Zinc Plated Torsion Spring

Zinc Plated Torsion Spring

White Zinc Plated Butterfly Torsion Spring for Door Closer

Product Details

 White Zinc Plated Butterfly Torsion Spring for Door Closer

 Finish

 blacking, zinc/nickel/chrome/silver/gold plating/powder coated,

 spraying coated,  electrophoresis, Ect.

 Certification ISO 9001, SGS, IATF16949, ROHS
 Quality Grade Optimal
 Application Electronic producats, Children toys, Baby carriage, Bicycle,  Kitchen  appliances, Cameras, Printers, Office equipment,  Precision  equipment and various kinds of vehicles
 Packaging of spring PE bags, Cartons, Pallets
 Load Type Compression, Torsion, Extension 
 Lead Time Winthin 20 working days
 Warranty period One year
 Notes

 1. Please offer us your spring spec,we can make spring based on  your requirements.

 2. Discount offered if with large order quantity.

A torsion spring is a spring that works by torsion or twisting.

It is a flexible elastic object that stores mechanical energy when it is twisted. When it is twisted, it exerts a force (actually torque) in the opposite direction, proportional to the amount (angle) it is twisted. 


Two Types Torsion Springs

A torsion bar is a straight bar of metal or rubber that is subjected to twisting (shear stress) about its axis by torque applied at its ends. A more delicate form used in sensitive instruments, called a torsion fiber consists of a fiber of silk, glass, or quartz under tension, that is twisted about its axis. The other type, a helical torsion spring, is a metal rod or wire in the shape of a helix (coil) that is subjected to twisting about the axis of the coil by sideways forces (bending moments) applied to its ends, twisting the coil tighter. 


This terminology can be confusing because in a helical torsion spring the forces acting on the wire are actually bending stresses, not torsional (shear) stresses.

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