The Follower is designed to slide through a portion of the Guide component. However, to hold the Follower Roller against the Cam, we must specify a spring between the Follower and Guide components. Dynamic Simulation offers a joint for doing that and more - the Spring/Damper/Jack joint.
Depending on the joint type, the dialog box provides applicable inputs to help define the joint.
- Click the Insert Joint command and in the dialog box, select Spring / Damper / Jack from the drop-down list of joint types. The Component 1 selector is active.
- On the Guide component, select the hole profile where the Follower passes through the Guide.This creates one contact for the spring.
- Select the edge profile where the spring will contact the follower.
- Click OK.
The result is a spring joint in the browser and a graphic representation of a spring. The representation is deformable and has action-reaction forces, but does not have mass.
- In the browser Force Joints folder, right-click the Spring joint, and click Properties.
- In the main section of the dialog box:
- Set Stiffness to 2.500 N/mm.
- Set Free Length to 42 mm.
Expand the dialog box and set:
- Set Radius to 5.2 mm.
- Set Turns to 10.
- Set Wire Radius to 0.800 mm.
- Click OK. The spring properties and graphical display update.
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