JJG57-1999光学、数显分度头检定规程.pdf

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1、中华人民共和国国家计量检定规程JJG57-1999光学、数显分度头Optical珑梦talDividingHead1999一09一06发布1999一12一06实施国家质量技术监督局发布刀C57-1999光学、数显分度头检定规程}}o}po}0}一0.一O}O.O}MMO}O}MMpJJG57-1999VerificationRegulationof代替JJG57-1984.LTG6061989、.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o沪OpticalDigitalDividingHead本规程经国家质量技术监督局于1999年09月06

2、日批准，并自1999年12月06日起施行。归口单位:全国几何量角度计量技术委员会起草单位:航空工业总公司第三O四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JJG57-1999本规程主要起草人:张玉文(航空工业总公司第三0四研究所)陈照聚(航空工业总公司第三0四研究所)参加起草人:李景芳(航空工业总公司第三0四研究所)周自力(航空工业总公司第三0四研究所)JJG57-1999目录1概述···。························。··。·························。··························

3、······⋯⋯(1)2检定项目和检定条件···········，·································。······，······。·········⋯⋯(1)2.1分度头的检定项目和检定工具········。···········································。·⋯⋯(1)2.2检定条件············。·························································、············一(2)3技术要求和检定方法······，·

4、···································。·························⋯⋯(2)3.1外观及各部件的相互作用····，··········································，············⋯⋯(2)3.2工作台工作面的平面度·································一，’······················⋯⋯(3)3.3工作台侧工作面的直线度···············································

5、·············⋯⋯(4)3.4分度头和尾座定位靠止面对工作台侧工作面的平行度························⋯⋯(4)3.5工作台侧工作面对上工作面的垂直度················。···，························⋯⋯(4)3.6主轴轴线对工作台工作面、侧工作面的平行度·································⋯⋯(4)3.7顶针斜向圆跳动。····················。························。··············，·······

6、···⋯⋯(5)3.8分度头顶针和尾座顶针轴心线对工作台工作面和侧工作面的平行度·····。⋯⋯(6)3.9尾座顶针移动方向对工作台工作面和侧工作面的平行度·····················⋯⋯(6)3.10分度头紧靠垂直限位螺钉时，主轴轴线对工作台工作面的垂直度······⋯⋯(6)3.11主轴锁紧时引起的示值变化·····。··。········，····································⋯⋯(7)3.12主轴正反转360’回原位误差和回程误差················。····················

7、····。⋯(8)3.13示值误差······················。·················································。·····⋯⋯(8)4检定结果的处理和检定周期········································。···················⋯⋯(11)4.1检定结果的处理·························。·······················。······················⋯⋯(11)4.2检定周期··。·····

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