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本文简要介绍了一台横列式小型棒材轧机的改造内容。在精轧机列前后各增设一台机架,采用交流电机通过齿轮箱配恒定速比集体传动,组成二组两机架连轧,采用微拉轧制工艺。改造方案的优点为投资少,机械化水平较高,上马快,产量增大,产品质量有所改进。文中介绍了连轧速比设计方法,控制连轧产品质量的措施,配辊尺寸的计算。
This article gives a brief introduction of the rebuild of a small row bar mill. Before and after the finishing mill in the increase of a rack, the use of AC motor gear box with constant speed than the collective drive, composed of two two-stand rolling, the use of micro-rolling process. The advantages of the reform program are less investment, higher level of mechanization, quick start up, higher output and better product quality. The paper introduces the design method of the rolling speed ratio, the measures to control the quality of the continuous rolling products and the calculation of the roller size.