坐標(biāo)機測量超聲波探傷試塊法測量結(jié)果不確定度分析

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【摘要】超聲波探傷試塊是用于校準(zhǔn)超聲探傷設(shè)備常用的一種計量器具。本文介紹了采用三坐標(biāo)測量機對超聲波探傷試塊進(jìn)行誤差校準(zhǔn)的方法,并對該方法進(jìn)行了不確定度的分析,得出U=0.013 mm,k=2。
【關(guān)鍵詞】計量;坐標(biāo)測量機;超聲波探傷試塊;不確定度
【DOI編碼】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
校準(zhǔn)超聲波探傷設(shè)備的常用方法是采用與已知量相比較的方法來確定其準(zhǔn)確性。(剩余2310字)