JJF 1091-2002 English PDF

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JJF 1091-2002: Calibration Specification for Micrometers for Measuring Inside Dimension
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1091-2002	719	Add to Cart	5 days	Calibration Specification for Micrometers for Measuring Inside Dimension	Obsolete

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Basic data

Standard ID: JJF 1091-2002 (JJF1091-2002)
Description (Translated English): Calibration Specification for Micrometers for Measuring Inside Dimension
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A52
Word Count Estimation: 18,145
Date of Issue: 2002-11-04
Date of Implementation: 2003-05-04
Older Standard (superseded by this standard): JJG 378-1985; JJG 23-1988
Quoted Standard: GB/T 6314; JB/T 10006; JJF 1001; JJF 1059
Regulation (derived from): AQSIQ Announcement No. 74 of 2013
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine

JJF 1091-2002: Calibration Specification for Micrometers for Measuring Inside Dimension

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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 Scope (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 uses the rotation (or movement) of the threaded cone (or smooth cone) to push the three measuring jaws into The measuring instrument for measuring the aperture of the line has a shape as shown in Fig. 2. The internal micrometer is usually made in the following series (in mm). 5~30; 25~50; 50~75; 75~100; 100~125; 125~150. Aperture micrometers are usually made in the following series (in mm). 6~8;8~10;10~12;11~14;14~17;17~20;20~25;25~30;30~35;35~ 40; 40~50; 50~60; 60~70; 70~80; 80~90; 90~100; 100~125; 125~150; 150~ ......

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