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JJG 1108-2023 English PDF

US$359.00 · In stock
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JJG 1108-2023: Railway Switch Offset Rules
Status: Valid

JJG 1108: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 1108-2023	English	359	Add to Cart	4 days [Need to translate]	Railway Switch Offset Rules	Valid	JJG 1108-2023
JJG 1108-2015	English	599	Add to Cart	4 days [Need to translate]	Verification Regulation of Railway Switch Offset Rules	Obsolete	JJG 1108-2015

Standard similar to JJG 1108-2023

JJF 1030 JJG 1110 JJF 1108

Basic data

Standard ID	JJG 1108-2023 (JJG1108-2023)
Description (Translated English)	Railway Switch Offset Rules
Sector / Industry	Metrology & Measurement Industry Standard
Word Count Estimation	16,188
Date of Issue	2023-03-15
Date of Implementation	2023-09-15
Issuing agency(ies)	State Administration for Market Regulation

JJG 1108-2023: Railway Switch Offset Rules

---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.
National Metrology Verification Regulations of the People's Republic of China JJG 1108-2023 railroad gauge Released on 2023-03-15 2023-09-15 Implementation Released by the State Administration for Market Regulation Regulations for Verification of Railway Outriggers SwitchOffsetRules Replace JJG 1108-2015 Responsible Unit: National Railway Measuring Instruments Measuring Technology Committee Special for Railways Length Sub-Technical Committee Main drafting unit: China Railway Shenyang Bureau Group Co:, Ltd: Quality and Technical Supervision Institute China Railway Zhengzhou Bureau Group Co:, Ltd: Quality and Technical Supervision Institute China Railway Beijing Bureau Group Co:, Ltd: Metrology Management Institute China Railway Taiyuan Bureau Group Co:, Ltd: Metrology Institute Participating in the drafting unit: Harbin Antong Rail Technology Development Co:, Ltd: Shijiazhuang Railway Transportation School Factory This regulation entrusts the National Railway Special Measuring Instrument Metrology Technical Committee to divide the railway special length The technical committee is responsible for explaining The main drafters of this regulation: Wang Faping (Quality and Technical Supervision Institute of China Railway Shenyang Bureau Group Co:, Ltd:) Xia Weihua (Quality and Technical Supervision Institute of China Railway Zhengzhou Bureau Group Co:, Ltd:) Cui Haiyan (Measurement Management Institute of China Railway Beijing Bureau Group Co:, Ltd:) Wu Wenjun (Measurement Institute of China Railway Taiyuan Bureau Group Co:, Ltd:) Participating drafters: Liu Xiaoli (Harbin Antong Rail Technology Development Co:, Ltd:) Li Jinqiang (Shijiazhuang Railway Transportation School Factory)

Introduction (Ⅱ) 1 Scope(1) 2 Overview(1) 3 Metrological performance requirements (2) 3:1 Surface roughness of the measuring surface(2) 3:2 Mark width and width difference(2) 3:3 Distance from the edge of the vernier marking surface to the marking surface of the main scale (2) 3:4 Straightness of the reference plane of the ruler body (2) 3:5 Measuring the perpendicularity of the facing rail surface (2) 3:6 The effective height of the measuring surface of the two measuring heads and the measuring surface of the measuring jaw of the pressure measuring plate (2) 3:7 The perpendicularity of the plane formed by the working busbars of the two probes to the reference plane of the ruler body (2) 3:8 The degree of coincidence between the vernier mark and the main scale mark (2) 3:9 Lateral movement of vernier frame or reading device(2) 3:10 Indication error(2) 3:11 Measurement repeatability(2) 3:12 Insulation resistance(2) 4 General technical requirements (2) 4:1 Appearance(2) 4:2 Interaction of various parts (3) 5 Measuring Instrument Control(3) 5:1 Test conditions (3) 5:2 Verification items (3) 5:3 Verification method (4) 6 Handling of test results (6) 7 Verification cycle(6) Appendix A Schematic Diagram of Verifier for Railway Outrigger (7) Appendix B Railway Outrigger Verification Record Form (8) Appendix C Test Certificate and Test Result Notification Inner Page Format (9)

Introduction

JJF1001-2011 "General Metrology Terms and Definitions", JJF1002-2010 "National Metrology Verification Regulations Compilation" "Rules", JJF1059:1-2012 "Assessment and Expression of Measurement Uncertainty" together constitute the basis for revising this regulation series specification: This regulation is based on TB/T 3148-2017 "Railway Inspection and Measuring Instrument Support Distance Ruler", for JJG 1108- 2015 "Railway Support Distance Ruler" was revised: Compared with JJG 1108-2015, the main technical changes except editorial modifications Converted as follows: --- Increased the relevant requirements and verification methods of the digital display railway distance ruler; --- Added the requirements and verification methods for the lateral movement of the vernier frame or reading device; --- Modified the graduation value requirements of the vernier-type distance ruler; --- Modified the straightness requirements of the reference plane of the ruler body; --- The support distance ruler with non-steel materials as the main ruler has been cancelled: The release status of previous versions of this regulation is as follows: ---JJG 1108-2015: Regulations for Verification of Railway Outriggers

1 Scope

This regulation is applicable to the first verification, follow-up verification and use of the railway distance ruler (hereinafter referred to as "the distance ruler") Check in:

2 Overview

The distance ruler is a railway special measuring instrument used to measure the distance distance of the guide curve of the railway turnout: It can be divided into Vernier type and digital display type, the structural diagrams are shown in Figure 1 and Figure 2 respectively: Figure 1 Schematic diagram of the structure of the vernier type distance ruler 1-insulation board; 2-probe; 3-ruler body; 4-pressure measuring board; 5-vernier frame; 6-cursor Figure 2 Schematic diagram of the structure of the digital display distance ruler 1-insulation board; 2-measuring head; 3-ruler body; 4-pressure measuring board; 5-reading device

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