Steel 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.


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.