Common Mistakes in Torsion Spring Design – Video
Our brand-new Springtelligence video looks at the common mistakes made when designing a torsion spring. The four main spring design flaws which we look at and demonstrate in this video are:
– Incorrect direction of operation
– Inside diameter too small
– Body length too large
– Overstressing
It is also important to consider:
– The size of the mandrel over which the spring operates. The inside diameter of a torsion spring reduces during deflection; therefore, if insufficient space is allowed the spring may bind on the mandrel and break/deform.
– The size of the hole within which the spring operates. The outside diameter of a torsion spring expands during deflection as more wire feeds into the body of the spring during deflection; therefore, if there is insufficient space, the spring may bind within the space and break/deform.
– The lateral space available. As a torsion spring deflects, it increases in length and may fail if this growth cannot be accommodated in the application.
– The torques/forces and rotation required.
– The intended environment. This will affect the suitable material and and finish requirement (i.e. for corrosion protection).
– The maximum working deflection required.
– The frequency of operation.
– How and where the spring fits. This will determine type of ends required.
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