坐标机测量超声波探伤试块法测量结果不确定度分析

打开文本图片集
【摘要】超声波探伤试块是用于校准超声探伤设备常用的一种计量器具。本文介绍了采用三坐标测量机对超声波探伤试块进行误差校准的方法,并对该方法进行了不确定度的分析,得出U=0.013 mm,k=2。
【关键词】计量;坐标测量机;超声波探伤试块;不确定度
【DOI编码】10.3969/j.issn.1674-4977.2023.06.006
Uncertainty Analysis of Blocks Used in Ultrasonic Testing Measured by Coordinate Machine
YAO Xingyu1, ZHOU Yuan2, ZUO Xinxin2, WANG Rongshuang2
(1.Liaoning Institute of Measurement, Shenyang 110004, China; 2.Haibin Electric Corporation〔Qinhuangdao〕Heavy Equipment Co., Ltd., Qinhuangdao 066000, China)
Abstract: Blocks used in ultrasonic testing is a common measuring instrument used to calibrate ultrasonic flaw detection equipment. This paper introduces the method of blocks used in ultrasonic testing by CMM, and analyzes the uncertainty of this method. The result is U=0.013 mm, k=2.
Key words: measurement; coordinate measuring machine; blocks used in ultrasonic testing; uncertainty
0引言
校准超声波探伤设备的常用方法是采用与已知量相比较的方法来确定其准确性。(剩余2310字)