Dynamical Study On Running Belt

FUJINO Kiyohisa, AMIJIMA Sadao

doi:10.2472/jsms1952.7.317

This paper deals with theoretical cosiderations of dynamics on the special wide V belt when running. There are very few papers reported in the literatures, especially theoretical ones. Therefore it is not useless to study the dynamics theoretically. This paper consists of two treatments. One is the study on vibration taking place on the running belt, and the other is on the stability of running belt.<BR>1. Firstly the shape of vibrations which occur on the running belts has been examined to clarify the most harmful form of the wave in order to prevent the damage, and it found that the most easiest and effective method to prevent the harm is to change its tension a little to guard against the resonace of belt caused by outer forces.<BR>2. Among V betls used in the variable speed mechanism, there are special belts having a wide breadth than ordinary one. Employing these belts, we sometimes encountered with happenings which seemed to have been caused by the buckling where the belt ran into a pair of sheaves. The reason of it can be explained as follows: The buckling force is occured when the side pressure of belt comes unevenly to the upper part of the belt. In order to hold the stability of running belt, the maximum side pressure can be obtained as an action of bredth thickness, young's modulus and Poisson's ratio.

Dynamical Study On Running Belt

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