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Torsion spring winding tools?

Torsion spring winding tools?

Torsion spring winding tools?

(OP)
I’m on a quest to safely wind a torsion spring.  My search has turned up something called the EZ-Set torsion spring system; however, I would like other possible ideas.  I believe the EZ-Set torsion spring system will not work with the spring I’m looking to torque.  The spring that needs torque has a 3.75-in ID and will need a max torque of 963 in-lbf.  

My first thoughts were to a ratchet system or a worm gear system similar to the EZ-Set system.  However, I cannot think of a mechanical device that will be easily attached to a 3.75-in drum or something that does not take up more than 5-in round.  If you have seen or heard of anything please let me know.

Thank you,

Jeramie

Cooperjer
Mechanical Engineer

RE: Torsion spring winding tools?

Why not use a spring manufacturer? They have all the facilities to coil the springs.

RE: Torsion spring winding tools?

He's not coiling it.  He's preloading it.

-b

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