I made a precision gearbox - with NO GEARS.

Опубликовано: 22 Сентябрь 2026
на канале: Not An Engineer

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If you want to build your own Cyloidal drive, let https://pcbway.com/g/RE6Nqt [aff] take care of the machining.

This was one heck of a project, but I made it in the end. A (nearly) zero-backlash 4th axis for my home made milling machine.

We've got merch! https://notanengineer.shop

If you want to follow the projects a little closer, head over to   / notanengineer  .

‪@InheritanceMachining‬ had to build a bigger box of shame because of me, go watch that NOW:    • How a machinist does woodworking...

Bambu Lab Store: (affiliate)
https://shareasale.com/r.cfm?b=228215...

Sources:

‪@HowToMechatronics‬What is Cycloidal Drive? Designing, 3D Printing and Testing    • What is Cycloidal Drive? Designing, 3D Pri...

‪@LeviJanssen‬Has a lot of great videos on cycloidal drives

‪@jamesbruton‬also has a lot of great videos on cycloidal drives

the best look inside a real cycloidal drive I could find: ‪@arduinoversusevil2025‬ (AvE) - BOLTR: SUMITOMO CYCLO GEARBOX | Zero Backlash!    • BOLTR: SUMITOMO CYCLO GEARBOX | Zero Backl...

Cycloidal Drive Parametric Equations - https://blogs.solidworks.com/teacher/...

Fusion Script I modified: https://capolight.wordpress.com/2018/...

My modified version for drawing epitrochoids: https://pastebin.com/05iDZssp

‪@ROBRENZ‬'s large bore laps:    • MAKING AND USING LARGE DIAMETER LAPS

Solid toolpost mount inspired by ‪@StefanGotteswinter‬