
rad/sec
rad/s2
Nm
Nm
rad/sec
kgm2
Nm
sec
Nmrad/s2
tA =
a =
w =
a =
Tgear =
TT =
Tgear =
TT =
÷
•
acceleRation tiMe: tA = tI ÷ 2
Max angulaR speed: w = (θ ÷ tI) • (� ÷ 90)
angulaR acceleRation: a = w ÷ tA
application toRque: Tgear = (I • a) + TO
application toRque witH sHock FactoR: TT = Tgear • K
•
acceleRation tiMe
selected cRd oR pRd size
•
angulaR acceleRation
Max angulaR speed
application output toRque
STEP 5: CHOOSE YOUR RING DRIVE SIZEUse the Total Output Torque (TTgear) calculated in Step 3 and the load evaluation from Step 4 to select the Ring Drive size that best fits your application. Review CRD and PRD Specifications to ensure the selected size meets all of your application requirements.
w = •° sec � ÷ 90
+
STEP 3: ADD DRAG TORQUE TO APPLICATION TORQUEDrag Torque varies based on the load placed on the bearing. Use Page 18-19 (CRD) or Page 30 (PRD) to calculate Total Drag Torque (TBD) for the chosen product & application. Add Total Drag Torque (TBD) to Total Output Torque w/ Shock Factor (TT) and re-compare to specifications of chosen Ring Drive. This will ensure that your Ring Drive Unit has enough Output Torque Capacity to move your load & overcome any drag torque.
total output toRque
Nm
Sample: TTgear = 339 Nm + 548 Nm = 887 Nm
TTgear = TT + TBDTTgear =TTgear =
total dRag toRque
NmTBD =
application output toRque w/ sHock FactoR
total RequiRed geaR toRque:
*Sample data is for a CRD
Nm Nm+
Page 7
7
Product Descriptions .......................................................... 8 Specifications ....................................................................... 8 Direct Drive Motor ............................................................. 9 Dimensions ............................................................................ 10 Timing Diagrams ............................................................... 11 Load Diagrams ................................................................... 15 Drag Torque Calculations ................................................ 18 System Life ......................................................................... 20 Accessories: Brake, Dial Plates ...................................... 21
Compact Precision Ring Drive (CRD)Based on innovative Roller Pinion technology, the CRD system comes complete with a precision grade bearing and drive mechanism in a sealed housing. Freely programmable, the drive design configurations allow the CRD to be optimized for high speed, high torque or both depending on the application. With a 150, 250, 350 or 550 mm output bolt circle diameter and a large open center, users can optimize performance in a small space.
Page 8
8
CRD 250 P, PL, 15.2:1, 24.00, 50.00, 110.00
Output Bolt Circle DiameterCompact Ring Drive
Premium or Non-Hardened GearDrive Station Type:
Input/Output RatioCustomer Motor Shaft Diameter
Customer Motor Pilot DiameterCustomer Motor Shaft Length
Gearboxes: PL=Planetary, HG=Harmonic GearheadOther Drive Stations: DD=Direct Drive Motor, MRS=Motor/Gearbox Ready-Sealed, MRG= Motor/Gearbox Ready-Guarded, MRO=Motor/Gearbox Ready-Open
CRD Product Descriptions
CRD Specifications
Performance Specifications
Max
imum
Vel
ocity
Max
Con
tinuo
us V
eloc
ity
One
-Way
Posi
tiona
l Acc
urac
y (3)
One
Way
Rep
eata
bilit
y (3)
Max
Bac
klas
h
Max
Acc
eler
atio
n To
rque
Con
tinuo
us S
tall
Torq
ue
Nom
inal
Tor
que
Gea
r/P
inio
n R
atio
Inpu
t to
Out
put R
atio
Sea
led
Hou
sing
,IP
65 R
ated
Unl
oade
d D
rag
Torq
ue
(ULd
rag)
Max
Loa
d In
ertia
Out
put I
nert
ia
Tota
l Refl
ecte
d In
ertia
to
Gea
rbox
Out
put
RP
M
RP
M
±A
rcS
ec
±A
rcS
ec
Arc
Sec
Nm
Nm
Nm
Nm
kgm
2
kgm
2
kgm
2
PL
CRD250P-PL 225 151(2) 59 (1) 7.1 20.3 (1) 494
N/A
323 3.8:1 15.2:1 (2) yes 30
N/A
0.227 0.0182
CRD350P-PL 161 111(2) 43 (1) 5.2 14.8 (1) 676 442 5.2:1 20.8:1 (2) yes 80 0.782 0.0314
CRD550P-PL 120 70 (2) 27 (1) 3.3 9.4 (1) 1066 697 8.2:1 32.8:1 (2) yes 135 4.600 0.0709
HG
CRD250P-HG 25 (2) 18 (2) 43 7.1
0
532
N/A
380 3.8:1 190:1 (2) yes 30
N/A
0.227 0.0157
CRD350P-HG 18 (2) 13 (2) 31 5.2 728 520 5.2:1 260:1 (2) yes 80 0.782 0.0289
CRD550P-HG 11 (2) 8 (2) 20 3.3 1148 820 8.2:1 410:1 (2) yes 135 4.600 0.0684
DD
CRD250P-DD
See Charts
