Don Stanley wrote: > - Stepper Motors are 4000 inch pound torque direct coupled to the > ball screws and knee lift shaft. > Are you sure of this number? That's 333 Foot-Pounds of torque, not bad for a V8 car engine. Assuming a 5 TPI ballscrew, you'd get 126000 pounds of linear force on the table. This would take a stout ballscrew to survive.
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