9407| 18
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滚珠丝杆+圆管导向丝杆升降装置出现问题 |
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点评
直线轴承在承受径向负载时轴承内部滚珠列会把导向杆划出沟来,即使经过热处理并镀铬也一样,还是套相对好些,直线轴承一般不允许承受径向力,小负载人工操作部位到可以考虑
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