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一、无孔型轧制及其经济意义 1.无孔型轧制无孔型轧制是指在无轧槽的轧辊上轧制高宽比较大的轧件,即按常规轧法是将有轧槽的轧辊改为平辊轧制,轧件不与孔型侧壁
First, the non-perforated rolling and its economic significance 1. Non-perforated rolling non-perforated rolling refers to the non-rolling groove rolling high aspect ratio of the rolling, that is according to the conventional rolling method will have Roll groove roll to flat roll rolling, rolling the hole side wall