3500精轧机主电动机顶轴油起轴高度不足故障的处理

Fault Treatment of Insufficient Shaft Rising Height of Jacking Oil for Main Motor of 3500mm Finishing Mill

3500生产线精轧机主电动机更换转子后出现了顶轴油起轴高度不足故障，经对该顶轴油系统全面分析，找出了故障原N，通过对带顶轴油囊的轴瓦进行精准刮研及技术数据调整，清洗顶轴油管路并更换逆止阀，解决了该故障。

After replaced the rotor on the main electric motor in 3500ram finishing mill produc- tion line, the fault of insufficient shaft rising height resulted from jacking oil occurred. Through analyz- ing the overall system of jacking oil, find out the reason. In order to solve this problem, a precise scrap- ing and grinding is performed on the bush with jacking oil bag, clean the pipeline of jacking oil and change check valves.