JJG 571-2004 读数、测量显微镜

中华人民共和国国家计量检定规程

JJG571-2004

读数、测量显微镜

ReadingMicroscopeandMeasuringMicroscope

2004一09一21发布2005一03一21实施

国家质量监督检验检疫总局发布

JJG571-2004

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'>JJG571-2004

己代替JJG904-1996

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弓代替JJG571-1988

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本规程经国家质量监督检验检疫总局于2004年09月21日批准，并自

2005年03月21日起施行。

归口单位:全国几何量工程参量计量技术委员会

主要起草单位:中国计量科学研究院

河南省计量测试研究所

参加起草单位:中国航空工业第一集团公司第三O四研究所

本规程委托全国儿何量工程参量计量技术委员会负责解释

JdG571-2004

本规程主要起草人:

朱小平(中国计量科学研究院)

张卫东(河南省计量测试研究所)

张恒(中国计量科学研究院)

参加起草人:

赵新丽(中国航空工业第一集团公司第三0四研究所)

王蔚晨(中国计量科学研究院)

JJG571-2004

目录

1范围····································、····················································……(1)

2引用文献·················································································……(1)

3概述·······························，·······················································……(1)

4计量性能要求··············································································……(2)

4.1圆工作台受径向力时引起的位移··················································……(2)

4.2玻璃台面与纵、横向滑板移动方向的平行度····································……(2)

4.3纵、横向滑板移动的直线度·······················································……(2)

4.4纵、横向滑板移动的相互垂直度·························，·······················……(2)

4.5显微镜升降方向对玻璃台面的垂直度············································……(2)

4.6圆工作台的示值误差·································································……(2)

4.7显微镜的示值误差···································································……(2)

4.8回程误差·······················································，·························……(2)

5通用技术要求··············································································……(3)

5.1外观·······················································································……(3)

5.2各部分的相互作用··································································……(3)

5.3显微镜各刻线间的相对位置························································……(3)

5.4棱镜座转动引起影像的位移·······················································……(4)

5.5螺旋线分划板中心与回转中心的重合性·········································……(4)

6计量器具控制··············································································……(4)

6.1检定条件··························。·············，·····································……(4)

6.2检定项目················································································……(4)

6.3检定方法··············································································……(4)

6.4检定结果的处理·······································································……(9)

6.5检定周期···············································································……(9)

附录A读数显微镜示值误差检定结果的不确定度分析··························……(}o)

附录s测量显微镜示值误差检定结果的不确定度分析·······················-···……(12>

附录C检定螺旋线分划中心与其回转中心重合性的检定装置··················……(14)

附录U检定证书和检定结果通知书内页格式······································……(15)

JJG571-2004

读数、测量显微镜检定规程

范围

本规程适用于分度值不大于0.01mm,测量范围上限至8mm的读数显微镜，以及

分度值不大于0.01mm,测量范围:纵向为(0一50)mm、横向为(0一13)mm的测量

显微镜的首次检定、后续检定和使用中检验。

2引用文献

本规程引用下列文献:

JJF1001-1998通用计量术语及定义

JJF1059-1999测量不确定度评定与表示

JJF1094-2002测量仪器特性评定

JB/T2369-1993读数显微镜

JB/T9339-1999测量显微镜

使用本规程时，应注意使用上述引用文献的现行有效版本。

3概述

读数显微镜和测量显微镜(以下简称显微镜)都是光学机械式长度计量仪器，读数

显微镜主要作为长度计量仪器中的瞄准定位读数装置，也可单独用于刻线宽度、间距等

长度量的测量;测量显微镜的主要用途是通过影像法以直角坐标或极坐标原理测量零件

的形状尺寸。读数显微镜外形结构如图1、图2、图3所示，测量显微镜外形结构如图4

所示。

图1读数显微镜外形图之一图2读数显微镜外形图之二

1一物镜;2-测微分划板盒;1一物镜;2-测微旋钮;3一目镜;

3一目镜;4-测微旋钮;5一照明灯4-测微分划板盒;5一零位调整旋钮;6一照明灯

JJG571-2004

图3读数显微镜外形图之三图4测量显微镜外形图

1一镜筒座盘;2-紧固镖钉;3一分划板盒;1一基座;2-纵向测微鼓轮;3,4一紧固螺钉;5-臂架;

4一目镜;5-测微鼓轮;6一立柱;7-显微镜升降旋钮;8一棱镜座;9一目镜;

6-物镜;7一镜筒10-显微镜管;11一玻璃台;12-圆工作台;

13-横向测微鼓轮;14一反射镜

4计且性能要求

4.1圆工作台受径向力时引起的位移

圆工作台受径向力5N时引起的位移量应不超过0.01mm.

4.2玻璃台面与纵、横向滑板移动方向的平行度

在纵向50mm长度上应不超过0.04mm;在横向13mm长度上应不超过0.01mm.

4.3纵、横向滑板移动的直线度

纵、横向滑板移动的直线度(以角摆表示)应不大于25"0

4.4纵、横向滑板移动的相互垂直度

纵、横向滑板移动的相互垂直度应不超过10.003mm/10mm.

4.5显微镜升降方向对玻璃台面的垂直度

显微镜升降方向对玻璃台面的垂直度应不超过5'a

4.6圆工作台的示值误差

圆工作台的最大允许误差6'0

4.7显微镜的示值误差

最大允许误差见表1要求。

4.8回程误差

最大允许误差见表1要求。

JJG571-2004

表1显微镜物镜放大倍数误差、回程误差和示值误差的要求

最大允许误差/tam

仪器名称分度值/mm

物镜放大倍