<< Click to Display Table of Contents >> Navigation: Getting Started Tutorials - MechDesigner > Tutorial 14: Gear-Pairs / Rack-Pinions > Before and After: Graphic-Area & Kinematics-Tree |
Summary
Add Gear-Pair removes one degree-of-freedom from a rotating-Part.
Before you do Add Gear-Pair •A rotating Green Part •A freely, rotating Blue Part •A Green Line that joins, with Pin-Joints at its start-Point and its end-Point, the Green Part and the Blue Part |
After you do Add Gear-Pair •One Green Part that is the Driving Gear •One Green Part that is the Driven Gear - this is the Geared-Rocker in the Kinematics-Tree. •One Green Part that joins the two Gears. |
![]() Basic Preparation for Add Gear-Pair |
Before Add Gear-Pair.
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After Add Gear-Pair
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Notes Part Lines can be CAD-Lines |
![]() Kinematics-Tree |
Kinematics-Tree before Add Gear-Pair The Kinematic-Chain has two assemblies
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![]() Kinematics-Tree |
Kinematics-Tree after Add Gear-Pair The Kinematic-Chain now has two Solved Kinematic-Sub-Assemblies:
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Use Add Gear-Pair for different gear arrangements.
A)Two gears, with fixed centers
B)One gear orbits around a gear with a fixed center.
Use the same command for each gear arrangement.
We can use the Gear-Pair dialog to get these different gear-arrangements.
Mesh: External |
Mesh: Internal |
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Step Down: # Teeth Gear 1 < Gear 2 |
Step Up: # Teeth Gear 1 > Gear 2 |
Step Up: # Teeth Gear 1 > Gear2 |
Step Down: # Teeth Gear 1 < Gear2 |
Click to play each video |
Mesh: External |
Mesh: Internal |
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# Teeth: Gear 1 < Gear 2 |
# Teeth: Gear 1 > Gear 2 |
# Teeth: Gear 1 > Gear2 |
# Teeth: Gear 1 < Gear2 |
Fixed Gear is smaller and internal to Orbiting Gear |