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哈尔滨铁路局工业处和哈尔滨工业大学共同研制的机车车辆销类件冷拨——摆辗新工艺及BMQ型摆辗机,于9月26日通过局科技成果鉴定。 这项工艺和BMQ型摆辗机,改变了过去热锻法生产及机械加工的传统工艺方
Harbin Railway Bureau Industry Department and Harbin Institute of Technology co-developed locomotive and vehicle parts sales cold dial - swing roller new technology and BMQ swing machine, on September 26 through the Bureau of scientific and technological achievements appraisal. This process and the BMQ swinging machine have changed the traditional art of hot-forging production and machining