Description Formula symbol tension springs Before interpreting the extension spring it must be clarified whether the intended type of stress is a static or a dynamic stress acts. No general fatigue strength values can be given for dynamic loads on
Eyelet shapes extension springs
Here is an overview of the different eyelet shapes for Extension springs after DIN EN 13906-2: 2013 with the respective loop properties. Extension springs should only be subjected to static loads. If higher loads are planned, bent eyelets should be