Abstract

At high speed roller chain, rollers usually come into failure by repeated impact with sproket teeth. The authors have carried out many experiments on the fatigue strength of high speed roller chain, using the roller chain fatigue testing machine reported in the preceding paper in this journal. From the results of experiments, fatigue strength of rollers is obtained. Also many effects on the fatigue strength of rollers are cleared; that is, effect of thickness of cementation, effect of thickness of finishing, effect of pressure angle, effect of tensile load of chains, effect of tooth forms, effect of roller materials, etc.

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