jjg740-2005研磨面平尺检定规程

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1、UU场中华人民共和国国家计量检定规程JJG740-2005研磨面平尺MillingStraightEdges2005一03一03发布2005一09一03实施国家质量监督检验检疫总局发布JJG740-2005研磨面平尺检定规程JJG740-2005VerificationRegulationof{代替JJG740-199140、.0.0.o.o.0-一一。-一-一0o.0.o.‘MillingStraightEdges本规程经国家质量监督检验检疫总局于2005年3月3日批准，并自2005年9月3日起施

2、行。归口单位:全国几何量工程参量计量技术委员会起草单位:北京市计量科学研究所本规程委JJG740-2005本规程起草人:马桂茹(北京市计量科学研究所)吴迅(北京市计量科学研究所)刘振福(北京市计量科学研究所)JJG740-2005目录1范围·······································································，··················⋯⋯(1)2引用文献................................

3、..........................................................(1)3概述·······································································4··················⋯⋯(1)4计量性能要求··············································································⋯⋯(1)4.1

4、工作面的表面粗糙度··································································⋯⋯(1)4.2工作面的平面度·.............................................................................(2)5通用技术要求················································，·························

5、····⋯⋯(2)5.1外观·······················································································⋯⋯(2)5.2表面质量·················································································⋯⋯(2)6计量器具控制··············································

6、································⋯⋯(2)6.1检定条件···············································································⋯⋯(2)6.2检定项目·················································································⋯⋯(2)6.3检定方法························

7、·························································⋯⋯(2)6.4检定结果的处理·······································································⋯⋯(4)6.5检定周期·················································································⋯⋯(4)附录A等倾干涉法测量平

8、面度及计算·.....................................................(5)附录B常用段(n=3一6)分段法计算式(1)的简化公式······················，·⋯(8)附录C分段测量研磨面平尺工作面平面度的数据处理示例·..........................(9)附录ll研磨面平尺工作面平面度测量结果不确定度评定························⋯⋯(13)附录E检定证书和检