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。

It's proved by our calculation that optimum design of such large-size construction as roiling mill housing is carried on by the OPTSDP, with high efficiency and satisfied results.

计算表明：象轧钢机机架这类大型结构的局部最优设计，采用OPTSDP程序具有较高的效率和得到比较满意的结果。

Housing is the most important element of rolling mill.

机架是轧机最重要的零件。

This paper researches argumentation, structural design and reference coefficient calculation of 1200pinion housing rebuilding when it's applied to 790 first rolling mill.

就1200齿轮座应用到790开坯机上所进行的改造情况作了方案论证，结构设计和参考数计算。

Three rolling schedules were selected, dynamic simulations on the preloaded housing of cold ring rolling mill were proceeded with 3d finite element method, the results were compared.

选取3种轧制规程，用三维有限单元法对预紧机架进行了动力仿真，并进行了分析和比较。

Handling the mass of a mill stand housing as a distributed parameter and simplifying it as a elastic bar to calculate is the characteristics of this paper.

本文的特点是机架质量按分布参数处理，并简化为弹性棒进行计算。