在手扶拖拉机的各种壳体零件中(如最终传动壳体,轴承盖板,皮带轮等),为保证轴承不作轴向移动,均设有安置孔用弹性挡圈的挡圈槽(亦称卡簧槽)。如图1。在加工这类挡圈槽时,我车间根据生产实际情况,设计一种偏心传动切槽工 In a variety of housing tractor parts (such as the final drive housing, bearing cover plate, pulleys, etc.), in order to ensure that the bearing does not move axially, are equipped with a retaining ring retainer ring retainer ring groove Retaining groove). Figure 1. In the processing of such retaining ring groove, I workshop according to the actual production situation, the design of an eccentric drive grooving