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Important role to cause overheating on the SKF bearing maintenance  

2012-09-18 10:28:59|  分类: 技术 |  标签: |举报 |字号 订阅

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SKF轴承的制造通俗要经由锻造、热措置、车削、磨削和装配等多道加工工序。各加工工艺的合理性、先进性、稳定性也会影响到SKF轴承的寿命。影响轴承质量的热措置和磨削加工工序,经常与轴承的失效有着更直接的关系。近年来对轴承工作表面蜕变层的钻研标明,磨削工艺与轴承表面质量的关系密切。
SKF bearings are made popular by forging, hot handle, turning, grinding and assembling multi-channel processes. Rationality, advanced processing technology, stability can also affect SKF bearing life. Hot handle and affecting quality of bearing grinding process, often has a more direct relationship with bearing failures. On bearing surface transformation in recent years studies indicate, close to grinding and surface quality of bearing.
1、SKF轴承已经损坏,应该立即更换。
1, SKF bearings are damaged, it should be replaced immediately.
2、轴承润滑脂过少、过多或有铁屑等杂质。SKF轴承润滑脂的容量不应超过总容积的70%,有杂质者应更换。
2, bearing grease too little, too much or has impurities such as iron filings. SKF bearing grease capacity should not exceed the total volume of 70%, with impurities should be replaced.
3、轴与轴承配合过紧或过松。过紧时应重新磨削,过松时应给转轴镶套。
3, shaft and bearing fit too tight or too loose. Too tight to be grinding again, when excessively loose hinge mounting should be given.
4、轴承与端盖配合过紧或过松。过紧时加工轴承室,过松时在端盖内镶钢套。
4, bearing and end caps fit too tight or too loose. Machining the bearing room when too tight, too loose with the steel end caps when set.
5、电动机两端盖或轴承盖装配不良。将端盖或轴承盖止口装进、装平,拧紧螺钉。
5 poor, both ends of the motor cover or bearing cap Assembly. End caps or bearing cap with the inlet and flat, tighten the screw.
6、皮带过紧或联轴器装配不良。调整皮带张力,校正联轴器。
6, belt too tight or poor coupling Assembly. Adjusting the belt tension calibration of coupling.
7、SKF轴承润滑油太少、有杂质或油环卡住。应如加油、换新油,修理或更换油环。
运动一段时间后,振动和噪声维持一定水平,频谱非常单一,仅出现一、二倍频。极少出现三倍工频以上频谱,SKF轴承状态非常稳定,进入稳定工作期。继续运行后进入使用后期,轴承振动和噪声开始增大,有时出现异音,但振动增大的变化较缓慢,此时,SKF轴承峭度值开始突然达到一定数值。我们认为,此时轴承即表现为初期故障。
7, SKF bearing lubricant too little, impurities or oil control ring stuck. Such as oil, new oil, repair or replace the oil ring.
Movement after a period of time, to maintain a certain level of vibration and noise, spectrum is single, only Yi、erbei frequency. Rare three times more than double the frequency spectrum, SKF bearings are very stable, entered a period of stability. Continue to run into use late, bearing vibration and noise began to increase, sometimes abnormal noise, but changes in the vibration increases more slowly, at this time, SKF bearing kurtosis value suddenly reaches a certain value. We believe that the performance for the early failure of the bearing.

本文来源贝尔轴承http://www.beier-bearingshop.com/skf-bearing.shtml

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