Torsion Spring Static Operating Stress: Cyclic Applications

  • Torsion Spring Design Resources – Spring Performance

Recommended maximum operating stresses for torsion spring cyclic applications are often given as a percentage of tensile strength. Frequently, bending stresses are higher in the ends than in the body. In this situation, bear in mind that during forming of sharp bends, the wire may be stretched or marked, resulting in stress concentrations that reduce design stress levels below those recommended. Because of friction, the point of contact between torsion end and arbor is often the highest stressed area.

Customers should contact Newcomb Spring to review maximum allowed operating stresses and design considerations for cyclic applications.

Content Copyright Spring Manufacturers Institute, Inc.

This information is attributed to, and provided courtesy of, the Spring Manufacturers Institute, Inc. (SMI). Newcomb Spring and SMI provide this as advisory information only, and disclaim any and all liability of any kind for the use, application or adaption of material published on this web site.

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