See Charts
41 6.9
0
367 100
N/A
6.2:1 6.2:1 yes 30
50
0.219 0.00864 (4)
CRD350P-DD 30 5.1 497 136 8.4:1 8.4:1 yes 80 0.761 0.0138 (4)
CRD550P-DD 20 3.2 770 210 13:1 13:1 yes 135 4.480 0.0294 (4)
MR
S
CRD150P-MRS 304 222 59 9.8
0
288
N/A
158 9:1 9:1 yes 10
N/A
0.048 0.00091
CRD250P-MRS 225 160 42 7.1 400 220 12.5 12:5 yes 30 0.194 0.00156
CRD350P-MRS 161 117 31 5.2 544 299 17:1 17:1 yes 80 0.669 0.00263
MR
G
CRD150P-MRG 304 222 59 9.8
0
288
N/A
158 9:1 9:1 no 3
N/A
0.048 0.00091
CRD250P-MRG 225 160 42 7.1 400 220 12.5 12.5 no 10 0.194 0.00156
CRD350P-MRG 161 117 31 5.2 544 299 17:1 17:1 no 15 0.669 0.00263
MR
O
CRD150N-MRO 304 222 59 9.8
0
119
N/A
119 9:1 9:1 no 3
N/A
0.048 0.00091
CRD250N-MRO 225 160 42 7.1 165 165 12.5:1 12.5:1 no 10 0.194 0.00156
CRD350N-MRO 161 117 31 5.2 224 224 17:1 17:1 no 15 0.669 0.00263
(1) Includes Gearbox Backlash (2) Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available) (3) Contact Nexen for higher precision options (4) Total Reflected Rotary Inertia, including Motor Inertia
Page 9
9
Specifications CRD250-DD CRD350-DD CRD550-DD
Motor Winding Selection C D C D C D
Peak Current (lp) (1) Arms 39.2 49.5 39.2 49.5 39.2 49.5
Continuous Stall Current (lc) (2) Arms 7.9 9.8 7.9 9.8 7.9 9.8
Torque Sensitivity (Kt) (3) Nm/Arms 12.7 10.2 17.2 13.7 26.65 21.3
Back EMF Constant (Kb) (3) Vrms/kRPM 769 613 1040 830 1612 1286
Resistance (Line to Line) (Rm) Ohms 1.80 1.14 1.80 1.14 1.80 1.14
Inductance (Lm) mH 15 9.3 15 9.3 15 9.3
Motor Poles 10 10 10 10 10 10
(1) @ 25°C winding temperature (2) Winding temperature = 145°C @ continuous stall, 25°C ambient (3) System Equivalent Values
CRD Direct Drive Motor Specifications
Motor FeedbackCRD Feedback Specifications ENDAT01
Output Interface Endat 2.1 Multi-turn
Device Resolution Cycles or Lines/Rev 2048
Resolution after AKD Interpolation Counts 134, 217, 728
Input Voltage VDC ±5% 5
Current Consumption mA Max 250
Plug and Play Motor ID * Yes
*These feedback devices include electronic motor nameplate data allowing plug-and-play commissioning, eliminating the need for drive parameter set-up and servo loop tuning in most applications.
Direct Drive Motor Specifications
Peak Speed Torque Curves at Output
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD350-DD
0 25 50 75 125 150 175 200 225Output RPM
Ou
tpu
t To
rqu
e (N
m)
0
50
100
150
200
250
300
350
400CRD250-DD
0
100
200
300
400
500
600
0 20 40 60 80 100 120
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD550-DD
100
700
800
900
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD350-DD
0 25 50 75 125 150 175 200 225Output RPM
Ou
tpu
t To
rqu
e (N
m)
0
50
100
150
200
250
300
350
400CRD250-DD
0
100
200
300
400
500
600
0 20 40 60 80 100 120
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD550-DD
100
700
800
900
For non-cyclic continuous operation, contact Nexen.
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
480 VAC400 VAC230 VAC230 VAC
Mot
orW
indi
ng
DC
Supply Voltage
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD350-DD
0 25 50 75 125 150 175 200 225Output RPM
Ou
tpu
t To
rqu
e (N
m)
0
50
100
150
200
250
300
350
400CRD250-DD
0
100
200
300
400
500
600
0 20 40 60 80 100 120
Ou
tpu
t To
rqu
e (N
m)
Output RPM
CRD550-DD
100
700
800
900
*Other winding options available, contact Nexen.*
CRD Direct Drive Specifications
CRD Direct Drive Motor Specifications
Page 10
10
NOTE: Basic dimensions shown for selection purposes only and subject to change. Visit www.nexengroup.com for detailed drawings and CAD models before designing into your system.
F
A
D
E
GREASE FITTING
2 AT 180°
G
M K
L
MATING MOTOR FACE REQUIREMENTS
.05
LL
H I
J
OUTPUTMOUNTINGHOLES:CRD150: M8 X 1.25 (qty 12)CRD250: M8 X 1.25 (qty 18)CRD350: M10 X 1.50 (qty 24)CRD550: M12 X 1.75 (qty 20)
BASE MOUNTING HOLESFOR CUSTOMER SUPPLIEDSCREWS: CRD150: M8 (qty 12 @ 22.5°) CRD250: M8 (qty 17 @ 18°) CRD350: M10 (qty 17 @ 18°) CRD550: M10 (qty 28 @ 12°)
N
0
C
(1 ACCESS HOLEON UNITS WITH OPTIONAL BRAKE)
STATIONARYMOUNTINGHOLES:CRD150: M8 X 1.25 (qty 8)CRD250: M8 X 1.25 (qty 12)CRD350: M10 X 1.50 (qty 16)CRD550: M12 X 1.75 (qty 20)
Not Shown: Air Inlet Fitting for .17" I.D. Hose. (Used on Optional Brake ONLY.)
