Shredder Drive

Calculations

• Largest force comparison- 15,000 in lb or 173 kg m.

First Order Shaft Torque Calculations

• 1" shafts made of mild steel would break at 3000 ft lb of torque (ref?)
• Minimum torque requirement 200 ft lb, or 28 kg m. Precious Plastic Shredder calls for 3 kg m from Lyman_Filament_Maker_Calculations#More

Motor Torque

• Motor Torque Calculator says about 10 Nm for 3000 rpm with 3kW drive as in Treadmill Motor. Take about 1 kg m torque. Compare to 173 kg m for strongest torque relevant to tractor drive as in .

15000 In Lb Motors

Geardown

• Plastic/Metal Planetary Gearbox ?

Internal Links

• Precious Plastic Shredder
• Open Source Shredder