Through the usage of the balls of ball-mill the reliability and superiority of the new pattern Bainite balls in respects of chemical components, microstructure, heat treatment have been proved.
The characteristic of roll pass system in high speed wire mill was introduced, moreover, the deformation parameters and variation regular pattern of the roll pass were analyzed.
介绍高速线材孔型系统的特点，并对其变形参数及其变化规律进行分析。
3
The stress situations of Tolling mill are analyzed. The management method and structure pattern of improving the rigidity of GH type non-horizontal beam high-rigidity rolling mill are introduced.