论文部分内容阅读
本文对用40Cr钢制造的风冷发动机风扇主动齿轮产生的裂纹及其制造工艺进行了分析,并提出了改进建议。
In this paper, 40Cr steel made of air-cooled engine fan gear generated by the crack and its manufacturing process were analyzed and put forward suggestions for improvement.