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
和常规的正处理后，再经
样的工艺进行渗
、
和回处理，试验证明：其渗层和
部的组织、晶粒度及机械性能均
。
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.
余热正和常规的正处理后，再经样的工艺进行渗、和回处理，试验证明：其渗层和部的组织、晶粒度及机械性能均。
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