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Bolt Torque Calculations:

script tbd

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torquecalcs.m

How to use:

  • Input the following parameters into the Matlab script
    • Tensile stress for bolt
    • Bolt nominal diameter
  • Running the script will output torque spec in lbf-in

  • Important Notes
    • This scripts assumes using slight lubricant for bolts (affects nut factor K)
    • Using a dry torque value on a lubricated bolt can exceed tensile strength

Changelog

4/16/23 Updated boltcalcs.m to consider multiple rows of bolts - LW
5/05/23 Added torquecalcs.m to help determine torque spec - LW