Tutorial 6: Cams: Flat, Barrel, Globoidal, 'Slot'

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Tutorial 6: Cams: Flat, Barrel, Globoidal, 'Slot'

Cams and Cam-Followers

Please do tutorials 1,2,3,5 before these tutorials.


In machines, in general terms, the motion of a Cam impart a motion to a Cam-Follower.is in continuous contact with a Cam-Profile to

Usually, the cam and cam-follower move. The cam usually has a simple motion and the cam-follower a more complex motion. However, it is also possible that the cam or the cam-follower is stationary.

Packaging Machine with Cams. Courtesy of Lareka NL

Example of cams in a protected enclosure with forced oil feed, typical of a packaging machine.


As you design cams, you may notice a difference between MechDesigner and other software. New users are often confused: 'Why does the model not yet include a cam?'. You will see that, in MechDesigner, you add the cam when your design is almost complete, and not when you start your design.

Objective of these Tutorials:

To learn how to Add 2D-Cam.

Add different cam types.

To improve your modeling skills.


Icon-Add2DCam 2D-Cams and 3D-Cams

6A: 2D-Cams – Rotating Cam & Circular Cam-Follower

6A2: 2D-Cam – Rotating Cam & Flat-faced Cam-Follower

6B: 2D-Cams – A Labelling Machine. A Design Study –  You need good motion design skills!

6C: 3D-Cams – Barrel and Globoidal Cams

6D: 2D-Cams – A Stationary Linear 2D-Cam

6E: 3D-Cams - Design of Cams for a Cycloidal Gear Reducer - YouTube Tutorial.

6F: Design of Cams for a Parallel-Indexer - YouTube Tutorial