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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-1
Simples Machines
Incline Plane A. Save As.Step 1. If necessary, open your Wheels
and Axle Assembly file.
Step 2. Click File Menu > Save As.
Step 3. Key-in INCLINE PLANE for the filename and press
ENTER.
B. Delete Track 6.Step 1. Click Model tab at the bottom left
of the drawing area.
Step 2. Delete Track 6, Fig. 1 and Fig. 2. To delete, click
Track 6 in drawing area and press Delete key.
C. Mate: Wheels, Body and Track 15.
Step 1. Click Mate on the Assembly toolbar.
Step 2. Click cylindrical face of front Wheel and top face of
Track 15, Fig. 2.
Step 3. Click Add/Finish Mate in Mate pop-up toolbar to add a
Tangent mate.
Step 4. Click cylindrical face of rear Wheel and top face of
Track 15, Fig. 3.
Step 5. Click Add/Finish Mate in Mate pop-up toolbar to add a
Tangent mate.
Step 6. Rotate view to view rear face of Truck Body as shown in
Fig. 4. To rotate, hold down middle mouse button (wheel) and
drag.
Step 7. Click rear face of Truck Body (tail gate) and rear face
of Track 6, Fig. 4.
Step 8. Click Add/Finish Mate in Mate pop-up toolbar to add a
Coincident mate.
Step 9. Click Isometric on the View toolbar. (Ctrl-7)
Chapter 8
1/13/12
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Delete
Cudacountry.net Tech Edhttp://www.cudacountry.net
email:[email protected]
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-2
Step 10. Click OK in the Property Manager.
Step 11. Save. Use Ctrl-S.
D. Insert Track Parts.
Step 1. Click Insert Components on the Assembly toolbar.
Step 2. Click Keep Visible in the Property Manager.
Step 3. Click Browse in the Property Manager.
Step 4. Select your TRACK 6 file and click Open.
Step 5. Place Track 6 as positioned in Fig. 5. Browse and insert
TRACK 36. Use the Z key to zoom out. Click OK in the Property
Manager when done.
E. Mate: Tracks.
Step 1. Click Mate on the Assembly toolbar.
Step 2. Click side face of Track 15 and side face of Track 6,
Fig. 6.
Step 3. Click Add/Finish Mate in Mate pop-up toolbar to add a
Coincident mate.
Step 4. Click top front edge of Track 15 and top rear edge of
Track 6, Fig. 7.
Step 5. Click Add/Finish Mate in Mate pop-up toolbar to add a
Coincident mate.
Fig. 5
Fig. 6
Fig. 7
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-3
Step 6. Click top face of Track 15 and top face of Track 6, Fig.
8.
Step 7. Click Angle in Mate pop-up, Fig. 9. Set angle to 25 and
press ENTER. Track 6 should angle up in the front, Fig. 10. If
positioned in opposite direction,
click Flip Dimension in the Mate pop-up, Fig. 9. Click
Add/Fin-
ish Mate to add the Angle mate.
Step 8. Click side face of Track 15 and side face of Track 36,
Fig. 10.
Step 9. Click Add/Finish Mate in Mate pop-up toolbar to add a
Coincident mate.
Step 10. Click top face of Track 15 and top face of Track 36,
Fig. 11.
Step 11. Click Add/Finish Mate in Mate pop-up toolbar to add a
Coincident mate.
Fig. 8
Fig. 9
Fig. 10
Fig. 11
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-4
Step 12. Click rear vertical edge of Track 36 and front vertical
edge of Track 15, Fig. 12.
Step 13. Click Distance in Mate pop-up, Fig. 13. Set distance to
12 and press ENTER. The Track 36 should extent out 12 from Track
15, Fig. 16. If positioned in opposite direction, click Flip
Dimension
in the Mate pop-up, Fig. 13.
Click Add/Finish Mate to add Distance mate.
Step 14. Click OK in the Property Man-ager when done.
Step 15. Save. Use Ctrl-S.
F. Contact.Step 1. Click Motion Study 1 tab at the bottom left
of the
drawing area.
Step 2. Click Yes to update affected Keys.
Step 3. Double click Solid Body Con-tact 1 Key Point at Time = 0
in the Motion Manager Time-line, Fig. 14.
