Abstract
Many wire-rope manufacturers and machine designers are under the impression that
the significant stress in a wire rope t"s the tensile stress, or possibly the stress due to tension
and bending. This paper proves by mathematical analysis that by far the greatest
stress in a wire rope results from Hertz contact stresses at points of contact of wire-onwire,
and asserts that the umal mode of failure of a wire rope is f rettingjatigue initiated
ut mch points of contact. Design. relationships based on these concepts should be of
great value to designers who use wire rope.
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