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1前言轧制设备及工艺是生产优质钢材的基本条件，其中尤为重要的是作为消耗品的由铸铁、铸钢、合金钢浇铸成型，加工成各种型号的轧辊。由于轧制过程中，轧辊表面不断磨损。甚至报废，企业为此耗资巨大。故延长轧辊单项和整体使用寿命，成为研究的热点之一。传统的解决办法是堆
1 Introduction Rolling equipment and processes are the basic conditions for the production of high quality steels. Of particular importance is the casting of cast iron, cast steel and alloy steel as consumables into various types of rolls. As the rolling process, the roller surface wear. Even scrapped, businesses are costly. Therefore, it is one of the hot spots to study to extend the single roller and overall service life. The traditional solution is heap