随着铁路货车向重载、高速方向的发展 ,以及车辆使用率的提高 ,车辆运用当中出现的车辆故障日益突出 ,特别是滚动轴承故障的大幅度增加 ,使运用部门做好滚动轴承的防燃工作成为一项重要的攻关课题。1　现状及问题唐山车辆段段管内运用车间自 2 0 0 0年元月至2 0 0 1年 5月共发 With the development of heavy freight and high speed railway vehicles and the improvement of the vehicle usage rate, vehicle faults have become increasingly prominent during the operation of rolling stock. In particular, the rolling bearing failure has been greatly increased, An important research topic. 1 Status quo and problems Tangshan vehicle segment management workshop from January 2000 to May 2001 co-issued