JJF 1091-2002

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Related Standard	Status	PDF
JJF 1091-2002	English	719	Add to Cart	5 days	Calibration Specification for Micrometers for Measuring Inside Dimension	JJF 1091-2002	Obsolete	JJF 1091-2002

JJF 1091-2002
Calibration Specification for Micrometers for Measuring Inside Dimension
National Metrology Technical Specification of the People's Republic
Measuring internal size micrometer calibration specification
Released on November 11,.2002
Implementation of.2003-05-04
The General Administration of Quality Supervision, Inspection and Quarantine issued
Instead of JJG378-1985
JJG23-1988
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on November 4,.2002, and
It will take effect on May 4,.2003.
Focal Point. National Geometric Quantity Engineering Measurement Technology Committee
Main drafting unit. Heilongjiang Province Metrology Test and Test Institute
Participated in the drafting unit. Qinghai Measuring Tool Limited Liability Company
This specification is interpreted by the focal point
The main drafters of this specification.
Zhang Liping (Heilongjiang Metrological Testing and Testing Institute)
Liang Yuhong (Heilongjiang Metrological Testing and Testing Institute)
Ma Zhonghuan (Jilin Metrology Calibration Test Institute)
Participate in the drafters.
Liu Wenbin (Heilongjiang Metrological Testing and Testing Institute)
Zhang Hongling (Qinghai Measuring Tool Limited Liability Company)
Li Xuhui (Heilongjiang Metrological Testing and Testing Institute)
table of Contents
1 range (1)
2 Citations (1)
3 Overview (1)
4 Measurement characteristics (2)
4.1 Force (2)
4.2 scribe line width and width difference (2)
4.3 The distance from the end edge of the tapered cone to the scribed plane of the fixed sleeve (2)
4.4 The relative position of the end face of the differential cone and the millimeter line of the fixed sleeve (2)
4.5 Surface roughness of the measuring surface (2)
4.6 Measuring the radius of the arc of the measuring surface of the claw and the parallelism of the plain line (2)
4.7 indication error (3)
4.8 Diameter deviation and diameter variation of the ring gauge for proofreading (3)
5 Calibration conditions (3)
5.1 Environmental conditions (3)
5.2 Measuring Standards and Other Equipment (3)
6 Calibration items and calibration methods (4)
6.1 Force measurement (4)
6.2 scribe line width and width difference (4)
6.3 Distance from the edge of the tapered cone of the differential cone to the line of the fixed sleeve (4)
6.4 The relative position of the end face of the differential cone and the millimeter line of the fixed sleeve (4)
6.5 Surface roughness of the measuring surface (5)
6.6 Measuring the arc radius and the parallelism of the prime line on the measuring surface of the claw (5)
6.7 indication error (5)
6.8 Diameter deviation and diameter variation of the ring gauge for proofreading (5)
7 Calibration result expression (6)
8 re-study interval (6)
Appendix A Measurement Uncertainty Analysis of Internal Measurement Micrometer Indication Error Calibration Results (7)
Appendix B Measurement Uncertainty Analysis of Aperture Micrometer Indication Error Calibration Results (10)
Appendix C Calibration Certificate Contents (13)
Measuring internal size micrometer calibration specification
1 Scope
This specification applies to internal measurement micrometers and division values with a graduation value of 0.01 mm and a measurement range of (5 to 150) mm.
0.005mm, 0.01mm, measuring range (6~200)mm aperture micrometer (three-jaw inner micrometer)
calibration.
2 Citations
This specification refers to the following documents.
GB/T 6314-1986 three-claw inner diameter micrometer
JB/T 10006-1999 internal measuring micrometer
JJF 1001-1998 General measurement terms and definitions
JJF 1059-1999 Measurement Uncertainty Evaluation and Representation
Use of this specification should be done with the current valid version of the above cited documents.
3 Overview
The internal measuring micrometer is a spiral auxiliary structure, which is a measuring instrument that converts the rotary motion into a linear motion.
In-volume size, its shape is shown in Figure 1.
figure 1
The aperture micrometer use