精成型段采用四辊万能机架。
To adopt four roller universal stands in finishing forming segment.
给出了四辊万能机架的基本构造及设计方法。
The fundamental structure and design method of four rolls universal mill stand are put forward.
强适应性支撑辊的优化设计是以四机架冷连轧机为对象，以板形为目标函数，以遗传算法为优化方法进行设计的。
The optimization design of highly adaptive backup rolls is used on the 4 stand tandem cold strip mill. The target function is strip shape, and the optimization method is genetic algorithms.
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