TORSION SPRINGS

MATERIAL
Music wire to UNI EN 10270.1 – SH
Stainless steel wire to UNI EN 10270.3 – NS (1.4310)

WINDING
Right or left hand with linking turns without pitch

ENDS
Straight arms with an angle of 180°

TOLERANCES
All dimensions and forces to DIN 2194 (Grado 2)

SURFACE FINISH
Oiled only for carbon steel springs

 

 TORSION SPRINGS CATALOG

 

Item Code:
d = wire diameter
De = external diameter
Di = internal diameter
Dm = average winding diameter (Di+d)
Lo = lenght of spring body (n+1)d
n = number of turns
α° = angle rotation applied in degrees
M = movement outcome M = (RxF)
R = lever
F = force in N
A = length of arms
1 Newton 0,10197 Kg.

The force produced by a torsion spring is defined a "Moment" and is measured in Nmm.
It corresponds to a force multiplied by the lever that is the distance between the winding center of the turns and the application point on the arm.
For rotations in winding directions, the internal diameter of the spring is reduced.

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