JJG740-2005-研磨面平尺检定规程.pdf

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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

2、所本规程委托全国几何量工程参量计量技术委员会负责解释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工作面的表面粗糙度··································································⋯⋯(1)4.2工作面的平面度

4、·.............................................................................(2)5通用技术要求················································，·····························⋯⋯(2)5.1外观·······················································································⋯⋯(2)5.2表面质量··············

5、···································································⋯⋯(2)6计量器具控制··············································································⋯⋯(2)6.1检定条件···············································································⋯⋯(2)6.2检定项目·····························

6、····················································⋯⋯(2)6.3检定方法·················································································⋯⋯(2)6.4检定结果的处理·······································································⋯⋯(4)6.5检定周期··············································

7、···································⋯⋯(4)附录A等倾干涉法测量平面度及计算·.....................................................(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l研磨面平尺工作面平面度测量结果不确定度评定···················