Step 4. In the Property Manager set: expand Selections, Fig. 15
click in the Track group box and click new Tracks, Track 6 and
Track 36, Fig. 16 uncheck Material, Fig. 15 under Friction
Dynamic Friction Velocity to .4
Dynamic Friction Coefficient to .8
uncheck Static Friction click OK .
Fig. 12
Fig. 13
Fig. 16
Fig. 15Fig. 14
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-5
G. Add Motor.Step 1. Click Motor on the Motion Manager toolbar,
Fig. 21.
Step 2. In the Motor Property Manager set: under Motor Type,
Fig. 17 select Rotary Motor
under Component/Direction for Motor Location click the
cylindrical face of rear Wheel, Fig. 18 for Motor Direction Motor
direction arrow should point CCW , Fig. 18. If arrow is pointing in
wrong direction, click Reverse
Direction , Fig. 17. click in Component to Move Relative to box,
Fig. 17 click Track 15, Fig. 18 set RPM to 500 and click OK .
H. Change View.Step 1. Change view for the Motion Study. We will
first
disable View Key, rotate view, then enable View
Key. To change view, right click Orientation and Camera Views in
the Motion Manager design tree and click Disable View Key Creation,
Fig. 19.
Step 2. Click Right on the Standard Views toolbar (Ctrl-4) and
down arrow key on key-board to rotate view, Fig. 20. Use Shift-Z
until assembly zooms to fit on screen.
Step 3. Right click Orientation and Camera Views in the Motion
Manag-er design tree and click Disable View Key Creation, Fig.
21.
Fig. 20
Fig. 18
Fig. 17
Direction arrow CCW
Move Relative
To
Motor location
Fig. 19
Fig. 21
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-6
I. Suppress Mates.
Step 1. Click Zoom in in lower right corner of the Motion
Manag-er to increase the Time Bar with finer time increments, Fig.
22.
Step 2. Set the Motion Study duration to 1.5 seconds on the
Timeline. To change duration, in the top Timeline drag the Key at 1
seconds to 1.5 seconds, Fig. 23.
Step 3. Expand TRUCK ASSEMBLY in the Motion Manager design tree
and expand Mates in WHEELS AND AXLE ASSEMBLY, Fig. 23.
Step 4. Suppress the 3 Mates that are not Suppressed. To
suppress the Mates, click the first Mate, then hold down the Shift
key and click the last Mate. Release the Shift key, right
click and click Suppress from the menu, Fig. 23.
Step 5. Save. Use Ctrl-S.
J. Calculate and Play.
Step 1. Click Calculate and Play from Start on the Motion
Manager toolbar.
Step 2. Click Play from Start on the Motion Manager toolbar,
Fig. 24.
Fig. 22
Fig. 23
Fig. 24
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-7
K. Motor 7000 rpm at T = .3.Step 1. Set Time Bar to .3 seconds.
To set Time Bar, drag the Time Bar, the gray vertical line to
.3
in the Timeline, Fig. 25.
Step 2. Right click the RotaryMotor1 Timeline at Time = .3 and
click Place Key in menu, Fig. 25.
Step 3. Double click new Key Point at Time = .3 in the
RotaryMotor1 Timeline, Fig. 26.
Step 4. In the Motor Property Manager set: Speed RPM to 7000
Fig. 27
click OK .
Step 5. Click Calculate and Play from Start on the Motion
Man-ager toolbar, Fig. 28.
Fig. 25
Fig. 26
Fig. 27
Fig. 28
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-8
L. Mate Center Planes.Step 1. Set Time Bar to Time = 0. To set
Time Bar, drag
the Time Bar, the gray vertical line to 0 in the Time-line.
Step 2. Click Model tab at the bottom left of the Motion Manager
Timeline.
Step 3. Click Right Plane in the Feature Manager and
click Mate from the Content toolbar, Fig. 29.
Step 4. Expand the Design Tree, Fig. 30.
Step 5. Expand TRUCK ASSEMBLY and click Right Plane, Fig.
30.
Step 6. Click Add/Finish Mate
in Mate pop-up toolbar to add a Coincident mate.
Step 7. Click OK in the Property Manager.
Step 8. Click Motion Study 1 tab at the bottom left of the
drawing area.
Step 9. Click Calculate and Play from Start on the Motion
Manager toolbar, Fig. 32.
Step 10. Save. Use Ctrl-S.
