一、概述西南铝加工厂压延分厂是铝及铝合金板材的生产单位。铝扁锭经轧成铝卷,在预剪机列切成板片后精整交货。预剪机列是生产薄板的必经之路,设计通过量每月为1,700吨,该机列配有一台五辊矫直机,矫直机速度0.33～1米/秒,工作辊辊径φ150/180毫米,工作辊辊身长度2,800毫米,工作辊个数5个,支承辊径φ155毫米,支承辊辊身长度900毫米,支承辊个 I. Overview Southwest Aluminum Processing Plant rolling plant is aluminum and aluminum alloy sheet production units. Aluminum slab rolled into aluminum coil, cut into plates in the pre-shearing machine after finishing delivery. The pre-shearing machine is the only way to produce the sheet. The designed throughput is 1,700 tons per month. The machine is equipped with a five-roller straightener, the leveler speed is 0.33 ~ 1 m / s, the work roll diameter is φ150 / 180 mm, work roll body length 2,800 mm, the number of work roll 5, support roll diameter φ155 mm, back-up roll body length 900 mm, roll support