线材扭转试验机砝码质量的量值传递及影响量的分析与研究  

The Analysis and Research on Performance Impact and Weight Mass Valve Transfer for Wire Torsion Testing Machine

作　　者：马兴 郭贵勇 MA Xing;GUO Gui-yong(Fujian Metrology Institute,Fujian Fuzhou 350003,China;Fujian Provincial Key Laboratory of Force Measurement,Fujian Fuzhou 350100,China)

机构地区：[1]福建省计量科学研究院,福建福州350003 [2]福建省力值计量测试重点实验室,福建福州350100

出　　处：《科技视界》2019年第33期89-89,33,共2页Science & Technology Vision

摘　　要：介绍了线材扭转试验机的工作原理和用途,建立了线材扭转试验机砝码质量校准结果的测量模型,分析了各不确定度分量主要来源。结合测量实例具体数据,对其合成不确定度进行分析评定,对各不确定度分量进行计算并得出合成不确定度和扩展不确定度,最终可得出该项目的校准测量能力,为我国钢铁和冶金等行业提供的技术支撑。This paper introduces the working principle and application of wire torsion testing machine, establishes the measurement model of the weight mass calibration results of wire torsion testing machine, analyzes the main sources of each uncertainty component, analyzes and evaluates the synthetic uncertainty combined with the concrete data of the measurement example, calculates each uncertainty component, obtains the synthetic uncertainty and extended uncertainty.Finally, the calibration and measurement ability of the project can be obtained. Overall, this paper can provide strong technical support for steel and metallurgy of other industries in our country.

关 键 词：线材扭转试验机 砝码质量 量传传递 影响量 不确定度评定 

分 类 号：TH871[机械工程—仪器科学与技术]