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采用在轴承外圈上安装套圈并粘贴应变片的方法对二级齿轮减速机箱体所受的动态激励力进行了测试和分析，并在此基础上得出了有关影响减速机箱体动态激励力的主要因素的有益结论。对减速机动态设计和减速机故障诊断有着积极的意义。
The dynamic excitation force on the gearbox of two gearboxes is tested and analyzed by the method of attaching the ring on the bearing outer ring and attaching the strain gauges. On this basis, the dynamic exciting forces affecting the gearbox enclosure are obtained. Beneficial conclusions of the main factors. Dynamic design of reducer and reducer fault diagnosis has a positive meaning.