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为什么链轮齿数越多越容易脱链

更新时间: 2020-07-03 00:00:00     

原因:链传动一般平行轴间传动,其瞬时传动比波动,传动噪声较大。 由于链节是刚性的,因而存在多边形效应,这种运动特性使链传动的瞬时传动比变化并引起附加动载荷和振动,提高链传动的运动平稳性、降低动载荷,小链轮齿数多一些为好。链条工作一段时间后,磨损使销轴变细、使套筒和滚子变薄,在拉伸载荷的作用下,链条的节距伸长。链条节距变长后、链绕上链轮时节圆向齿顶移动,也容易跳齿。

关键词: 为什么 链轮 容易

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