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INA bearing cage important factor in fracture  

2012-08-28 10:47:54|  分类: 技术 |  标签: |举报 |字号 订阅

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INA轴承保持架断裂属于偶发性非正常失效模式,我们来从以下五个方面分析INA轴承保持架断裂的原因。
INA bearing cage fracture belongs to the occasional non-normal failure mode, from the following five aspects we analyse the causes of INA bearing cage fracture.  
1、INA轴承润滑不良问题:INA轴承运转处于贫油状态,易形成粘着磨损,使工作表面状态恶化,粘着磨损产生的撕裂物易进入保持架,使保持架产生异常载荷,有可能造成保持架断裂。
1, INA bearing lubrication of malnutrition: INA bearings running at a lean, easy to form adhesive wear, so the work surface condition deteriorated, adhesive wear tear easy entering of cage, cage produced abnormal loads, is likely to cause fracture of cage.    
2、INA轴承蠕变现象:蠕变多指套圈的滑动现象,在配合面过盈量不足的情况下,由于滑动而使载荷点向周围方向移动,产生套圈相对轴或外壳向圆周方向位置偏离的现象。   
2 creep phenomenon, INA bearings: creep sliding phenomenon of multiple rings, in the case of insufficient interference the mating surfaces, move around to the loading point direction due to sliding, ring relative to the shaft or casing to the circumference of location deviation phenomena.  
3、INA轴承保持架材料缺陷:裂纹、大块异金属夹杂物、缩孔、气泡及铆合缺陷缺钉、垫钉或两半保持架结合面空隙,严重损伤等均可能造成保持架断裂。   
3, INA bearing cage material defects: cracks, large effects of metal inclusions and shrinkage, bubbles and riveting defects out of nails, pads nail or combination die for two and a half gap, serious damage may cause, such as cage fracture.   
4、INA轴承保持架异常载荷:安装不到位、倾斜、过盈量过大等易造成游隙减少,加剧摩擦生热,表面软化,过早出现异常剥落,随着剥落的扩展,剥落异物进入保持架兜孔中,导致保持架运转阻滞并产生附加载荷,加剧了保持架的磨损,如此恶化 的循环作用,便可能造成保持架断裂。   
4, and INA bearing maintained frame exception load: installed does not in place, and tilt, and had Ying volume had large, easy caused tour gap reduced, increased friction health hot, surface softening, premature appears exception peeling, as peeling of extended, peeling foreign body entered maintained frame Pocket Hole in the, led to maintained frame running block and produced attached load, increased has maintained frame of wear, so deterioration of loop role, will may caused maintained frame fracture.   
5、INA轴承硬质异物的侵入 外来硬质异物的侵入,加剧了保持架的磨损与产生异常附加载荷,也有可能导致保持架断裂。
5, INA bearings of hard foreign bodies penetrated outside rigid foreign body penetration of aggravate the wearing of cage and exceptions are produced additional load, are also likely to lead to fracture of cage.

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

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