What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.
余热正火和常规的正火处理后，再经
样的工艺进行
、
火和回火处理，试验证
：其层和
部的组织、晶粒度及机械性能均相。
What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.
余热正火和常规的正火处理后，再经样的工艺进行、火和回火处理，试验证：其层和部的组织、晶粒度及机械性能均相。
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