Spiral springs or constant coil springs are springs that are made from a rectangular strip of material that has been wound flat around itself. These springs have either special retaining holes or bends on both ends allowing them to attach or anchor into place. Then when a force is applied to pull or extend the free end of the spring, the spring will act similar to an extension spring. The torque-deflection characteristic of a spiral spring is generally non-linear. This condition is caused by the friction between the coils and the varying amount of material that becomes active as the spring is deflected.

The Measurement Of The Flat Coil Springs

Please offer me the following information:

1.The material 

2. The inner diameter

3. The outer diameter

4. The band width

5. The thickness of the band

6. The total length of the strip

Botou City YongChuang Spring Manufacturing Co., Ltd. 

It is a Manufacturer of springs and plastic product. Its main products include torsion spring, compression spring, extension spring, scroll spring, shaped spring,
wire forming, tubing clamp, pipeclamp, double wire card hoop and curtain hook,Jacket spring,hand type pipe cleaner and cucumber hanging clips,etc.