Tips & Tricks: Working with Mechanisms




Sometimes you need lengthy explanations and demos to learn how to do something new with your CAD design software. Other times, you just need a sentence or two to realize something’s possible.

This post covers some of those one-sentence tips and tricks. Most of these are dead easy to do—but only if you know about them first!

Here’s some advice for working with mechanisms:

To simulate part interaction without Mechanism Contacts (cams, gears, 3D contact), use advanced Collision Detection settings. Take a look at this for more thorough instructions.



To constrain motion while still permitting various degrees of freedom, use connection sets. Each type of connection set has a specific combination of Total Degrees of Freedom, Rotation, and Translation.



To define conditions for servo motors that move the assembly, select an Analysis type …

  • Position: Verifies the validity of the mechanism based on defined motors.
  • Kinematic: Used to analyze the motion of bodies as a result of defined motor profiles.
  • Dynamic: Incorporate forces to analyze reactions at connections (for example, the Normal load on a pin due to gravity and Mass Properties).


To get dynamic information on a component as a result of the analysis definition (speed, position, acceleration, etc.), create a Measure. You can also use previously defined analyses to get measurement graphs and values.



These short Tips & Tricks come from the PTC Community and our experts in the Training Services group. Visit the PTC Community’s Creo page to talk to others about Creo, get inspiration, and find more tips, tricks, and fast facts for Creo.