Not present on units with optional brake.
CRD150 CRD250 CRD350 CRD550
A Drive Station Envelope to Center Distance mm 212.5 275.5 329.5 441.5
B Drive Station Envelope Width mm 184.9 182.8 184.3 179.8
C Outer Diameter mm 285 370 488 721.6
D Stationary Bolt Circle Diameter mm 70 132.5 180 375
E Output Bolt Circle Diameter mm 150 250 350 550
F Base Mounting Hole Circle Diameter mm 265 350 465 698
G Output Outer Diameter mm 199.5 290 385 600
H Output Inner Diameter (H7) mm 120 200 280 470
I Inner Diameter without Brake mm 45 115 155 350
with Brake mm N/A 31.7 N/A N/A
J Depth to Stationary Ring mm 33.8 16.8 10 7.5
K Overall Length mm 355 457.2 573.4 800.5
L Unit Height mm 73.5 73.5 73.5 84.5
M Drive Station Center to CRD Center
PL, HG mm N/A 184 238 350
DD mm N/A 174 228 340
MRS, MRG, MRO mm 120 162 215 N/A
N Drive Station & Adapter Width
PL, HG mm N/A 183 183 183
DD mm N/A 193 193 193
MRS, MRG, MRO mm 185 185 185 N/A
O Drive Station Depth
PL mm N/A 130 130 130
HG mm N/A 58.5 58.5 58.5
DD mm N/A 191 191 191
MRS, MRG, MRO mm 59.5 59.5 59.5 N/A
*
*
CRD Dimensions
Page 11
11
CRD150P-MR (MRS, MRG, MRO) Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
CRD150N-MR (MRS, MRG, MRO) Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
NOTES: Curves assume no external forces such as additional table support friction, cutting forces, etc. Timing diagrams are developed assuming minimum drag torque, use for reference only.
*Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available)
CRD150 Timing Diagrams
Page 12
12
CRD250P-PL Timing Diagram
CRD250P-HG Timing Diagram
CRD250P-DD Timing Diagram
CRD250P-MR (MRS, MRG, MRO) Timing Diagram
NOTES: Curves assume no external forces such as additional table support friction, cutting forces, etc. Timing diagrams are developed assuming minimum drag torque, use for reference only.
*Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available)
CRD250 Timing Diagrams
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
CRD250N-MR (MRS, MRG, MRO) Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
*
*
Page 13
13
CRD350N-MR (MRS, MRG, MRO) Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0Ti
me
(sec
)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
CRD350 Timing Diagrams
CRD350P-PL Timing Diagram
CRD350P-HG Timing Diagram
CRD350P-DD Timing Diagram
NOTES: Curves assume no external forces such as additional table support friction, cutting forces, etc. Timing diagrams are developed assuming minimum drag torque, use for reference only.
*Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available)
CRD350P-MR (MRS, MRG, MRO) Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0Ti
me
(sec
)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
*
*
Page 14
14
CRD550P-PL Timing Diagram
CRD550P-HG Timing Diagram
CRD550P-DD Timing Diagram
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.5
1.0
1.5
2.0
2.5
0 30 60 90 120 150 180 210 240 270 300 330 360
CRD250-DD Timing Diagram
Index (deg)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg) Index (deg)
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Tim
e (s
ec)
CRD250-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tim
e (s
ec)
CRD350-DD Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD350-HG Timing Diagram
0 30 60 90 120 150 180 210 240 270 300 330 3600.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
CRD350-PL Timing Diagram
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Tim
e (s
ec)
CRD550-PL Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
0.4
0.8
1.0
1.2
1.6
1.4
1.8
2.0
0 30 60 90 120 150 180 210 240 270 300 330 360
0.6
0.4
0.2
CRD250-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Tim
e (s
ec)
CRD350-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Tim
e (s
ec)
CRD550-DD Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.0
2.0
3.0
4.0
5.0
7.0
Tim
e (s
ec)
6.0
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
CRD550-HG Timing Diagram
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.0
1.5
2.0
2.5
Tim
e (s
ec)
CRD150-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
0.0
0.5
1.5
2.5
3.5
4.0
Tim
e (s
ec)
3.0
1.0
2.0
CRD150N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
0.0
1.5
2.0
2.5
3.0
3.5
0 30 60 90 120 150 180 210 240 270 300 330 360
1.0
0.5
0.0
1.5
2.0
2.5
3.0
3.5
1.0
0.5
CRD250N-MR Timing Diagram
Index (deg)
Tim
e (s
ec)
0 30 60 90 120 150 180 210 240 270 300 330 360Index (deg)
Tim
e (s
ec)
CRD350N-MR Timing Diagram
1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia1 kg•m2
5 kg•m2
10 kg•m2
25 kg•m2
50 kg•m2
Output Load Inertia
CRD550 Timing Diagrams
NOTES: Curves assume no external forces such as additional table support friction, cutting forces, etc. Timing diagrams are developed assuming minimum drag torque, use for reference only.
*Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available)
*
*
Page 15
15
CRD Load Diagrams (Applied Load)
Moment Load
Axial Load
LOAD
CUSTOMER MACHINE FRAME
Compact Ring Drive
CRD250 Applied Load ChartCRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD350 Applied Load Chart
Contact Nexen for bearing life in this orientation
CRD550 Applied Load Chart
All Applied Load Charts Assume CRD Base is Fully Supported by Machine Frame
CRD150 Applied Load ChartCRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
Page 16
16
CUSTOMER MACHINE FRAME
Compact Ring Drive
Distance from Center
LOADSuspended Axial Load
CRD250 Suspended Load Chart(upside-down orientation)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD Load Diagrams (Suspended Load)
CRD350 Suspended Load Chart(upside-down orientation)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD550 Suspended Load Chart(upside-down orientation)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
NOTE: There are no Dynamic Load Limits by Drag Torque, for Suspended Loads
All Suspended Load Charts Assume CRD Base is Fully Supported by Machine Frame
CRD150 Suspended Load Chart(upside-down orientation)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
Page 17
17
CR
D250 R
adial Lo
ad C
hart
CR
D350 R
adial Lo
ad C
hart
CU
STO
ME
R M
AC
HIN
E F
RA
ME
CompactRing Drive
Radial Load
Distance from
Machine Frame
LOA
D
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD Load Diagrams (Radial Load)C
RD
550 Rad
ial Load
Ch
art
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
NOTE: There are no Dynamic Load Limits by Drag Torque, for Radial Loads
All Radial Load Charts Assume CRD Base is Fully Supported by Machine Frame
CR
D150 R
adial Lo
ad C
hart
CRD250 Applied Load Chart
0 50 100 150 200 250 300 350AXIAL LOAD (kN)
AXIAL LOAD (kN)
0
1
2
3
4
5
MO
ME
NT
LOA
D (
kNm
)
CRD350 Applied Load Chart
0 50 100 150 200 250 300 350 400 450 500 550 6000
2
4
6
8
10
MO
ME
NT
LOA
D (
kNm
)
CRD250 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)D
ISTA
NC
E F
RO
M C
EN
TER
(m
m)
CRD350 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12 14
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD350 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD250 Radial Load Chart
0
100
200
300
400
500
RADIAL LOAD (kN)0 10 20 30 40 50 60 70 80
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD550 Radial Load Chart
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
CRD550 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 5 10 15 20 25 30 35
AXIAL LOAD (kN)
CRD550 Applied Load Chart
0 100 200 300 400 500 600 700 800 900 1000 110005
2520
1510
3035
40
MO
ME
NT
LOA
D (
kNm
)
0
100
200
300
400
500
RADIAL LOAD (kN)0 2 4 6 8
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
CRD150 Radial Load Chart
CRD150 Suspended Load Chart
AXIAL LOAD (kN)
0
100
200
300
400
500
0 2 4 6 8 10 12
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
10
0
1
2
3
4
5
6
7
8
0070060050040030020010
Mome
nt (kN
m)
Applied Load (kN)
CRD350 Applied/SuspendedCurrent Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD350P MR (32 Nm @ Pinion)
CRD350N MR (13.2 Nm @ Pinion)
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
HG
Dynamic LoadLimit by Drag
Torque
PLDD
Driv
eS
tatio
n
HG
Dynamic Load Limit by Drag Torque
PLDD
no load limitno load limit
MR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
HG
Dynamic Load Limit by Drag Torque
PLDDMR
MRDriv
e S
tatio
n Premium Gears
Non-Hardened Gears
Premium Gears
CRD150 Applied Load Chart
0 20 40 60 80 100 120AXIAL LOAD (kN)
0
1
2
MO
ME
NT
LOA
D (
kNm
) Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
MR no load limit
MR
Premium Gears
Non-Hardened GearsDriv
eS
tatio
n
no load limit
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300 350 400 450
Mome
nt (kN
m)
Applied Load (kN)
CRD250 Applied/Suspended
Current Chart Appled
Current Chart Suspended
DD (59.2 Nm @ Pinion)
HG (140 Nm @ Pinion)
PL 521 (130 Nm @ Pinion)
CRD250P MR (32 Nm @ Pinion)
CRD250N MR (13.2 Nm @ Pinion)
Page 18
18
CRD Drag Torque Calculations
STEP 1: GATHER APPLICATION DATABefore you begin calculations, there are several key measurements that you will need from your application in order to calculate drag torque. Collect the data and record it in the space provided.
Measurements forBearing Calculations
Customer Data(record your values below) Sample Data*
Maximum Dynamic Gear Torque of Application (TmaxApp) Nm 339 Nm
Maximum Dynamic Radial Load (FRmax) N 0 N
Maximum Dynamic Axial Load (FAmax) N 200,000 N
Maximum Dynamic Moment Load (Mmax) Nm 500 NmUnloaded Drag Torque of CRD (ULdrag)
Nm 135 Nm
Drag Torque varies based on the load placed on the bearing. Use the calculations below to find the Drag Torque for your application.
Mmax
FAmax
FRmax
TmaxApp
Bearing Race Specific Data
Loading Distribution IF:THEN:
X Y
1 0.45
0.67 0.67
K
K
STEP 2: CALCULATE THE MAXIMUM DYNAMIC EQUIVALENT RADIAL LOADPerform the following calculations using the data from the Table above and your application data from STEP 1.
