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JJG 1091-2023 English PDF

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Q: Should I purchase the latest version JJG 1091-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 1091-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$449.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 1091-2023: Calibrators for Inspecting Instruments for Railway Track
Status: Valid

JJG 1091: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 1091-2023	449	Add to Cart	4 days	Calibrators for Inspecting Instruments for Railway Track	Valid
JJG 1091-2013	799	Add to Cart	4 days	Calibrater for Inspecting Instruments for Railway Track	Obsolete

Similar standards

JJF 1030 JJF 1033 JJG 1090

Basic data

Standard ID: JJG 1091-2023 (JJG1091-2023)
Description (Translated English): Calibrators for Inspecting Instruments for Railway Track
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 22,237
Date of Issue: 2023-10-12
Date of Implementation: 2024-04-12
Issuing agency(ies): State Administration for Market Regulation

JJG 1091-2023: Calibrators for Inspecting Instruments for Railway Track

---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 Measurement Verification Regulations of the People's Republic of China Railway track inspection instrument calibration bench forRailwayTrack Released on 2023-10-12 Implemented on 2024-04-12 Released by the State Administration for Market Regulation Railway track inspection instrument calibration bench Calibration procedures Replace JJG 1091-2013 Responsible unit: National Technical Committee on Measurement of Measuring Instruments for Railway Special Purposes length technical committee Main drafting unit: Institute of Standards and Metrology of China Academy of Railway Sciences Group Co:, Ltd: Metrology Management Office of China Railway Beijing Bureau Group Co:, Ltd: Measurement Institute of China Railway Taiyuan Bureau Group Co:, Ltd: Unit participating in the drafting: Chengdu Sifang Ruibang Measurement and Control Technology Co:, Ltd: Sichuan Jinlixin Railway Equipment Co:, Ltd: This regulation is entrusted to the National Railway Special Measuring Instruments Measurement Technical Committee Railway Special Length Division The technical committee is responsible for explaining The main drafter of this regulation: Guo Yishi (Institute of Standards and Metrology, China Academy of Railway Sciences Group Co:, Ltd:) Wang Yanchun (Institute of Standards and Metrology, China Academy of Railway Sciences Group Co:, Ltd:) Cui Haiyan (Measurement Management Office of China Railway Beijing Bureau Group Co:, Ltd:) Wu Wenjun (Measurement Institute of China Railway Taiyuan Bureau Group Co:, Ltd:) Participating drafters: Fan Shangjun (Chengdu Sifang Ruibang Measurement and Control Technology Co:, Ltd:) Li Shejun (Sichuan Jinlixin Railway Equipment Co:, Ltd:)

Introduction(Ⅱ) 1 Scope(1) 2 Cited documents(1) 3 Overview(1) 4 Measurement performance requirements (3) 4:1 Measuring range(3) 4:2 Structural parameters (3) 4:3 Surface roughness(3) 4:4 Straightness of long beam working surface (3) 4:5 Height difference between fixed beam and movable beam top working surface (3) 4:6 Coplanarity of working surfaces on top of fixed beams and movable beams (3) 4:7 Lateral movement caused by the swing of the movable beam (3) 4:8 Ultra-high recurrence value(4) 4:9 Gauge recurrence value(4) 4:10 Trajectory and high and low recurrence values (4) 4:11 Working rod length(4) 5 General technical requirements(4) 5:1 Appearance(4) 5:2 Interaction of various parts (4) 5:3 Display device(4) 6 Measuring instrument control(5) 6:1 Verification conditions (5) 6:2 Verification items (6) 6:3 Calibration method(7) 6:4 Processing of verification results (11) 6:5 Calibration cycle(11) Appendix A Railway track inspection instrument calibration bench calibration record reference format (12) Appendix B Calibration Certificate/Calibration Result Notification Inner Page Format (14)

Introduction

JJF1001-2011 "General Metrology Terms and Definitions", JJF1002-2010 "Compilation of National Metrology Verification Regulations" Rules" and JJF1059:1-2012 "Evaluation and Expression of Measurement Uncertainty" jointly form the basis for formulating this regulation Series specifications: This regulation is to meet TB/T 3147-2020 "Railway Track Inspection Instrument" and JJG 1090-2023 To meet the needs of "Railway Track Inspection Instrument", etc:, JJG 1091-2013 "Railway Track Inspection Instrument Calibration Bench" will be revised: order: Compared with JJG 1091-2013, in addition to editorial modifications, the main technical changes are as follows: ---Added a "T" type structural form verification platform; ---Deleted the requirements for the Level II calibration bench and the corresponding calibration methods; ---Deleted the requirement of "parallelism between the side working surfaces of two long beams" and the corresponding verification method; ---Change the "height difference between the top working surfaces of two long beams" to "the height difference between the top working surfaces of fixed beams and movable beams", and Corresponding calibration methods have been adjusted; ---Change "coplanarity of the working surfaces on the top of two long beams" to "coplanarity of the working surfaces on the top of fixed beams and movable beams", And the corresponding calibration methods have been adjusted; ---Added requirements for track gauge and ultra-high recurrence value, and adjusted corresponding calibration methods; ---The distribution of calibration points for superelevation, orbit, and height has been uniformly adjusted; ---Added non-zero standard measuring rod: Previous version releases of this procedure: ---JJG 1091-2013: Calibration regulations for railway track inspection instrument calibration benches

1 Scope

This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of railway track inspection instrument calibration benches:

2 cited documents

This procedure cites the following documents: JJG 146 gauge block For dated references, only the dated version applies to this regulation; for undated references, only the dated version applies: The latest version (including all modification orders) shall apply to this regulation:

3 Overview

The railway track inspection instrument calibration bench (hereinafter referred to as the "calibration bench") is used to test the railway track inspection instrument (hereinafter referred to as the "calibration bench"): "Track Inspection Instrument") is used for the verification of track gauge, superelevation, basic chord track direction, basic chord height, etc: It is divided into T-type according to its structural form: and H type, its structural diagram is shown in Figure 1: The calibration bench can be configured with an external parameter calibration device, which is used to calibrate the rail inspection instrument with external parameter measurement function: The schematic diagram is shown in Figure 2: The calibration bench can be equipped with an auxiliary calibration unit (must meet the collinear requirements of long beams in the rail and height directions), which is used for light The schematic diagram of the calibration of the long chord and vector distance method rail inspection instrument is shown in Figure 3: (a) T-shaped calibration bench Figure 1 Structural diagram of the calibration bench ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 1091-2023_English be delivered?

Answer: Upon your order, we will start to translate JJG 1091-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJG 1091-2023_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 1091-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JJG 1091-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 1091-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.