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Why Timken bearing vibration will increase  

2012-09-05 13:50:14|  分类: 技术 |  标签: |举报 |字号 订阅

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timken轴承的使用时间过长,超过timken轴承的使用寿命而容易造成材质的疲劳,加上强烈的冲击作用而使材质变形,使得滚子、滚道面产生剥离、碾片,从而造成润滑不良和振动加大。
Timken bearings used for too long, more than of Timken bearing life and easily lead to material fatigue, coupled with the strong impact and material deformation, allowing roller, split, the Raceway surface grind tablets, resulting in poor lubrication, and increased vibration.
timken轴承内圈与轴的配合间隙过盈量不符,也很容易造成轴承故障,过盈量大,很容易造成轴承内圈因过大的张应力而崩裂,过盈量过小,也很容易造成timken轴承内圈“弛缓”。
Timken bearing inner ring and shaft clearance of interference, and is also likely to cause bearing failure, interference, it is easy to cause bursting due to excessive tensile stress bearing inner ring, interference is too small, is also likely to cause Timken bearing inner ring "flaccid".
timken轴承组装配合游隙配合不当,也容易造成轴承故障,游隙小很容易造成滚子和滚道摩擦发热,随着温度的不断上升,timken轴承内圈、滚动体、保持架、外圈、端盖的温度并不相同,相互之间存在着温差,因而膨胀量也略有不同,也就造成配合间隙的进一步减少,加据轴承的生热。间隙过大,滚子的振动加大,加剧滚子和滚道的冲击,同时也易造成内部负荷分布不均,承载滚子减少,中央滚子负荷过大。
Timken bearing assembled tie tour gap tie improper, also easy caused bearing fault, tour gap small is easy caused roll child and roll road friction fever, as temperature of constantly rose, Timken bearing within ring, and scroll body, and maintained frame, and outer ring, and end cover of temperature does not same, mutual Zhijian exists with temperature, thus expansion volume also slightly has different, also on caused tie gap of further reduced, plus according to bearing of health hot. Clearance is too large, increased vibration of roller, exacerbate the impact of rollers and raceways, but also prone to internal unequal load distribution, bearing rollers to reduce the Central roller load is too large.
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