The R mainshaft at Baosteel 2050mm Hot Rolling Plant was disassembled and assembled with a new process method.Its key technology is elaborated and summarized in this paper.

• 对宝钢2050热轧厂R主轴采用新工艺方法进行了拆卸与组配,并对拆卸、装配要点进行了阐述及总结。