Reasons Analysis and Maintenance Measures for the Failture of Converter Trunnion Bearing 转炉耳轴轴承的故障分析和维护措施
Steel converter is the main equipment in steel-making, and the drive mechanism, trunnion bearing, is the key component of steel converter. 炼钢转炉是炼钢生产的重点设备,而转炉的传动机构&耳轴轴承又是炼钢转炉的关键部件。
In the trunnion bearing of a Hooke's universal joint, the crown drop on the needle roller determines the contact pressure distribution between the needle and the raceway, and is one of the most important factors to affect the capability and life of the joint. 虎克万向节十字轴节叉轴承的滚针凸度决定了滚针与滚道间接触压力的分布状况,是影响万向节性能和寿命的主要因素之一。
The converter body and trunnion bearing were replaced at the beginning of 1997 due to the serious body defection after the operation of No. 2 converter in steelmaking mill of Bao Steel for 11 years. 宝钢炼钢厂2号转炉投运11年后,因炉体变形严重,于1997年初实施炉体更新、耳轴轴承更换。
The article analyses the factors of the converter body deformation, the new converter body manufacturing process, the replacement of converter body and trunnion bearing, and the technological bottleneck& characteristics of the replaced converter body as well. 文章分析了炉体变形因素,讨论了新炉体的制作情况和炉体、耳轴更新工艺,并就炉体更新的技术关键及特点作了分析。