Sample: = 136,298 N
MaxiMuM dynaMic equivalent Radial load
NPCmax =
5000.453
00.67 339 3.61 0.67 200,000
K
K
K
K
K
K
From CRD Specs
*Sample data is for a CRD550-PL (load data was based on a specific application)
Bearing Size CRD150 CRD250 CRD350 CRD550
Basic Dynamic Load Rating (C) N 31,400 80,300 151,000 206,000
Basic Static Load Rating (C0) N 45,300 135,000 252,000 447,000
Rolling Diameter of Cross Roller (dp) m 0.108 0.178 0.248 0.453
RPS Generated Load Factor (Krps)
RPS16 [CRD-DD] m-1 N/A 7.88 5.34 3.67
RPS25 [CRD-PL & CRD-HG] m-1 N/A 7.19 5.81 3.63
RPS1306 [CRD-MRS, CRD-MRG & CRD-MRO] m-1 11.25 8.30 6.21 N/A
MaxiMuM dynaMic equivalent Radial load:
K
K
K
K
K
K
Page 19
19
STEP 3: DETERMINE BEARING DRAG TORQUEThe bearing drag torque can be estimated based on the dynamic equivalent radial load. Use the following charts to determine your approximate bearing drag torque.
0
50
100
150
200
250
Dynamic
Equivalent
Radial
Load
vs.
Drag
Torque
Bearing Number
GB124GB148GB178GB228
0 40,000 60,000 80,000 100,000 120,000
Maximum Dynamic Equivalent Radial Load (N)
Bea
ring
Dra
g To
rque
(Nm
)
20,000
Maximum Dynamic Equivalent Radial Load (kN)
Dra
g To
rque
(Nm
)
0
500
1000
1500
0 200100 300 400 500
Bearing Number
CRD250CRD350CRD550
CRD150
( Td
ynam
ic )
( PCmax )
MAXIMUM DYNAMIC EQUIVALENT RADIAL LOAD VS. DRAG TORQUE
Sample
413 Nm
136.3 kN
cRd total dRag toRque
Nm
CRD Drag Torque Calculations
TBD =
Sample: 413 Nm + 135 Nm = 548 NmTBD =
+TBD =
ULdragTDynamic +TBD =
STEP 4: COMPLETE OUTPUT TORQUE CALCULATIONSRefer to the worksheet on Page 5 of Ring Drive Selection Process to calculate the Total Output Torque required for your application.
cRd total dRag toRque:
NmNm
Page 20
20
CRD System Life
0
100
200
300
400
500
0 42 6 8 10 12 14
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)16
CRD250 Life600
Ave
rage
Out
put T
orqu
e (N
m)
0
100
200
300
400
500
0 42 6 8 10 12Output Revolutions (Million)
CRD350 Life
600
700
800
Ave
rage
Out
put T
orqu
e (N
m)
0
200
400
0 42 6 831 5 7Output Revolutions (Million)
CRD550 Life
600
800
1000
1200HGPLDDD
rive
Sta
tion
0
100
150
50
200
250
300
350
0 42 6 831 5 7
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)
CRD150 Life
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
MR
Driv
eS
tatio
n
Premium Gears
Non-Hardened GearsMR
CRD life is based on average output torque and drive station options.
Assumes Planetary Gearbox Ratio of 4:1 and Harmonic Gearhead Ratio of 50:1 (other ratio options available)
0
100
200
300
400
500
0 42 6 8 10 12 14
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)16
CRD250 Life600
Ave
rage
Out
put T
orqu
e (N
m)
0
100
200
300
400
500
0 42 6 8 10 12Output Revolutions (Million)
CRD350 Life
600
700
800
Ave
rage
Out
put T
orqu
e (N
m)
0
200
400
0 42 6 831 5 7Output Revolutions (Million)
CRD550 Life
600
800
1000
1200HGPLDDD
rive
Sta
tion
0
100
150
50
200
250
300
350
0 42 6 831 5 7
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)
CRD150 Life
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
MR
Driv
eS
tatio
n
Premium Gears
Non-Hardened GearsMR
0
100
200
300
400
500
0 42 6 8 10 12 14
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)16
CRD250 Life600
Ave
rage
Out
put T
orqu
e (N
m)
0
100
200
300
400
500
0 42 6 8 10 12Output Revolutions (Million)
CRD350 Life
600
700
800
Ave
rage
Out
put T
orqu
e (N
m)
0
200
400
0 42 6 831 5 7Output Revolutions (Million)
CRD550 Life
600
800
1000
1200HGPLDDD
rive
Sta
tion
0
100
150
50
200
250
300
350
0 42 6 831 5 7
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)
CRD150 Life
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
MR
Driv
eS
tatio
n
Premium Gears
Non-Hardened GearsMR
0
100
200
300
400
500
0 42 6 8 10 12 14
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)16
CRD250 Life600
Ave
rage
Out
put T
orqu
e (N
m)
0
100
200
300
400
500
0 42 6 8 10 12Output Revolutions (Million)
CRD350 Life
600
700
800
Ave
rage
Out
put T
orqu
e (N
m)
0
200
400
0 42 6 831 5 7Output Revolutions (Million)
CRD550 Life
600
800
1000
1200HGPLDDD
rive
Sta
tion
0
100
150
50
200
250
300
350
0 42 6 831 5 7
Ave
rage
Out
put T
orqu
e (N
m)
Output Revolutions (Million)
CRD150 Life
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
HGPLDDMR
Dri
ve S
tati
on
Premium Gears
Non-Hardened GearsMR
MR
Driv
eS
tatio
n
Premium Gears
Non-Hardened GearsMR
Page 21
21
CRD Accessories: Brake
Optional Holding BrakeNexen offers an optional holding brake that acts directly on the CRD driven output. (Available on CRD250, other sizes pending.) With spring engaged / air released braking action, the brake’s compact design does not increase the CRD footprint and maintains an open center. For brake E-Stop capabilities, contact Nexen.
