The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method.
试图用指标体系来描述和评价材料的切削加工性。
可出精肉的比例The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method.
试图用指标体系来描述和评价材料的切削加工性。
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
，再经同
的工艺
碳、淬火和回火，试验证明：其层和心部的组织、晶粒度及机械性能均相同。
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