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润滑脂在使用中为什么要补充和更换？

2017-10-19

 　　润滑脂在使用中会发生氧化变质，基础油减少，有时因混入外界杂质更加恶化而失去润滑作用，或在工作过程中逐渐消耗。因此，必须定期补充和更换润滑脂，以满足部件的润滑要求。
　　轴承再润滑的周期依轴承大小、相对运动速度、负荷、操作温度以及轴承的密封效果等因素而异，各轴承制造厂大都以dn值为计算标准。

McAfer International Trading (Shanghai) Co., Ltd. was founded in 1991, and its headquarter is located in eslingen, Germany. The company is committed to the R & D and manufacturing of high performance, low noise and low vibration silent bearings.

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