Brake Specifications CRD250, BRAKE
Holding Torque Nm 800
Release Pressure psi 60
Brake Life Cycles 1 million
Brake Torsional Rigidity Nm / Radian 8.65 million
Note: Brake can be manually released by inserting screws into holes on its bottom side. Note: Brake is fully sealed and IP 65 rated.
Installed Inside CRDBrakeActuates Radially
to Hold on Output
CRD
CRD Optional Holding Brake Operation
CRD Accessories: Dial Plates
Optional Dial PlatesNexen offers customizable dial plates that precisely pilot on the output of Nexen Ring Drives. Contact Nexen to customize these plates for your application.
Standard Dial Plate Thickness
Standard Dial PlateOuter Diameter
550mm [21.65"]
900mm [35.43"]
1350mm [53.15"]
CRD150
19.05mm [0.75"]
967900 967901 N/A
CRD250 967903 967904 967905
CRD350 967906 967907 967908
CRD550 N/A 967909 967910
Contact Nexen to customize dial plate.Visit www.nexengroup.com
CommonCustomizations: Open Center Hole Patterns Pilots Cutouts Plate Diameter
Features shown shaded orange,are examples of customization.
*
Page 23
23
Product Descriptions ..................................................... 24 Specifications .................................................................. 24 Dimensional Drawing ...................................................... 25 Timing Diagrams ............................................................. 26 Load Diagrams ................................................................ 27 Bearing Drag Torque Calculations .............................. 30 Accessories: Dial Plates, Guarding ........................... 31
Precision Ring Drive (PRD): The PRD system offers all the great features of our other advanced RPS technology and opens up new design possibilities to next generation machines. PRD table is supported by a high capacity crossroller bearing rated for loads up to 1575 kN. Peak torque inputs at any time allows for indexing times up to 2x faster than the competition.
Page 24
24
PRD 400, 64:1, 19.00, 55.00, 110.00
Approximate Output Bolt Circle DiameterPrecision Ring Drive
Input/Output Ratio
Customer Motor Shaft DiameterCustomer Motor Shaft Length
Customer Motor Pilot Diameter
(All PRD's Have Premium Gears, and Planetary Gearboxes)
PRD Product Descriptions
PRD Specifications
Performance Specifications PRD400 PRD750 PRD1100 PRD1500
Maximum Velocity RPM 94 54 35 27
Positional Accuracy ±ArcSec 35 (1) 21 (1) 13 (1) 11 (1)
One Way Repeatability ±ArcSec 4.2 2.4 1.6 1.2
Max Backlash ArcSec 12 (1) 7 (1) 4 (1) 3 (1)
Max Acceleration Torque Nm 832 1430 2210 2860
Nominal Torque Nm 544 935 1445 1870
Gear/Pinion Ratio 6.4:1 11:1 17:1 22:1
Input to Output Ratio 25.6:1 (2) 44:1 (2) 68:1 (2) 88:1 (2)
Min Drag Torque (no load) (ULdrag) Nm 40 100 150 200
Output Inertia kgm2 1.39 8.83 48.97 112.95
Total Reflected Inertia to Gearbox Output kgm2 0.036 0.075 0.172 0.236
(1) Includes Gearbox Backlash(2) Assumes Planetary Gearbox Ratio of 4:1
Page 25
25
PRD400 PRD750 PRD1100 PRD1500
A Drive Station Envelope to Center Distance mm 363 543 770 970
C Minimum Outer Diameter mm 550 900 1350 1750
E Output Bolt Pattern Circle Diameter mm 396 750 1100 1500
F Base Mounting Hole Circle Diameter mm 500 870 1325 1715
G Ring Drive Pilot Diameter mm 460 770 1150 1525
I Inner Diameter mm 280 579 966 1330
P Dowel Pin Hole Circle For 6mm Pins mm 466 776 1156 1531
Q Minimum Depth to Dial Plate Pilot mm 0 18.5 18.5 18.5
R Maximum Depth to Dial Plate Pilot mm 7 24.5 24.5 24.5
PRD Dimensions
NOTE: Basic dimensions shown for selection purposes only and subject to change. Visit www.nexengroup.com for detailed drawings and CAD models before designing into your system. (All dimensions shown in mm.)
Gearbox Input configured to fit customer motor
ø118.0
90.5
Dial Plate not supplied with
system
6 mm dowel pin hole pattern for dial plate pilot (customer supplied)(Hole Circle Ø P)
Q
R
G
(112)
250.0
C
I ADial Plate Mounting Holes M12 x 1.75(Hole Circle Ø E)
Base Mounting Holesfor customer supplied M12 screws(Hole Circle Ø F)
19.05
min. thickness of customer supplied
dial plateDial Plate Mounting Bolts M12 x 1.75 (customer supplied)(Hole Circle Ø E)
Page 26
26
NOTE: Curves assume no external forces such as additional table support friction, cutting forces, etc.
