航空发动机燃油总管钻具空间交点尺寸测量不确定度评定  

Evaluation of Measurement Uncertainty of Dimensions Space Intersection of Aero-engine Main Fuel Pipe Drill

作　　者：王呈[1] 房吉庆 穆轩 

机构地区：[1]沈阳黎明航空发动机(集团)有限责任公司产品检验检测中心计量中心,辽宁沈阳110043

出　　处：《计测技术》2010年第5期53-56,共4页Metrology & Measurement Technology

摘　　要：结合航空发动机燃油总管孔加工钻具的检定实例,介绍了一种利用平板、直角尺、光学分度台等常用计量器具构建的测量系统测量复杂空间交点尺寸的方法,给出了数学模型并对测量结果的不确定度进行了评定。Combined with the test instance of the aero-engine main fuel pipe hole drill,a method for measuring complex dimensions of space intersection using the measarement system constructed by common measurement apparatus such as flat,square and optical indexing table is introduced,focusing on detailing the mathematical model and results of measurement uncertainty.

关 键 词：发动机 钻具 不确定度 评定 

分 类 号：TH161.5[机械工程—机械制造及自动化]