机械工业部第二设计研究院与上海第一石油机械厂于八五年底共同研制成功一条“双排可控气氛热处理自动线”。八六年七月在上海通过鉴定。这条自动线由进料前室、连续式渗碳炉、缓冷室、淬火加热室、淬火油槽、清洗机、回 The Second Design and Research Institute of the Ministry of Machinery Industry and Shanghai No. 1 Petroleum Machinery Factory jointly developed a “double-row controllable atmosphere heat treatment automatic line” jointly by the end of 1985. In July 1986 passed the appraisal in Shanghai. This automatic line by the feed chamber, continuous carburizing furnace, slow cooling chamber, quenching chamber, quenching tank, washing machine, back