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采用综合分析方法 ,对 2 80 0四辊轧机主传动万向联轴器十字轴断裂事故进行了分析 ,并确定该事故的主要原因是十字轴热处理工艺不当。
A comprehensive analysis method was used to analyze the rupture of cross shaft of the main drive universal coupling of 2 80 0 four-high rolling mill. The main reason of this accident was the improper cross-shaft heat treatment process.