Calculations and Screw Info Value Units
Pitch Diameter Inches
Major Diameter Inches
Minor Diameter Inches
Pitch Inches
Rotational Speed RPM
Critical Speed RPM
Number of Starts
Lead Angle °
Tangent of Lead Angle °
Maximum load to prevent column bending (s/s) lbs
Maximum load to prevent column bending (alloy) lbs
Inertial Torque lbs-inch
Efficiency with Coating
Efficiency without Coating
Torque to Move Load With Coating lbs-inch
Torque to Move Load Without Coating lbs-inch
Torque to Prevent Backdriving With Coating lbs-inch
Torque to Prevent Backdriving Without Coating lbs-inch
PV Pressure Velocity psi-fpm
Power watts