CNC机床加工发动机铸件光孔直径控制图异常波动原因分析  

Cause Analysis of Abnormal Fluctuation of Control Chart of Engine Casting Light Hole Diameter Processed by CNC Machine Tool

作　　者：王睿晟 邬豪 莫瑜 Wang Ruisheng;Wu Hao;Mo Yu(SGMW Chongqing Branch,Chongqing 400000)

机构地区：[1]上汽通用五菱汽车股份有限公司重庆分公司,重庆400000

出　　处：《现代工业经济和信息化》2022年第4期234-236,共3页Modern Industrial Economy and Informationization

摘　　要：介绍了CNC机床加工的发动机铸件(缸体、缸盖等)光孔的直径控制图异常波动常见表现形式和涉及的SPC判异原则,并依次说明了每种表现形式的常见潜在原因、临时措施、长期控制手段,对提高铸件光孔直径加工精度具有指导作用。This paper introduces several common forms of abnormal fluctuation of control chart of light hole diameter of engine castings(block,head,etc.)processed by CNC machine tool and related SPC differentiation principle,in turn,the paper also describes the common potential causes,temporary measures and long-term control measures of each form,which can guide the improvement of the machining accuracy of casting light hole diameter.

关 键 词：发动机铸件 光孔直径 CNC机床 控制图异常波动 SPC判异原则 常见潜在原因 改进措施 

分 类 号：TN9[电子电信—信息与通信工程]