Torsion springs
A torsion spring resists rotation. Its two legs apply torque around the spring axis to bring a part back to its position. We form the legs to your drawing.


Specifications
What we need to know
Give the values you know. A drawing, a photo or the target quantity helps us fill in the rest.
- dWire diameter
- DeOutside diameter
- DaShaft diameter
- DlHousing diameter
- NTotal coils
- nActive coils
- pPitch
- LBody length
- Lb1Length of leg 1
- Lb2Length of leg 2
- A0Free angle
- A1Angle at position 1
- C1Torque at position 1
- A2Angle at position 2
- C2Torque at position 2
Also give the material, the finish, the winding direction and the use (static or dynamic).
Fill in the request onlineExamples
Parts made by Foster
A spring to replace or a part to develop?
Send your drawing or a photo, or call us at 450 372-0812.