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JJF 1475-2014 English PDF

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US$369.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1475-2014: Calibration Specification for Spring Hammers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1475-2014	369	Add to Cart	3 days	Calibration Specification for Spring Hammers	Valid

Similar standards

GB/T 36126 JJF 1368 GB/T 1885 JJF 1466 JJF 1469 JJF 1465

Basic data

Standard ID: JJF 1475-2014 (JJF1475-2014)
Description (Translated English): Calibration Specification for Spring Hammers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 16,199
Date of Issue: 8/25/2014
Date of Implementation: 11/25/2014
Quoted Standard: GB/T 2423.55-2006
Regulation (derived from): People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine Notice 2014 (No. 95); AQSIQ Notice 2014 No. 95
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This Standard applies to the impact energy of (0. 20 ~ 2. 00) J spring impactor calibration.

JJF 1475-2014: Calibration Specification for Spring Hammers

---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 Spring Hammers People's Republic of China National Metrology Technical Specifications Spring impactor calibration specification Issued on. 2014-08-25 2014-11-25 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Spring impactor calibration specification SpringHammers Focal point. the National Technical Committee on Metering hardness force value Main drafting unit. Beijing Aerospace Institute of Measurement and Testing Technology Zhejiang Dacheng Electric Co., Ltd. Shenzhen Academy of Metrology and Quality Inspection Measurement and Testing Institute in Suzhou City Participated in the drafting unit. Jiangsu Province Institute of Metrology Anhui Institute of Metrology This specification entrust national force value hardness measurement technical committee responsible for the interpretation The main drafters of this specification. Wang tris (Beijing Aerospace Measurement and Testing Technology Research Institute) Mei Hongwei (Beijing Aerospace Measurement and Testing Technology Research Institute) Liu Sheng (Zhejiang Dacheng Electric Co., Ltd.) Huangshi Yuan (Shenzhen Quality Inspection Institute of Metrology) Yao Ming (Suzhou City Metrology Institute) Drafters participate. Liu Wei (Jiangsu Province Institute of Metrology) Xu Guang (Anhui Institute of Metrology)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Terms (1) 4 Overview (1) 5 Metrological characteristics (1) Hammerhead spherical radius 5.1 (1) 5.2 release force (2) Indent 5.3 hammer vertex distance (2) 5.4 Impact Energy Indication (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Calibration with standard equipment (2) 7 calibration items and calibration methods (2) Hammerhead spherical radius 7.1 (2) 7.2 release force (2) Indent 7.3 hammer vertex distance (2) 7.4 Impact Energy Indication (2) 8 calibration results expression (3) 9 Recalibration interval (4) Appendix A spring impactor calibration reference the original record format (5) Appendix B of the spring shock calibration Uncertainty Evaluation Method and Case (7)

Introduction

This specification "National Calibration Specifications writing rules," according to JJF 1071-2010, JJF 1001-2011 "Tong Metering terms and definitions ", JJF 1059.1-2012" Evaluation and Expression of Uncertainty in Measurement write "Rules. This specification in the development process to fully consider the national standard GB/T 2423.55-2006 "ring electric and electronic products Environmental test - Part 2. Test methods - Test Eh. Hammer tests ", IEC 60068-2-75" Environmental testing-Part 2-75. Tests, TestEh. Hammertests ", this specification gives the meter calibration spring impactor Quantity characteristics calibration conditions, calibration items and calibration methods. This specification is the first release. Spring impactor calibration specification

1 Scope

This standard applies to the impact energy is (0.20 ~ 2.00) J spring impactor calibration. 2. References This specification references the following technical documents. GB/T 2423.55-2006 Environmental testing for electric and electronic products Part 2. Test methods - Test Eh. Hammer Hit test For dated references, only the dated edition applies to this calibration practices; undated references the File, the latest edition (including any amendments) applies calibration specification.

3 Terms

Impact energy impactenergy When spring horizontal impactor, the impact energy during impact element released.

4 Overview

Spring impactor is an electrical and electronic equipment and accessories, and similar devices used, according to the predetermined direction, energy And the number of times the test apparatus impact. Impactor spring by the impact member, a spring-loaded release mechanism and shell and other components, as shown in FIG. 1- release cone; 2- cone spring release; 3 - release lever; 4- Release spring; 5- Release key; 6- operating button; 7- hammer; 8- hammer spring; 9- hammer

1 spring impactor Schematic diagram

5 Metrological characteristics

5.1 hammerhead spherical radius Hammerhead spherical radius of 10mm ± 0.2mm. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1475-2014_English be delivered?

Answer: Upon your order, we will start to translate JJF 1475-2014_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 JJF 1475-2014_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1475-2014_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.