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yan chang tuo la ji gun dong zhou cheng shou ming de tu jing
Author(s): 
Pages: 39
Year: Issue:  4
Journal: Farm Machinery Using & Maintenance

Abstract: 滚动轴承是拖拉机上精度要求较高,而且应用较多的重要配件之一,其技术状况直接影响车辆的使用性能.造成轴承过早失效的原因是多方面的,但最主要的是使用和保养不当,最常见的是轴承润滑不良、污染、过载严重、装配不当、运输或装卸过程中发生冲击和撞击等.车用滚动轴承大多处在重载、高速、高温和冲击载荷等苛刻的条件下工作,产生严重的磨损、烧蚀、剥落、破裂及斑点痕槽等现象,从而使轴承本身轴向和径向间隙增大.这样,当速度变化、负荷增加或润滑不良时,就会由于滚动体与滚道间的撞击或摩擦而产生异响噪声,引起轴承早期损坏.
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