How far can my extension spring travel?

You should preferably keep travel under 60% of Ln.

We recommend that you only use approx. 60% of the theoretical maximum travel for a long and optimal service life for your extension spring.

Therefore it is recommended that you do not use more than 60% of the theoretical load Fn. Following this recommendation will give you a long service life for your extension spring.


When an extension spring is pulled, the travel must always take place effortlessly in an axial direction. The body and loops of the extension spring must not catch, hit or rub against other objects during movement. 


 Button Traek _UK   Button FAQ_UK 



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