高精度渗氮活门加工工艺研究  

Research on Processing Technology of High Precision Nitriding Valve

作　　者：刘勇 孙莉洁 金帆 祁瑞霖 LIU Yong;SUN Li-jie;JIN Fan(AECC Xi'an Controls Company,Xi'an 710077)

机构地区：[1]中国航发西安动力控制科技有限公司,西安710077

出　　处：《航空精密制造技术》2022年第6期42-45,共4页Aviation Precision Manufacturing Technology

摘　　要：针对高精度4Cr14Ni14W2Mo渗氮材料活门零件出现的掉块、塌边及外圆圆柱度超差的问题,从材料特性、工艺流程及工艺方法进行了分析,制定了工艺流程、工艺方法及无心磨工艺的改进措施,解决了高精度渗氮活门零件的加工问题,保证产品质量。Aiming at the problems of block falling, edge collapse and out of tolerance of cylindrical degree of valve parts made of high-precision 4Cr14Ni14W2Mo nitriding material, the material characteristics, process flow and process method are analyzed. The improvement measures of process flow, process method and centerless grinding process are formulated to solve the processing problems of high-precision nitriding valve parts and ensure product quality.

关 键 词：4CR14NI14W2MO 掉块 塌边 圆柱度 工艺流程 无心磨 

分 类 号：TH162[机械工程—机械制造及自动化]