Sheet4
hyd mtr slctModelDisplacementSpecific TorqueMax. SpeedMax.
PressureModelDisplacementSpecific TorqueMax. SpeedMax.
PressureModelDisplacementSpecific TorqueMax. SpeedMax.
PressureModelDisplacementSpecific TorqueMax. SpeedMax.
PressureTorque @206 barNHM (Intermot)Hyd. Motorcc/revNm/10
barrpmbarcc/revNm/10 barrpmbarcc/revNm/10 barrpmbarcc/revNm/10
barrpmbarKgmIY - Series (Ningbo)hyd. Transmission driveNHM 1-
637711.361500320IY2.5-
450430.052.69100250HMB01018827.92500241DRT-050049973.79500245155HMB
(Staffa)Hyd. MotorNHM 1- 809113.401250320IY2.5-
630645.079.00100250HMB03044265.68450293DRT-0750748110.92400245233DRT
/ JRTHyd. MotorNHM 1- 1009614.201000320IY2.5-
800830.5101.75100250HMB045740109.52400293DRT-10001005149.00360245313NHM
1- 11011316.761000320IY2.5-
10001050.5128.69100250HMB060983145.54300293DRT-12001206175.66330245369NHM
1- 12512518.551000250IY3-
700693.084.8890250HMB0801344198.60300293DRT-13501357198.51315245417NHM
1- 14013820.501000250IY3-
10001078.0132.0690250HMB1001639241.89250293DRT-15001507220.41300245463NHM
1- 16015923.501000200IY3-
12501250.0148.8890250HMB1252050306.77220293DRT-21002099307.05260245645NHM
1- 20019629.00800200IY3-
17501727.0211.6390250HMB1502470369.31220293DRT-32003203467.48205245982NHM
2- 10011316.761250320IY3-
20001908.5233.8890250HMB2003060460.72175293DRT-35003516512.231952451076NHM
2- 12513820.481250320IY3-
25002337.5286.4490250HMB2704310637.73125293*displacement at 100%NHM
2- 15015923.521000320IY3-
27502711.5332.2590250HMB3255310794.45100293NHM 2-
17518026.601000250IY4-
25002430.0304.5680250HMB40068001012.74120293NHM 2-
20020730.55800250IY4-
32503272.5410.1380250HMB50080001196.39100226NHM 2-
25023534.75630200IY4-
40003960.0496.9480250HMB700116001746.47100250NHM 2-
28027640.81500200IY4- 45004356.0545.9480250NHM 3-
17518126.801000320IY4- 55005428.5680.3880250NHM 3-
20020129.72800320IY5- 50005110.0640.4450250NHM 3-
22022232.76800320IY5- 65006580.0824.6950250NHM 3-
25025437.60630250IY5- 75007238.0907.1350250NHM 3-
30028942.80500250IY5-100009988.01251.8150250NHM 3-
35034050.00400250IY5-1100011038.51383.5050250NHM 3-
40038056.00350225IY6-1000010635.01332.8835250NHM 6-
40039758.76630320IY6-1250012565.01574.8135250NHM 6-
45045266.88630320IY6-1500015205.01905.6935250NHM 6-
50049172.55500250IY6-1700016725.52096.2530250NHM 6-
60059487.80500250IY7-1800017650.02212.1330250NHM 6-
700683101.0040020IY7-2000020060.02514.1930250NHM 6-
750754111.5632020IY7-2500024940.03125.8130250NHM 8-
60061791.28500320IY7-2750027434.03438.3830250NHM 8-
700710105.04400320NHM 8- 800810119.80400250NHM 8-
900889131.45350250NHM 8- 10001000147.88300200NHM 11-
700707104.48400320NHM 11- 800784115.96400320NHM 11-
900894132.24400320NHM 11- 1000981145.10320250NHM 11-
11001104163.25320250NHM 11- 12001234182.44320200NHM 11-
13001301192.44250200NHM 16- 14001413208.96400320NHM 16-
16001648243.70400250NHM 16- 18001815268.35350250NHM 16-
20002035300.89350225NHM 16- 24002267335.25250200NHM 31-
25002553377.52200320NHM 31- 28002683396.75200250NHM 31-
30003063452.85200250NHM 31- 31503218475.90160250NHM 31-
35003561526.50160250NHM 31- 40004153614.06160225NHM 31-
45004522668.63160200NHM 31- 50004828713.94160200NHM 70-
50004968731.30160250NHM 70- 54005452806.25160250NHM 70-
60005984884.85125250NHM 70- 63006540967.11125225NHM 70-
700071221053.06125200NHM100- 630067701001.05125250NHM100-
800082981227.05125250NHM100-
850088421307.50125225NHM100-1000099821476.06100200NHM160-12500133341971.6580250NHM160-16000160392371.7563200
Hyd_Pump GraphBack to CalculationHyd. Pump ModelOutput Flow @
1500 rpm (Lpm),6 barMax. Pressure (bar)
V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284Back
to CalculationHyd. Pump ModelOutput Flow @ 1500 rpm (Lpm),6 barMax.
