Wahl factor
Categoria: Forze e prestazioni
A coefficient that corrects for the stress concentration on the inner face of the coil, where the wire is most loaded.
It depends on the spring index: Kw = (4C − 1)/(4C − 4) + 0.615/C. The lower the index, the higher the Wahl factor and the higher the real stress on the inner side of the wire.
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