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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:
擋圈是緊固在軸上的圈形機件,可以防止裝在軸上的其他零件松動掉落。利用線材沖切工藝制成,截面呈圓形。
擋圈的作用是通過軸承蓋和其緊固螺釘使滾動軸承和齒輪不發生軸向松動,要求擋圈兩邊相平行,而對尺寸的精度要求不高,為了裝配簡便,擋圈孔和軸的配合要求為間隙配合。
擋圈

擋圈和軸之間無相對運動,擋圈尺寸對運動精度沒有影響,為了好加工,其孔的公差等級確定為IT9。要使擋圈孔與軸的配合為間隙配合,有兩種辦法:一是做擋圈孔的時候盡量做大。二是將軸做成基本尺寸相同而偏差非常小的階梯軸,令其和擋圈孔配合處的軸做小。
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