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通过对孔型轧制法替代挤压法试生产复杂黄铜HMn60-3-1-0.75大规格棒材的工艺研究,解决了用挤压法工艺存在的“缩尾”缺陷问题,使成材率同比提高了35%以上,并创新了复杂黄铜大规格棒材的生产工艺。
Through the hole rolling method instead of extrusion method trial production of complex brass HMn60-3-1-0.75 large-scale bar technology research to solve the squeeze method exists the existence of the “tail” defects The percentage of finished products increased by 35% over the same period of last year, and the production process of complex brass large-size bars was innovated.