轧机用四列圆柱滚子轴承的使用寿命  

Service life of four row cylindrical roller bearing used in rolling mill

作　　者：方养锐 

机构地区：[1]北京轴承厂

出　　处：《轴承》1989年第3期52-54,41,共4页Bearing

摘　　要：轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。如了提高轧机轴承的使用寿命,除了对原材料应有较高要求外,文中着重介绍了设计结构的改进,如将原来所用的双联实体保持架改用钢板冲压乙形保持架、槽形保持架或粉末冶金烧结保持架;用密封轴承代替现在的开式轴承等。附图2幅。The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces,and the premature damage of cages.Besides requiring better material improving design is another important way for improving the service life of rolling mill bearing. In this paper,some improvement of bearing design are introduced, such as using steel sheet pressed Z type cage cage, channel type cage or sintered powder metallugy cage to replaca prong type solid cage; and adopting sealed bearing to replace open bearing, etc.

关 键 词：轧机轴承 圆柱滚子轴承 寿命 轴承 

分 类 号：TG333.17[金属学及工艺—金属压力加工]