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JJF 1595-2016: Calibration Specification for Portable Brinell Hardness Testers
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Calibration Specification for Portable Brinell Hardness Testers
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JJF 1595-2016
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Basic data | Standard ID | JJF 1595-2016 (JJF1595-2016) | | Description (Translated English) | Calibration Specification for Portable Brinell Hardness Testers | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A53 | | Word Count Estimation | 20,298 | | Date of Issue | 2016-11-30 | | Date of Implementation | 2017-02-28 | | Older Standard (superseded by this standard) | JJG 870-1994; JJG 411-1997 | | Regulation (derived from) | State Administration of Quality Supervision, Inspection and Quarantine Notice No.119 of 2016 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | JJF 1595-2016: Calibration Specification for Portable Brinell Hardness Testers---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 Portable Brinell Hardness Testers
National Metrological Technical Code of the People's Republic of China
Standard Specification for Portable Brinell Hardness Tester
2016-11-30 release
2017-02-28 Implementation
State Administration of Quality Supervision, Inspection and Quarantine issued
Standard Specification for Portable Brinell Hardness Tester
Instead of JJG411-1997
JJG870-1994
Unit. National force hardness measurement technology committee
The main drafting unit. China Aviation Industry Beijing Great Wall Metrology and Testing Technology Research Institute
Shanghai Institute of Metrology and Testing Technology
Shenyang Star Test Equipment Co., Ltd
Participate in the drafting unit. Quanzhou Fortress Donghai instrument hardness block factory
Laizhou Huayin Test Instrument Co., Ltd
Liaoning Institute of Metrology
This specification entrusts the National Strength Hardness Metrology Technical Committee to explain
The main drafters of this specification.
Shi Wei (China Aviation Industry Beijing Great Wall Measurement and Testing Technology Research Institute)
Xu Ming (China Aviation Industry Beijing Great Wall Metrology and Testing Technology Research Institute)
Yu Weiliang (Shanghai Institute of Metrology and Testing Technology)
Zhang Fenglin (Shenyang Star Star Experimental Instrument Co., Ltd.)
Participate in the drafters.
Chen Jun pay (Quanzhou Fengze Donghai instrument hardness block factory)
Wang Jingtao (Laizhou Huayin Test Instrument Co., Ltd.)
Liu Wei (Liaoning Institute of Metrology)
table of Contents
Introduction (II)
1 Scope (1)
2 References (1)
3 Terminology (1)
4 Overview (1)
4.1 Principles (1)
4.2 Hardness Tester Structure (2)
5 Metrological characteristics (3)
5.1 Appearance and general requirements (3)
5.2 Test force (4)
5.3 hardness test value (4)
6 Calibration conditions (4)
6.1 Environmental conditions (4)
6.2 Calibration device (4)
7 Calibration items and calibration methods (5)
7.1 Check before calibration (5)
7.2 Calibration of test force (5)
7.3 Calibration of hardness test (5)
8 Calibration results (6)
9 re-school time interval (6)
Appendix A Impact Hardness Tester Indentation Diameter vs. Brinell Hardness Value Table (7)
Appendix B Standard hammering Brinell hardness blocks (8)
Appendix C hammer hardness tester indentation diameter and Brinell hardness value of the table (9)
Appendix D Check pin hardness tester indentation diameter and Brinell hardness value table (10)
Appendix E Calibration Record Format (11)
Appendix F Calibration Certificate Inside Page Format (12)
Appendix G Methods and Examples for Uncertainty Evaluation of Indication Error of Portable Brinell Hardness Tester (13)
Introduction
This specification is based on the rules set forth in JJF 1071-2010 "Rules for the Preparation of National Metrological Calibration Standards".
The specification in the development process to fully consider the JJG150-2005 "metal Brinell hardness", GB/T 231.1-
2009 "Brinell hardness test for metallic materials - Part 1. Test methods", GB/T 231.2-2012 "Metallic materials
Brinell hardness test - Part 2. Test and calibration of durometer, GB/T 231.3-2012 "Metallic materials
Brinell hardness test Part 3. Calibration of standard hardness blocks, ISO 6506-1..2014 Metalicmate-
rials-Brinelhardnesstest-Part 1. Testmethod, ISO 6506-2..2014 Metalicmate-
rials-Brinelhardnesstest-Part 2. Verificationandcalibrationoftestingmachines,
ISO 6506-3..2014 Metalicmaterials-Brinelhardnesstest-Part 3. Calibrationof
referenceblocks, ASTM E110-14 StandardTestMethodforRockwelandBrinel
Hardness of Metalic Materialsby Portable HardnessTesters and ASTM A833-08a
(2014) StandardPracticeforIndentationHardnessofMetalicMaterialsbyCompari-
sonHardnessTesters and other relevant terms of the terms, symbols and definitions, and related technical requirements, technical means
Standard and test method. This specification gives specific calibration conditions for calibration characteristics of portable Brinell hardness, calibration items, and
Calibration method.
This specification replaces JJG411-1997 "hammered Brinell hardness tester" and JJG870-1994 "portable Brinell
Hardness Tester". Compared with JJG411-1997 and JJG870-1994, in addition to editorial changes, the main technical specifications
The changes are as follows.
--- increase the static force of the portable Brinell hardness of the relevant content;
--- increase the test of the calibration project;
--- increase the Brinell hardness scale HBW;
- Removed the requirements of the portable standard Brinell hardness block (formerly JJG870-1994 Appendix 2);
--- increase the hammer hardness tester indentation diameter and Brinell hardness value of the formula;
--- increase the portable hardness tester indentation diameter and Brinell hardness value of the table;
Increased uncertainty assessment methods and examples;
--- Added record format and certificate page format.
Standard Specification for Portable Brinell Hardness Tester
1 Scope
This specification applies to the calibration of a portable Brinell hardness tester (75 to 650) HB.
2 reference file
This specification refers to the following documents.
JJG144 standard dynamometer
JJG147-2005 standard metal Brinell hardness
JJG150 metal Brinell hardness tester
For dated references, only the dated edition applies to this specification; references that are not dated
, The latest version (including all modifications) applies to this specification.
3 terminology
The following terms and definitions apply to this specification.
3.1 impact type Brinell hardness tester impacting typebrinelhardnesstester
The use of impact to produce indentation to determine the metal Brinell hardness of the portable measuring instruments.
3.2 hammered Brinell hardness tester hammeringtypebrinelhardnesstester
The indentation was measured by applying a dynamic test force, and the indentation method was used to measure the Brinell hardness
instrument.
3.3 cut pin type Brinell hardness tester pintypebrinelhardnesstester
By cutting the shear stress to control the specific test force to produce indentation, the determination of Brinell hardness of the portable measurement
instrument.
3.4 Type C Brinell Hardness Tester Ctypebrinelhardnesstester
Fixed by the clamping method, and through the hand wheel and screw test force to produce indentation, the determination of Brinell hardness
Belt measuring instruments.
3.5 magnetometer type Brinell hardness tester magnetictypebrinelhardnesstester
Fixed by the magnetic way, and through the hand wheel and screw test force to produce indentation, the determination of Brinell hardness
Belt measuring instruments.
3.6 hydraulic Brinell hardness tester hydraulictypebrinelhardnesstester
The use of hydraulic principle to apply the test force to produce indentation, the determination of Brinell hardness of the portable measuring instruments.
4 Overview
4.1 Principles
Portable Brinell hardness tester by force can be divided into dynamic and static two types.
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