Torsion spring design calculation

Please fill in

Torsion spring material：

Average spiral diameter (pitch diameter) D：
mm

Wire diameter (wire diameter) d：
mm

Number of turns：
turns

angle (deg)：
degrees

Fixed side moment arm length (X1)：
mm

The length of the force arm on the side of force application (X2)：
mm

rotation angle (A1)：
degrees

rotation angle (A2)：
degrees

Note: Please carefully fill in the specific parameters of the spring you need, and then you can calculate the corresponding value of the spring. You can also refer to the spring diagram below.

圓柱螺旋扭簧示意圖

See the results

Spring material:

Longitudinal elastic coefficient (G)：
Kg/mm2

maximum stress (Smax)：
Pa

RA：

Na：

Spring coefficient (K)=
g.mm/deg

Total length after rotation (L)=
mm

inner diameter after rotation (Ds)=
mm

acting force (P1)=
g

acting force (P2)=
g

Torque (M1)=
g.mm

Torque (M2)=
g.mm

stress (S1)=
Kg/mm2

stress (S2)=
Kg/mm2

spring weight (M)=
g

*The above results are for reference only.

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