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我国第１条大规格Ｈ型钢（８００ｍｍ×３００ｍｍ）万能轧机生产线是马钢Ｈ型钢厂于９０年代末期从德国引进的 ,其电气设备由ＳＩＥＭＥＮＳ公司提供 ,液压系统由ＲＥＸＯＴＨ公司提供。在Ｈ型钢轧制时 ,采用四辊轧制 ,它由一对水平辊和一对立辊共同组成一个Ｈ型轧制平面。当
China’s first large-scale H-beam (800mm × 300mm) universal mill production line is Masteel H-shaped steel mills imported from Germany in the late 1990s, the electrical equipment provided by the SIEMENS company, the hydraulic system provided by REXOTH. In the H-beam rolling, the use of four-roll rolling, which consists of a pair of horizontal roller and a roller to form a H-shaped rolling plane. when