基于环件轧制理论和实践经验，提出了矩形截面环件和外台阶截面环件的毛坯设计新方法，给出了具体的毛坯设计方案。
The blank design method for ring with rectangle cross section is derived based on the ring rolling theory and practical experience.
实践结果表明，无孔型轧制在节能、降耗、提高生产率等方面具有显著效果。
The practical results show that the obvious effects about saving energy, decreasing consumption and increasing productivity were obtained.
介绍了山东石横特钢集团有限公司棒材车间在小规格热轧带肋钢筋切分轧制中高速钢复合轧辊的应用情况，实践证明，高速钢轧辊可有效提高作业率及产品质量。
In this paper, the application of high speed steel compound roll in splitting rolling of small gauge hot rolled ribbed bars at bar Plant of Shandong Shiheng Special steel Group co.
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