Pressure (bar)
V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284
Back to CalculationHyd. Pump ModelOutput Flow @ 1500 rpm (Lpm),6
barMax. Pressure (bar)
V10-14.7175V10-29.4V10-314.2V10-418.9V10-523.6V20-628.4175V20-733.1V20-838.8V20-942.6V20-115220VQ-523.621020VQ-837.820VQ-115220VQ-1256.820VQ-1466.225VQ-1256.825VQ-1466.225VQ-1780.525VQ-2199.435VQ-2511835VQ-3014235VQ-3516535VQ-3818045VQ-4219917545VQ-5023645VQ-60284Back
to Calculation
davit crane calc
H y d r a u l i c W i n c h D a v I tWinch
SpecificationHydraulic PumpR a t e d P u l l16kNHyd. Pump
Type20VQ11at #3LayerFlow Out @ 1500 rpm/rated pressure46lpmSpeed at
1st Layer18m/minFlow output at rated speed/pressure45.69lpmRope
Diameter16mmEstimated work. press. in system165BarDrum
Diameter273mmFlow Output must be greater than 40,07 Lpm !!Estimat'd
Pr. must be greater than 149,66 bar !!Transmission
Ratio14.27Electric MotorSpeed of Main Shaft19.83rpmElectric Motor
Effeciency95%Bearing Effeciency92%Rated speed1490rpmOther
Mechanical Effeciency90%Power ( T . n / 9550 . Eff. )9.81KWMax.
Torque on motor (1.25xT)298.72NmPower ( Pr . Flow_rate / 600 . Eff
)13.23KWSpeed of Hydraulic Motor282.94rpmHydraulic MotorReal Speed
of Winch20.53m/minMotor TypeNHM (Intermot)Motor SpecNHM 2- 125Hyd.
Pump Selection & Performance
GraphicsDisplacement138.00cc/revSpecific Torque20.48Nm/10 barHyd.
Motor Effeciency95%Press. needed for hyd. motor149.65BarFlowrate
needed for hyd. Motor40.06lpm10.58USgpm
T I l t I n g M o m e n t & S l e w I n g
SWL x 1,25 (F)20.00kNWeight of Boom w/ attachments (W)29.00kNSWL
Radius (L0)6000.00mmCG Radius of W (L1)1000.00mmTrim Angle4.00oHeel
Angle3.00oResultant of Angle5.00oTilting Moment149.00kNMSlewing
torque12.98kNMReduction ratio5.36Slw drive torq. (1,15 T)2.42kNMslw
bearing= 011.40.800Z slewing (z1)118.00Z pinion (z2)22.00Slewing
speed1.00rpmSpeed on slw motor5.36rpmStored Power Slewing
Angle110.00oAccumulator Volume7661.81cc
Hydraulic Motor slewingMotor TypeIY - Series (Ningbo)Hyd. Pump
Selection & Performance GraphicsMotor SpecIY3-
2500Displacement2337.50cc/revSpecific Torque286.44Nm/10 barHyd.
Motor Effeciency95%Press. needed for hyd. motor86.70BarFlowrate
needed for hyd. Motor12.86lpm3.40USgpm