Fig. 29
Fig. 30
Fig. 31
Fig. 32
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-9
M. Slow Motor and Turn Off Motor to Brake.Step 1. Next, turn off
the Motor once the Truck leaves the launch ramp so Wheels coast
when
Truck lands. To Turn off Motor, drag Time Bar to where Truck
leaves ramp, around T = .6, Fig. 33.
Step 2. Right click the RotaryMotor1 Timeline at T = .6 and
click Off in menu, Fig. 33.
Step 3. After the Truck lands, turn Motor on and slow Motor to
500 RPM. To turn on and slow Motor, drag Time Bar to T = .8, right
click the RotaryMotor1 Timeline at T = .8 and click On in menu,
Fig. 34.
Step 4. Double click new Key Point at T = .8 in the RotaryMotor1
Timeline, Fig. 35.
Fig. 33
Fig. 34
Fig. 35
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-10
Step 5. In the Motor Property Manager set: Speed RPM to 500 Fig.
36 click OK .
Step 6. Place new Key Point on RotaryMotor1 Timeline T = 1 and
double click new Key Point, Fig. 37.
Step 7. In the Motor Property Manager set: Speed RPM to 0, Fig.
38 and click OK . At 0 RPM's the Motor will act as brake.
Step 8. Click Calculate and Play from Start on the Motion
Man-ager toolbar, Fig. 39.
Step 9. Summary of Key Points and RPMs shown in Fig. 40.
Fig. 36
Fig. 37
Fig. 38
Fig. 39
Fig. 40
T = 0 500 RPM
T = .3 7000 RPM
T = .6 7000 RPM OFF
T = .8 500 RPM ON
T = 1 0
RPM
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-11
N. Results and Plots.Step 1. Rotate the view to view the
cylindrical face of front Wheel, Use
down arrow key on keyboard on time to rotate view, Fig. 42.
Step 2. Click Results and Plots on the Motion Manager
toolbar.
Step 3. In the Property Manager set: under Result, Fig. 41
Category to Forces Sub Category to Contact Force Result Component
to Magnitude
for Feature cylindrical face of front Wheel and top face of
Track 36, Fig. 42
click OK .
Step 4. What's the Force?
Step 5. Save. Use Ctrl-S.
O. Add Ramp Angle 25 Plot to Word Document.Step 1. Right click
the
Plot2 and click Copy Clip-board, Fig. 43.
Step 2. Open up your Word file from Chapter 7.
Step 3. Key-in: Ramp Angle 25 degrees Force Front Wheel Contacts
Track 36into Word document, Fig. 44.
Step 4. Paste (Ctrl-V) Plot1 into Word document, Fig. 44.
Step 5. Switch back to SolidWorks.
Fig. 41Components
having contact
Fig. 42
Fig. 43
Fig. 44
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-12
P. Change Ramp Angle.Step 1. Rewind Motion Study to T = 0.
Step 2. Expand TRACK 6 and expand Mates in INCLINE PLANE in
Motion Manager design tree, Fig. 45.
Step 3. Double click Angle1 Mate, Fig. 45
Step 4. Change Angle to 15 in the Modify dialog box and click OK
, Fig. 46.
Step 5. Click Calculate and Play from Start on the Motion
Man-ager toolbar.
Fig. 45
Fig. 46
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-13
Step 6. We need to slow motor earlier in Timeline. Change Key
Point at T = .8 to .71 in the RotaryMotor1 Timeline. You can drag
the Key Point or right click Key Point at T = .8 and click Edit Key
Point Time, Fig. 47.
Step 7. Change Time to .71 in the Edit Time dialog box and click
OK , Fig. 48.
Step 8. Click Calculate and Play from Start on the Motion
Man-ager toolbar, Fig. 49.
Step 9. What's the Force?
Fig. 47
Fig. 48
Fig. 49
Fig. 50
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SolidWorkS 12 iNCliNE PlANE SiMPlE MACHiNES PAgE 8-14
Q. Add Ramp Angle 15 Plot to Word Document.Step 1. Right click
the
Plot4 and click Copy Clip-board, Fig. 51.
Step 2. Switch to your Word document (Alt-Tab).
Step 3. Key-in: Ramp Angle 15 degrees Force Front Wheel Contacts
Track 36into Word document, Fig. 52.
Step 4. Paste (Ctrl-V) Plot1 into Word document, Fig. 52.
Step 5. Switch back to SolidWorks (Alt-Tab).
Step 6. Save. Use Ctrl-S.
Fig. 51
Fig. 52