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JJG 887-2014 English PDF

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Upon your order, we will start to translate JJG 887-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version JJG 887-2014?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 887-2014 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$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 887-2014: Verification Regulation of Standard Tapered Roller Tester
Status: Valid

JJG 887: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 887-2014	399	Add to Cart	3 days	Verification Regulation of Standard Tapered Roller Tester	Valid
JJG 887-1995	319	Add to Cart	3 days	Verification Regulation of Standard Tapered Roller Tester	Obsolete

Similar standards

JJG 818 JJG 1114 JJF 1126 JJG 658 JJG 601 JJG 885

Basic data

Standard ID: JJG 887-2014 (JJG887-2014)
Description (Translated English): Verification Regulation of Standard Tapered Roller Tester
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A52
Classification of International Standard: 17.040
Word Count Estimation: 17,174
Date of Issue: 11/17/2014
Date of Implementation: 5/17/2015
Older Standard (superseded by this standard): JJG 887-1995
Quoted Standard: JJG 118; JJF 1331
Regulation (derived from): The State Administration of Quality Supervision, Inspection and Quarantine Notice 2014 No. 125
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This Standard applies to the division value of not more than 0.5��m tapered roller back to standard gauge initial verification, use and subsequent verification check.

JJG 887-2014: Verification Regulation of Standard Tapered Roller Tester

---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.
Verification Regulation of Standard Tapered Roller Tester State verification procedures People's Republic of China Tapered roller standard gauge Issued on. 2014-11-17 2015-05-17 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Tapered Roller meter standard test procedures Replacing JJG 887-1995 NFP. National Engineering Geometrical Parameters Measurement Technology Committee The main drafting units. Shandong Institute of Metrology China Institute of Metrology Yantai Bearing Instrument Co., Ltd. Participated in the drafting unit. Anhui Institute of Metrology Luoyang LYC Bearing Co., Ltd. This procedure works commissioned by the National geometric parameter measurement technology committee responsible for the interpretation The main drafters of this procedure. Jia Minjiang (Shandong Province Institute of Metrology) Zhang Jian (Shandong Province Institute of Metrology) Kang Yanhui (China Institute of Metrology) Xu Qi (Yantai Bearing Instrument Co., Ltd.) Drafters participate. Jiang Yanbo (Shandong Province Institute of Metrology) Hu mountaineering (Anhui Institute of Metrology) Sun Caixia (Luoyang LYC Bearing Co., Ltd.)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Overview (1) 4 metering performance requirements (2) 4.1 workbench working face and the side face baffle surface roughness (2) 4.2 Indicator (2) Face Workbench 4.3 and flatness side fence Face (2) 4.4 carriage moves along the guide rail straightness (2) 4.5 workbench working face and the carriage moving direction parallel (2) 4.6 Face side fence positioning error (2) 4.7 blade-shaped measuring cap Face with the table face parallelism (2) 4.8 Indication error (2) 5 General Requirements (2) 5.1 Appearance (2) 5.2 Interaction of each part (2) 6 Control of measuring instruments (2) 6.1 Verification condition (3) 6.2 Verification Project (3) 6.3 Verification Methods (3) Processing 6.4 Verification Results (5) 6.5 test cycle (5) Appendix A calibration certificate/test results in the notice page and format (6) Appendix B shows the measurement error Evaluation of Uncertainty (10)

Introduction

JJF1002-2010 "national verification procedures write rules", JJF1001-2011 "common terminology and measurement Definitions ", JJF1059.1-2012" Evaluation and Expression of Uncertainty in Measurement group "constitute this regulation revision The foundation of the series specifications. This procedure is JJG 887-1995 "tapered roller standard gauge" amendments. Compared with JJG 887-1995, in addition to editorial changes, the major technical changes are as follows. --- The "Indicator" to "indicator." --- The indication error test consists of main criteria "angle block" to "standard taper gauge." --- Partial name metrological characteristics have been modified, the "Face side guards positioning reliability" to "side Face baffle positioning error ", the" blade-shaped measuring cap correctness "to" knife-shaped measuring cap and the table face flat Parallelism. " --- The surface roughness of the side fences face no more than "Ra0.16μm" changed to "Ra0.2μm". --- Revised measurement methods "carriage moves along the guide rail straightness" of. --- When measuring the "knife edge with the table measuring cap Face Face parallelism", with three-pin 2mm instead Three-pin of 1mm. --- Indication of formula error has been simplified. --- The original statutes of the drawings made simplified. --- Increasing the calibration certificate and test results of notice-page format. The previous versions of this Recommendation published case. JJG 887-1995. Tapered Roller meter standard test procedures

1 Scope

This procedure applies to dividing the value of not more than 0.5μm tapered roller standard gauge initial verification, follow-up inspection And given the use of checks. 2. References This procedure references the following documents. JJG 118 torsion spring comparator JJF1331 Inductance Sensor Calibration Specification For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure.

3 Overview

Tapered roller standard measuring instrument (hereinafter referred to as meter) is the measurement standard tapered roller cone angle, diameter and Straightness instruments, mainly by the indicator, the span of 200mm sine table and so on. Typical junction Instrument Configuration shown in Figure 1. (A) (b)

1 tapered roller standard meter schematic

1- base; 2- rail; 3- carriage; 4- plate; 5- sine; 6,11 Block; 7- side fence; 8- indicator; 9- tapered roller standard parts; 10- Workbench ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 887-2014_English be delivered?

Answer: Upon your order, we will start to translate JJG 887-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJG 887-2014_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 887-2014_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 887-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 887-2014 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.