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1980年代中期,我厂从瑞士《SAFED))公司引进了一条T40-47型网带式传动热处理炉自动线,其工艺流程为:自动上料一前清洗一淬火炉一落料油槽及自动提升一后清洗一回火炉,以甲醇高温裂解气体作载气,另配置乙醇和氨,对自攻螺钉进行碳氮共渗热处理。自动线投产运行已6年多,
The mid-1980s, I plant from Switzerland "SAFED)) company introduced a T40-47 mesh belt drive heat treatment furnace automatic line, the process is: automatic feeding a washing a quenching furnace a blanking tank and automatically raise a After cleaning the furnace once, with methanol pyrolysis gas carrier gas, the other with ethanol and ammonia, self-tapping screw carbonitriding heat treatment. Automatic production line operation has been more than 6 years,