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我厂一九七三年初,对柴油机上的齿轮进行光亮渗碳探索并进行了少量试生产,一九七四年正式在生产上采用。经过五年多的生产实践考核,证明18Cr2Ni4WA钢制齿轮光亮渗碳与一般气体渗碳相比,具有渗碳温度低、不需再经高温回火和重新加热淬火及喷砂清理、不脱碳、不氧化、变形小等优点。合格率由历年的54.7％提高到66.1％,仅这一项每年就可为国家节约36万余元,基本上解决了我厂多年来的生产关键。
In the beginning of 1973, our factory explored the bright carburizing of the gear on the diesel engine and carried out a small amount of pilot production, formally adopted in production in 1974. After more than five years of production practice examination, proved 18Cr2Ni4WA steel gear bright carburizing compared with the general gas carburizing, with low carburizing temperature, without the need to be high temperature tempering and reheating quenching and blast cleaning, do not decarburization , No oxidation, small deformation and so on. The passing rate will be increased from 54.7% in previous years to 66.1%. This alone will save the country more than 360,000 yuan, basically solving the key production problems in our factory over the years.