Lyman Filament Maker Calculations
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Torque
- The extruder motor has a 168 fold geardown. It has a 173 kg-cm torque! [1]
- 3000 N cm torque stepper - $60 - [2]. That is about 300 kg cm.
Stepper has over 2x performance to cost ratio
The torque of the Precious Plastic shredder is recommended at 70 rpm with a 1/4 hp or higher motor. Using the Motor Torque Calculator, that comes out to 2800 N cm.