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I love that! I have wanted to cut internal gears like that for some time now but Fusion 360 doesn't have a wizard like it does for external gearing. How did you draw or lay out the teeth?

David

 

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Thanks for the info, Phil. I missed the link in your OP the first time around but saw it tonight and read your description (well written!).

David

 

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...Mr CBeam is getting benched.

So what's coming to the shop to replace it? Start a new thread if you're doing a build. Lots of photos, please! :grin:

David

 

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It's been a year or more since I looked for a way to cut internal or planetary gears in Fusion 360 so I checked the app store again today and found a few out there. I downloaded the free FM Gears and will see how it does. There are a few that are $20 so if FM Gears doesn't do what I want then $20 is a small price to pay.

David

 

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Like this one? 30 teeth, 12 inch od, 10 inch pitch diameter -

David

 

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Here ya' go -

David