Singer 760 Sewing Machine Cam Stack Driving Gear
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A reproduction of a cam stack driving gear, model with notches to fit into the plastic cam stack.
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- Printables
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- Mechanical Parts
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- Creative Commons — Attribution — Noncommercial — Share Alike
A reproduction of a cam stack driving gear, made for a Singer 760 that needed a replacement of the original one which was cracked. This model has two notches to fit into the bottom of the plastic cam stack as shown in the pictures.
I would recommend printing it from PETG, with 100% infill.
If the gear printed from your printer is not a good fit, you can adjust the module of the gear in InvoluteGear step, either lower or higher to achieve a snug fit, using FreeCAD (version 1.0.0) with the FCGear Workbench plugin.
I used silicon grease between the worm gear and the printed gear.