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我厂压缩机中的活塞杆,系用38CrMoAl钢制造,其加工工序流程为:下料→锻造→正火→粗加工→调质→半精加工→时效→渗氮→磨削→探伤。零件渗氮后按GB11345-89标准检验,其渗氮工艺要求为:渗层深度≥0.6~0.8mm,表面硬度不低于850HV10,
The piston rod of the compressor in our factory is made of 38CrMoAl steel. The process flow is: blanking → forging → normalizing → roughing → quenching → semi-finishing → aging → nitriding → grinding → flaw detection. After nitriding GB11345-89 standard test, the nitriding process requirements are as follows: infiltration depth ≥ 0.6 ~ 0.8mm, the surface hardness of not less than 850HV10,