Bead belt gear, clamping
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This is a beaded belt gear for 4.5mm chain that clamps onto a 5mm NEMA17 motor shaft.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- GNU General Public License v2.0
This is a beaded belt gear for 4.5mm chain that clamps onto a 5mm NEMA17 motor shaft using an ordinary hose clamp. It's designed to use a flat on the motor's shaft, but you can change that in the source files provided to fit just about anything.
Instructions
Print, clean up, file a flat on the motor's shaft if necessary. Fit the hose clamp loosely over the collet. Put the thickest quadrant of the collet over the flat on the shaft, and push the gear onto the shaft - the hole tapers. When it's at the right level, just do up the hose clamp. The gear will be held in place quite securely.
In PLA the hose clamp may crush the collar, or may simply foul on the surroundings. In that case, just epoxy it onto the drive shaft.