Jul 2, 2009

Trapezoidal Lead Screw Torque Calculator – Metric – DIN 103

Download Lead Screw Calculator Metric DIN 103

This calculator is designed to calculate torque required to raise the load and torque required to lower the load for Metric Trapezoidal Lead Screw according to  DIN 103 standard. This calculator also can be used to check the self locking capability of lead screws by referring the load lowering torque.

Formula for torque to raise the load,


Formula for torque to lower the load,


The calculator has been verified by solving some text book problems.

Click Here To Download This Excel Calculator



  • Shigley’s Mechanical Engineering Design
  • Machinery's Handbook 27th Edition

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