August 8, 2007 11:55 PM Subscribe
design and calcs of a helical torsion spring - how do i calculate the effect small design and production changes will have on the spring constant?
posted by edtut to Science & Nature (9 answers total) 2 users marked this as a favorite
i am trying to do some simple calcs on a small helical spring.it is a simple 3 coil spring in a light application with in-frequent cycles. it's coil size is around 22mm and wire diameter is around 1.25mm. the input force is onyl around 22N at a moment arm of 15mm.
the spring is used to resist or assist movement between two small actuating plastic levers.
i want to calculate the difference in the spring rate for a smaller wire diameter (1.2 or 1.0) and if i went to 2 winds instead of 3.
can anyone help with where i would start with the calcs, or send me to some freewear that might help me?
sorry for such a boring question!