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JJG 62-2017 English PDF

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JJG 62-2017: Feeler Gauges
Status: Valid

JJG 62: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 62-2017English399 Add to Cart 4 days [Need to translate] Feeler Gauges Valid JJG 62-2017
JJG 62-2007English559 Add to Cart 3 days [Need to translate] Verification Regulation of Feeler Gauges Obsolete JJG 62-2007
JJG 62-1995English199 Add to Cart 2 days [Need to translate] Verification Regulation of Feeler Gauge Obsolete JJG 62-1995
JJG 62-1986EnglishRFQ ASK 3 days [Need to translate] Feeler Gauge Obsolete JJG 62-1986

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Basic data

Standard ID JJG 62-2017 (JJG62-2017)
Description (Translated English) Feeler Gauges
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Word Count Estimation 17,159
Date of Issue 2017-11-20
Date of Implementation 2018-05-20
Older Standard (superseded by this standard) JJG 62-2007
Regulation (derived from) AQSIQ Notice 2017 No. 103
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine

JJG 62-2017: Feeler Gauges

---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.
Feeler Gauges National metrological verification regulations of the People's Republic of China Feeler gauge Published on.2017-11-20 2018-05-20 Implementation The State Administration of Quality Supervision, Inspection and Quarantine issued Feeler Verification Procedure Replacing JJG 62-2007 Key units. National Geometrical Engineering Parameter Measurement Technical Committee Drafted by. Liaoning Academy of Metrology Jiangxi Provincial Measurement and Testing Institute Participated in drafting. Jilin Provincial Academy of Metrology Heilongjiang Province Metrological Testing Institute Hunan Institute of Metrology and Inspection This procedure entrusts the National Geometrical Engineering Parameter Measurement Technical Committee to explain The main drafters of this specification. Shi Zuode (Liaoning Academy of Metrology Research) Liu Na (Liaoning Provincial Institute of Metrology) Xiao Yanfan (Jiangxi Institute of Metrology and Measurement) Participating drafters. Yaoxing Yu (Liaoning Provincial Institute of Metrology) Dou Yanhong (Jilin Provincial Institute of Metrology) Zhang Haibo (Heilongjiang Provincial Metrology and Testing Institute) Zeng Tong (Hunan Provincial Institute of Metrology and Measurement)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 Overview (1) 4 Metrological performance requirements (2) 4.1 Surface roughness of the working surface (2) 4.2 Thickness deviation (2) 4.3 Bend (2) 5 General technical requirements (3) 5.1 Appearance (3) 5.2 Interactions Among Parts (3) 6 Measuring Instruments Control (3) 6.1 Verification conditions (3) 6.2 Verification Projects and Main Verification Appliances (3) 6.3 Verification Methods (3) 6.4 Processing of verification results (5) 6.5 Verification period (5) Appendix A Evaluation Example of Measurement of Uncertainty in Measurement of Gauge Thickness Deviation (6) Appendix B Inside Information and Format of Certificate of Accreditation and Notification of Verification Results (9)

Introduction

JJF1001-2011 "General Measurement Terms and Definitions", JJF1002-2010 "National Measurement Authentication Regulations" Writing Rules" and JJF1059.1-2012 "Assessment and Expression of Uncertainty in Measurement" together constitute the revision work of this regulation. Basic series of technical regulations. This regulation is an amendment to the JJG 62-2007 "Feeder Ruler", which was cited and referenced in the revision process. GB/T 22523-2008 Feeler gauge. Compared with the JJG 62-2007 Feet Rule, except for editorial changes In addition, the main changes are as follows. --- Removed the requirement for length in the range, added the expression of the commonly used feeler specification in the overview; --- Abolished the term "bending"; --- Specifies the front and back sides of the feeler blade and the order of measurement according to the front and back; --- Abolished the "hardness" test project; --- According to "A type", "B type" to determine the "thickness deviation" measurement point distribution; ---Repeated the "deflection at the thickness maximum value as the feeler thickness deviation" and added the thickness deviation ei The calculation method; --- Re-evaluate the uncertainty of measurement result of gauge thickness deviation. The previous version of this regulation was released. ---JJG 62-1995 gauge; --- JJG 62-2007 gauge. Feeler Verification Procedure

1 Scope

This procedure is applicable to the first verification, follow-up verification and use of thickness gauges (0.02~3.00) mm. an examination.

2 references

This procedure refers to the following documents. GB/T 22523-2008 feeler gauge For dated references, only the dated version applies to this procedure; any undated references The latest version (including all amendments) applies to this regulation.

3 Overview

The feeler gauge is a physical gauge with a fixed thickness and is mainly used for gap detection. The feeler gauge is generally composed of groups of multiple sheets It can also be used monolithically. The structure of the type I feeler is shown in Fig. 1. Fig. 1(a) is a group I type feeler, Fig. 1(b) For a single piece of I feeler. The structure of the type II feeler is shown in Fig. 2, and Fig. 2(a) is a group II type feeler, Fig. 2(b) A one-piece type II feeler. a) Type I b) Type I monolithic Fig.1 Schematic diagram of I-shaped feeler 1 - feeler blade; 2 - protective plate; 3 - coupling piece; 4 - front (character lettering) surface; 5 - reverse side; 6 - work area; 7 - non-working area

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