In addition, method for roll groove design of the mill is put forward.
提出了斜轧扩管机轧辊辊型设计方法。
The structural design and working process of roll-groove die, as well as the improved die structure and its application are introduced.
介绍引进滚槽模具的结构设计及工作过程，以及改进后的模具结构及应用。
The design method of groove system and wide extension coefficient formula proposed in the paper are very significant for roll forging design of other similar products.
本文提出的型槽系设计方法及展宽系数公式，对于类似产品辊锻工艺设计有普遍指导意义。
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