铁路客车燃轴原因分析与防范(3)

Analysis on the Cause of Severe Hot Box of Railway Coach and the Method on How to Prevent it (3)

(3)轴箱抬到轮轴上,在轴端螺栓未紧固前,应将轴箱左右摇动数次,这样橡胶油封上、下唇便会全部转进防尘挡圈的凹槽内,油封反弹即可消失。 若以上三条均做好了,橡胶油封反弹现象便可彻底杜绝。3.3.6 优化轴端组件综合尺寸。

Through the summary based on many years' operation and repair experience, analyzing the main cause that led to the severe hot box of the coach bearing axle box from the aspects as follows: the quality of new bearings, the quality of repaired bearings, the quality of bearing installation. Finally, putting forward the specific method on how to prevent it.