Torsion springs

Torsion springs

The following must be known for the calculation of torsion springs:

  • The desired torque (=force x arm) ( M).
  • The diameter of the spring is often related to the installation options. The centre of the middle line is used for the spring calculation ( Dm ).
  • The swing angle of the spring expressed in degrees (α ).

The spring constant ( c ) is the moment per degree swing angle.

c = M / α

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