jjg7-2004 直角尺 检定规程

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1、中华人民共和国国家计量检定规程JJG7-2004直角尺Squares2004一03一02发布2004一09一02实施国家质量监督检验检疫总局发布JJG7-2004产-心、。。。，勺。心。。.勺.护直角尺检定规程.。JJG7-2004.令.。.。.。.卜代替JJG61-1980VerificationRegulationJJG7-1986ofSquares本规程经国家质量监督检验检疫总局于2004年03月02日批准，并自2004年09月02日起施行。归口单位:全国几何量角度计量技术委员会主要起草单位:陕西省计

2、量测试研究所西安建筑科技大学参加起草单位:赛宝计量检测中心中国科学院西安光学精密机械研究所本规程委托全国几何量角度计量技术委员会负责解释标准分享网www.bzfxw.com免费下载iiC7-2以H本规程主要起草人:王彩霞(陕西省计量测试研究所)常青(陕西省计量测试研究所)王平安(西安建筑科技大学)参加起草人:张辉(陕西省计量测试研究所)李江云(赛宝计量检测中心)刘亚南(中国科学院西安光学精密机械研究所)JJG7-2004目录1范围·······································

3、···················································⋯⋯(1)2引用文献·.........................................................................................(1)3概述·····························，···············································。。···········⋯⋯(1)4计量性

4、能要求························································.....................⋯⋯(7)4.1测量面、基面及侧面的表面粗糙度·····························.................⋯⋯(7)4.2测量面和基面的平面度·····································.........................⋯⋯(7)4.3测量面的直线度············

5、··········............................................⋯⋯(7)4.4基面间的平行度·························.....··.....................................⋯⋯(7)4.5侧面相对于基面的垂直度··················.....................................⋯⋯(7)4.6a,月角测量面相对于基面的垂直度(7)4.7线纹钢直角尺示值误差····

6、·························.................................⋯⋯(7)5通用技术要求························································....................⋯⋯(7)6计量器具控制··············································...............................⋯⋯(8)6.1检定条件·········

7、··············，·····················，··········........................⋯⋯(8)6.2检定项目·································，···············································⋯⋯(9)6.3检定方法·····················。············································..............

8、.⋯⋯(9)6.4检定结果的处理·························..............................................⋯⋯(16)6.5检定周期·································································...............⋯⋯。(16)附录A间隙法和直接测量法(17)附录B检定