The strength and stiffness of mill housing have been studied.

本文对轧机机架的强度和刚度进行了研究。

The improvement has solved the problem of processing and repairing mill housing that was impossible using the conmmon boring machine.

这一改进解决了湘钢原有机床不能加工和修复轧机牌坊的难题。

The way expands machining range of floor type boring lathe. The hard nut to crack that can't process and restore mill housing with the old machine …

改进后的落地镗床具有加工较大范围的镗铣功能，解决了湘钢机制公司不能加工和修复轧机机架的难题。

The results prove that increasing the height of the crossbeam is the most reasonable solution both in technology and in economy for improving the stiffness of mill housing.

研究结果表明，增加机架横梁的高度是改善轧机机架刚度最有效也是最经济合理的方法。

The way expands machining range of floor type boring lathe. The hard nut to crack that can't process and restore mill housing with the old machine in our company was resolved.

改进后的落地镗床具有加工较大范围的镗铣功能，解决了湘钢机制公司不能加工和修复轧机机架的难题。