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对湖北省交通汽车配件厂东风140汽车后桥齿轮渗碳设备及工艺进行了改进,用氧探头测量、显示、记录炉内碳势,采用球化渗碳直接淬火工艺取代渗碳后空冷重新加热淬火工艺。产品质量稳定,使用寿命提高,缩短了生产周期。
The gear carburizing equipment and technology of the rear axle of Dongfeng 140 automobile in Hubei Traffic Vehicle Parts Factory were improved. The oxygen potential was measured, displayed and recorded. The carburizing direct quenching process was used to replace the carburizing air cooling to reheat Quenching process. Product quality is stable, improve service life, shorten the production cycle.