The retaining ring is a ring shaped component fastened to the shaft

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The retaining ring is a ring shaped component fastened to the shaft

date:[2022-12-16]     pk_hits:
挡圈是紧固在轴上的圈形机件,可以防止装在轴上的其他零件松动掉落。利用线材冲切工艺制成,截面呈圆形。
挡圈的作用是通过轴承盖和其紧固螺钉使滚动轴承和齿轮不发生轴向松动,要求挡圈两边相平行,而对尺寸的精度要求不高,为了装配简便,挡圈孔和轴的配合要求为间隙配合。
挡圈

挡圈和轴之间无相对运动,挡圈尺寸对运动精度没有影响,为了好加工,其孔的公差等级确定为IT9。要使挡圈孔与轴的配合为间隙配合,有两种办法:一是做挡圈孔的时候尽量做大。二是将轴做成基本尺寸相同而偏差非常小的阶梯轴,令其和挡圈孔配合处的轴做小。
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