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T072120500L
SPEC® Torsion Springs are coil springs that fit into rotary applications, unlike Compression Springs and Extension Springs which only operate in a linear direction. Torsion Springs are attached to two components. As they rotate around the central axis of the spring, they create a rotational force that returns the components to their original position.
Torsion Springs are usually placed on a mandrel, shaft, or support rod. The recommended mandrel sizes allow for the reduction of inside diameter as the spring is actuated. The springs must be deflected in the same direction as the coils are wound. Unwinding the spring reduces the maximum load. Standard parts are available with various initial leg positions.
Diagram / specifications section
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| A | Approximate Axial Width (in) | 0.552 |
| Θ | Deflection (°) | 120 |
| E | Leg Length (in) | 2 |
| OD | Outside Diameter (in) | 0.749 |
| M | Recommended Mandrel Diameter (in) | 0.545 |
| TP | Test Point (in) | 1 |
| T | Torque at Deflection (in lbf) | 7.11 |
| d | Wire Diameter (in) | 0.072 |
Item specifications
- Helix DirectionLeftHand
- Leg Position (°)120
- MaterialMusic Wire
- Material Chemistry/DimensionalASTM A228, AMS 5112
- Material TypeCarbon Steel
- Max. Operating Temperature (F)250
- Min. Operating Temperature (F)-40
- Weight (lb)0.01512
