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1.前言由四辊冷轧机和二辊冷轧机组成的冷轧窄带钢车间,遍布全国19个省市,据1984年不完全统计,这样的车间超过50个,轧机达556台。年产冷轧窄带钢约占全国冷轧薄板、带钢产量的1/3。国内窄带冷轧机生产的大部分产品厚度在0.05～3.5mm,宽度在300mm以下。这些产品广泛用于轻工、机电、仪表、日用五金等部门,并是深度加工产品的坯料,如焊接钢管、冷弯型钢、涂层带钢、
1. Introduction Cold-rolling narrow-strip steel plant consisting of four-roll cold rolling mill and two-roll cold rolling mill spreads across 19 provinces and cities nationwide. According to incomplete statistics in 1984, there are over 50 such workshops with 556 rolling mills. With an annual output of cold-rolled narrow strip about the country’s cold-rolled sheet, strip production 1/3. Domestic narrow-band cold-rolled products most of the thickness of the product in the 0.05 ~ 3.5mm, the width of 300mm below. These products are widely used in light industry, electromechanical, instrumentation, household hardware and other departments, and is a deep processing of products such as welded steel pipe, cold-formed steel, coated strip,