topic Re: Cam and Follower mechanism randomly gets stuck using barrel cam in Fusion Design, Validate & Document Forum

Cam and Follower mechanism randomly gets stuck using barrel cam

1076361 — Mon, 27 Apr 2026 16:58:46 GMT

I was building this cam and follower mechanism for a school project, and I wanted to add a barrel cam to introduce horizontal movement. At first I tried a normal hexagon cam and achieved proper movement with a slider joint and a tangent relationship. Then I tried to create the relationship for the barrel cam. I did the same thing, but instead of a vertical slider joint I made it move on the X-axis. Then I also added the tangent relationship. Whenever I try to move the cam, the first rotations go smoothly and work as expected. The problem is when I release the handle at a certain position the mechanism always gets stuck (the handle, cams, followers), and I have to use ctrl + b to reset everything back to its original position. I wanted to know why the mechanism was getting stuck, and any possible solutions. I have attached the file here. Any help would greatly be appreciated!

Re: Cam and Follower mechanism randomly gets stuck using barrel cam

TheCADWhisperer — Mon, 27 Apr 2026 19:31:32 GMT

@1076361

See this discussion. Your cylindrical cam is not modeled correctly.

Solved: I need help ASAP with making a cylindrical cam - Autodesk Community

Re: Cam and Follower mechanism randomly gets stuck using barrel cam

1076361 — Tue, 28 Apr 2026 01:05:19 GMT

@TheCADWhisperer Thank you so much! Your video helped me solve the issue!

Re: Cam and Follower mechanism randomly gets stuck using barrel cam

lauri_barnhart — Wed, 29 Apr 2026 20:12:23 GMT

Hi @1076361, thank you for your question.

Did the response provided by @TheCADWhisperer help answer your question?

If yes, feel free to click on the Accept Solution button.

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In case you still need help, please provide an update here so we can help you best moving forward.

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Lauri | Community Manager