Torsion spring belongs to the spiral spring,
torsion spring can store and release energy or by torsion Angle of body static fixed axis rotation arm to a particular device.
This kind of spring is usually a dense body, but, spring coil between nodal distance in order to reduce friction.
They spin or rotate to generate resistance force.
According to the application requirements, design of the torsional spring handedness (
Clockwise or counterclockwise)
To determine the spring handedness.
spring constant: to k said, when spring is reverse, every increase 1 ° torsion Angle of load (
kgf /毫米)
spring constant formula (
Unit: KGF/mm)
: k=(
d E X ^ 4)
/ (
1167 X Dm X P N X R)
E = modulus of rigidity of wire: piano wire E = 21000, stainless steel wire E = 19400, phosphor bronze wire E = 11200, brass line E = 11200
d = wire diameter Do Di = ID = = OD = diameter bore diameter in Dm = MD = = Do -
D N = total number of ring R = load action lever p = 3.
1416
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