PR
D40
0 Ti
min
g D
iag
ram
PR
D75
0 Ti
min
g D
iag
ram
PR
D11
00 T
imin
g D
iag
ram
PR
D15
00 T
imin
g D
iag
ram
0.5
1.0
1.5
2.0
2.5
3.0
0.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.02.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Tim
e (s
ec)
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.5
1.0
1.5
2.0
2.5
3.0
0.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.02.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Tim
e (s
ec)
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.5
1.0
1.5
2.0
2.5
3.0
0.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.02.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Tim
e (s
ec)
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.5
1.0
1.5
2.0
2.5
3.0
0.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.02.5
3.0
3.5
4.0
4.5
5.0
Tim
e (s
ec)
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Index (deg)0 30 60 90 120 150 180 210 240 270 300 330 360
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
Tim
e (s
ec)
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
10 kg•m2
50 kg•m2
100 kg•m2
250 kg•m2
500 kg•m2
PRD Timing Diagrams
Page 27
27
PRD Load Diagrams (Applied Load)
PR
D40
0 A
pp
lied
Lo
ad C
har
tP
RD
750
Ap
plie
d L
oad
Ch
art
PR
D11
00
Ap
plie
d L
oad
Ch
art
PR
D15
00A
pp
lied
Lo
ad C
har
t
0
5
10
15
20
25
30
0 50 100 150 200 250 300 350 400 450 500
0102030405060708090
0 100 200 300 400 500 600 700 800 900
0
20
40
60
80
100
120
140
160
0 200 400 600 800 1000 1200 1400
0
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800
AXIAL LOAD (kN)
AXIAL LOAD (kN)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
AXIAL LOAD (kN)
AXIAL LOAD (kN)
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
Dynamic Load Limit by Drag Torque
no load limit
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
CUSTOMER MACHINE FRAME
Precision Ring Drive
Moment Load
Axial Load
LOAD
0
5
10
15
20
25
30
0 50 100 150 200 250 300 350 400 450 500
0102030405060708090
0 100 200 300 400 500 600 700 800 900
0
20
40
60
80
100
120
140
160
0 200 400 600 800 1000 1200 1400
0
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800
AXIAL LOAD (kN)
AXIAL LOAD (kN)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
AXIAL LOAD (kN)
AXIAL LOAD (kN)
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
Dynamic Load Limit by Drag Torque
no load limit
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
0
5
10
15
20
25
30
0 50 100 150 200 250 300 350 400 450 500
0102030405060708090
0 100 200 300 400 500 600 700 800 900
0
20
40
60
80
100
120
140
160
0 200 400 600 800 1000 1200 1400
0
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800
AXIAL LOAD (kN)
AXIAL LOAD (kN)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
AXIAL LOAD (kN)
AXIAL LOAD (kN)
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
Dynamic Load Limit by Drag Torque
no load limit
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
0
5
10
15
20
25
30
0 50 100 150 200 250 300 350 400 450 500
0102030405060708090
0 100 200 300 400 500 600 700 800 900
0
20
40
60
80
100
120
140
160
0 200 400 600 800 1000 1200 1400
0
50
100
150
200
250
300
0 200 400 600 800 1000 1200 1400 1600 1800
AXIAL LOAD (kN)
AXIAL LOAD (kN)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
MO
ME
NT
LOA
D (
kNm
)M
OM
EN
T LO
AD
(kN
m)
AXIAL LOAD (kN)
AXIAL LOAD (kN)
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Static Load LimitBearing CapacityBolted Joint Capacity
Dynamic Load Limit by Drag Torque
Dynamic Load Limit by Drag Torque
no load limit
Dynamic Load Limit by Drag Torque
Static Load LimitBearing CapacityBolted Joint Capacity
All Applied Load Charts Assume PRD Base is Fully Supported by Machine Frame
Page 28
28
0 10 20 30 40 500
500
1000
1500
2000
0 5 10 15 20 25 30 350
500
1000
1500
2000
0 5 10 15 20 25 30 35 400
500
1000
1500
2000
0 5 10 15 20 25 30 35 400
500
1000
1500
2000
SUSPENDED AXIAL LOAD (kN) SUSPENDED AXIAL LOAD (kN)
SUSPENDED AXIAL LOAD (kN) SUSPENDED AXIAL LOAD (kN)
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
DIS
TAN
CE
FR
OM
CE
NTE
R (
mm
)
PRD Load Diagrams (Suspended Load)
PRD1100 Suspended Load Chart(upside-down orientation)
PRD1500 Suspended Load Chart(upside-down orientation)
PRD400 Suspended Load Chart(upside-down orientation)
PRD750 Suspended Load Chart(upside-down orientation)
CUSTOMER MACHINE FRAME
Precision Ring Drive
Distance from Center
LOADSuspended Axial Load
NOTE: The weight of the PRD is already factored into these charts.
NOTE: There are no "Dynamic Load Limits by Drag Torque" for Suspended Loads.
