由四川省冶金工业厅下达的,四川省冶金机械厂、成都科技大学承担的重点科研项目:“立式离心复合钒钛冷硬铸铁轧辊研制”于一九八七年六月二十二日经省冶金厅主持在成都科技大学通过省内外十四个单位的同行专家的技术签定,该成果属国内外首创。“立式离心复合钒钛冷硬铸铁轧辊”是用离心法先铸成耐磨的表层,再浇入强度高的芯部铁水,使其表层与芯部达到冶金结合,而形成外硬内韧,综合性能优异的一种轧辊。课 From Sichuan Provincial Department of Metallurgical Industry issued by Sichuan Metallurgical Machinery Factory, Chengdu University of Science and Technology to undertake the key scientific research projects: “vertical centrifugal composite vanadium and titanium chilled cast iron roll” on June 22, 1987 by Provincial Metallurgical Department presided over the Chengdu University of Science and Technology through the province of fourteen units of peer experts signed the technology, the results are the first at home and abroad. “Vertical centrifugal composite vanadium and titanium chilled cast iron roll” is first cast by centrifugation wear-resistant surface, and then poured into the high strength of the core of hot metal, the surface layer and the core to achieve metallurgical bonding, and the formation of external hard tough , A comprehensive performance of a roll. class