多阶直动调压阀芯同轴度加工误差的统计分析与控制  

Statistic Analysis and Control on Deviation Machined Coaxially by Direct-acting Pressure Regulating Valve Core

作　　者：任青剑 REN Qing-jian(Shaanxi Defence Vocational and Technical College, Xi ＇an 710300, China)

机构地区：[1]陕西国防工业职业技术学院,西安710300

出　　处：《煤矿机械》2017年第7期50-52,共3页Coal Mine Machinery

基　　金：西安市科技局(CXY1431(1))

摘　　要：针对调压阀芯加工过程产生的同轴度误差,通过统计法误差分析(直方图和点图)精确找出产生误差的原因,即由磨床头架和夹具体产生的常值系统性误差、由弹性夹套产生的变值系统性误差和随机性误差;同时,在误差分析结果的指导下调整阀芯加工定位方式,使阀芯的加工质量得到有效保证。For the coaxial deviation caused by the valve core processing,acquiring the causes of deviation exactly based on the error analysis of statistics. The constant systematic error is caused by head frame of grinding machine and jig body. The un-constant systematic error and random error are caused by resilient jig. At the same time, adjusts the location method of valve core during processing based on the guide of error analytical results to assure the processing quality of valve core.

关 键 词：电磁阀芯 同轴度误差 统计法分析 质量控制 

分 类 号：TH132.46[机械工程—机械制造及自动化]