All Suspended Load Charts Assume PRD Base is Fully Supported by Machine Frame
Page 29
29
RADIAL LOAD (kN)
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
RADIAL LOAD (kN)
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
RADIAL LOAD (kN)
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
RADIAL LOAD (kN)
DIS
TAN
CE
FR
OM
MA
CH
INE
M
OU
NTI
NG
SU
RFA
CE
(m
m)
0 5 10 15 20 25 30 35 40 450
500
1000
1500
2000
0 5 10 15 20 25 30 35 40 45 500
500
1000
1500
2000
0 10 20 30 40 50 60 70 800
500
1000
1500
2000
0 10 20 30 40 50 60 70 80 90 1000
500
1000
1500
2000
PRD Load Diagrams (Radial Load)P
RD
400 Rad
ial Load
Ch
artP
RD
750 Rad
ial Load
Ch
artP
RD
1500 Rad
ial Load
Ch
artP
RD
1100 Rad
ial Load
Ch
art
NOTE: The weight of the PRD is alreadyfactored into charts.
CU
STO
ME
R M
AC
HIN
E F
RA
ME
Precision Ring Drive
Radial Load
Distance from Machine Frame
LOA
D
NOTE: There are no "Dynamic Load Limits by Drag Torque" for Radial Loads.
All Radial Load Charts Assume PRD Base is Fully Supported by Machine Frame
Page 30
30
PRD Bearing Drag Torque Calculations
STEP 1: GATHER APPLICATION DATABefore you begin calculations, there are several key measurements that you will need from your application in order to calculate drag torque. Collect the data and record it in the space provided.
Bearing Drag Torque varies based on the load placed on the bearing. Use the calculations below to find the Bearing Drag Torque for your application.
Measurements forBearing Calculations
Customer Data(record your values below) Sample Data
Unloaded Drag Torque of PRD (ULdrag) Nm 40 Nm
Maximum Dynamic Radial Load (FRmax) N 0 N
Maximum Dynamic Axial Load (FAmax) N 54,300 N
Maximum Dynamic Moment Load (Mmax) Nm 500 Nm
Note: The application's output torque (TmaxApp) applies a reaction force and moment to the bearing. Those forces create a negligible amount of drag and are therefore omitted from these calculations.
From PRD Specs
FAmax
FRmax
Mmax
TmaxApp
PRD Size Bearing Rotation Diameters (dp)
PRD400 0.352 mPRD750 0.700 m
PRD1100 1.050 mPRD1500 1.440 m
pRd total dRag toRque
NmTBD =
15.3 Mmax
dpTBD = ( + 3.75* * FAmax + 8.19 FRmax *(
(
(
((
dp * * 10 -3
15.3 TBD = ( + 3.75* * + 8.19 *(
(
(
((
* * 10 -3
ULdrag +
+
15.3 500 0.352
Sample: TBD = ( + 3.75 * * 54,300 + 8.19 0 *(
(
(
((
0.352 * * 10 -3 40 + = 119 Nm
STEP 2: DETERMINE TOTAL DRAG TORQUE
STEP 3: COMPLETE OUTPUT TORQUE CALCULATIONSRefer to the worksheet on Page 5 of Ring Drive Selection Process to calculate the Total Output Torque required for your application.
Page 31
31
PRD Accessories: Dial Plates
Standard Dial Plate Thickness
Standard Dial PlateOuter Diameter
550mm [21.65"]
900mm [35.43"]
1350mm [53.15"]
PRD400
19.05mm [0.75"]
967911 967912 967913
PRD750 N/A 967914 967915
PRD1100 N/A N/A 967916
PRD1500 N/A N/A N/A
Features shown shaded orange,are examples of customization.
*
PRD Accessories: Guarding Options
Guard Customization OptionsWhen sizing a dial plate for Precision Ring Drives, it is important to note that the outer diameter of the dial plate will necessitate use of different guarding options.Listed below is the maximum dial plate diameter that can used with the standard Full Guard. If a larger dial plate is desired, request a Partial Guard, or no Guard at all.
Maximum Dial PlateOuter Diameter for
Standard Guard
PRD400 550mm[21.65"]
PRD750 900mm[35.43"]
PRD1100 1350mm[53.15"]
PRD1500 1750mm[68.90"]
Partial Guard (Open Pinion)optional
No Guardoptional
Full GuardstandaRd
Contact Nexen to specify which guard is needed.Visit www.nexengroup.com
Optional Dial PlatesNexen offers customizable dial plates that precisely pilot on the output of Nexen Ring Drives. Contact Nexen to customize these plates for your application.
Contact Nexen to customize dial plate.Visit www.nexengroup.com
CommonCustomizations: Open Center Hole Patterns Pilots Cutouts Plate Diameter
Page 32
32
ISO 9001 Certified
Nexen has sales offices throughout the United States, Europe, Japan, and Australia.
www.nexengroup.com
In accordance with Nexen’s established policy of constant product improvement, the specifications contained in this document are subject to change without notice. Technical data listed in this document are based on the latest information available at the time of printing and are also subject to change without notice. For current information, please consult www.nexengroup.com or contact Nexen’s Technical Support Group at the location to the right.
Nexen Group, Inc.560 Oak Grove ParkwayVadnais Heights, MN 55127
(800) 843-7445Fax: (651) 286-1099www.nexengroup.com
©2018 Nexen Group, Inc. FORM NO. L-21603-E-0518
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