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机床精度降低与哪些因素有关

2025-03-31 04:09:20

推荐回答（1个）

回答1：

主要是主轴前后两个圆锥滚动轴承。还有卡盘，虽然卡盘不影响主轴的精度但影响工件的加工精度。

主轴前后一共有四个轴承。两个推力球轴承，主要承受轴向推力。两个单列圆锥磙子轴承，它支撑了主轴和承受主轴的径向力，还承受一小部分轴向力。它的内外圈是可以分开的，因此在他磨损或松动后，就产生了较大的间隙，因此主轴的跳动量就加大了，精度也就变差了。
当轴承间隙变大时，可以利用轴承压盖进行调整，将轴承压盖向里旋进，消除间隙，再锁紧，就可以了。

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