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表面渗碳淬火的深孔薄壁辊套的冷热加工，是机械加工工艺研究的一个难题，这类零件的机械加工和热处理变形均难以控制，工艺流程比较复杂，在国内尚无成熟工艺标准可以参考。近期我们冷热工艺人员经过深入研究和联合攻关，运用长期积累的丰富实践经验，终于解决了这一技术关键
Surface carburizing quenching of deep-hole thin-walled roll sleeve hot and cold processing, mechanical processing technology research is a problem, such parts machining and heat treatment deformation are difficult to control, the process is more complex, there is no mature technology standards Can refer to. Recently, our hot and cold process personnel through in-depth research and joint research, the use of long-term accumulation of rich practical experience, and finally solved this key technology