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沿轨道运行的各种起重机或车辆,当车轮在钢轨上滚动前进时,如果同时存在着轴向滑动,此时的轴向滑动摩擦系数与滚动速度有无关系?与车轮纯轴向滑动(即不同时滚动)时的滑动摩擦系数是否一样?这两点疑难与迄今尚未解决的起重机歪斜运行时的侧向力计算有着密切的关系。
Whether the axial sliding friction coefficient at the moment has a relationship with the rolling speed when the wheels roll on the rail when all the cranes or the vehicles run along the track? Not rolling at the same time) the sliding friction coefficient is the same? These two problems and so far unresolved crane skew operation side force calculation is closely related.