GB/T 39166-2020 English PDF

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GB/T 39166-2020: Test method of mechanized peel for resistance spot, projection and seam welds
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39166-2020	339	Add to Cart	4 days	Test method of mechanized peel for resistance spot, projection and seam welds	Valid

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GB/T 40741   GB/T 37778   GB/T 37910.2   GB/T 39167   GB/T 39165   

Basic data

Standard ID: GB/T 39166-2020 (GB/T39166-2020)
Description (Translated English): Test method of mechanized peel for resistance spot, projection and seam welds
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J33
Classification of International Standard: 25.160.40
Word Count Estimation: 18,145
Date of Issue: 2020-10-11
Date of Implementation: 2021-05-01
Regulation (derived from): National Standard Announcement No. 21 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39166-2020: Test method of mechanized peel for resistance spot, projection and seam welds

---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.
Test method of mechanized peel for resistance spot, projection and seam welds ICS 25.160.40 J33 National Standards of People's Republic of China Mechanical peel test method for resistance spot welding, projection welding and seam welding joints 2020-10-11 released 2021-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Equipment 2 5 Sample 3 6 Test procedure 7 7 Repeat test 8 8 Test report 8 Appendix A (informative appendix) Structural changes of this standard compared with ISO 14270.2016 9 Appendix B (informative appendix) The technical differences between this standard and ISO 14270.2016 and their reasons list 10 Appendix C (informative appendix) The influence of solder joint position on test results 11 Appendix D (informative appendix) Example of bending method 12 Appendix E (informative appendix) Measurement of bending center position of bending system 14 Appendix F (Normative Appendix) Seam Welding Dimensions Measurement 16

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafting method to amend and adopt ISO 14270.2016 "Destructive Test of Resistance Welding Seam Resistance Spot Welding, Seam Welding" Specimen dimensions and procedures for mechanical peeling test of projection welded joints. Compared with ISO 14270.2016, this standard has many structural adjustments. Appendix A lists this standard and ISO 14270.2016. A list of changes in the chapter number Compared with ISO 14270.2016, this standard has technical differences, and the clauses involved in these differences have been passed in the outer margins. The set vertical single line (|) is marked, and Appendix B gives a list of the corresponding technical differences and their reasons. This standard also made the following editorial changes. ---Modified the standard name; ---References are deleted. This standard was proposed and managed by the National Welding Standardization Technical Committee (SAC/TC55). Drafting organizations of this standard. CRRC Dalian Locomotive and Rolling Stock Co., Ltd., Harbin Welding Research Institute Co., Ltd., Fuyang Shengda, Anhui Province Machinery Co., Ltd., Shanghai Materials Research Institute, CRRC Qingdao Sifang Locomotive and Rolling Stock Co., Ltd., CRRC Changchun Rail Vehicle Co., Ltd. Company, Dongying Yuanjie Petroleum Machinery Co., Ltd., Dongfeng Motor Group Co., Ltd. Passenger Vehicle Company. The main drafters of this standard. Liao Rongqi, Ma Yiming, Li Jingying, Jiang Yinglong, Wang Bin, Su Jinhua, Li Gangqing, Zhang Yong, Li Haiwei, Zhang Ligui. Mechanical peeling of resistance spot welding, projection welding and seam welding joints experiment method

1 Scope

This standard specifies the mechanical peeling test equipment, test equipment and test equipment for the single welding point (weld seam) of resistance spot welding, projection welding and seam welding of metallic materials. Samples, test procedures, repeated tests and test reports. This standard applies to metal plates with a thickness of 0.5mm~5.0mm, a maximum solder joint diameter of 7t and less than 12mm (t is the plate thickness, when the plate thickness is At different times, t is the thickness of the thinner plate) resistance welding joint.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 3375 welding terminology GB/T 16825.1 Inspection of static uniaxial testing machine Part 1.Inspection and calibration of force measuring system of tensile and (or) compression testing machine Standard (GB/T 16825.1-2008, ISO 7500-1.2004, IDT)

3 Terms and definitions

The following terms and definitions defined in GB/T 3375 apply to this document. 3.1 Mechanical peel test Mechanical equipment is used to apply the peeling force acting in the thickness direction of the solder joints to conduct destructive tests of resistance welding lap joints. 3.2 Mechanical peel force The force applied to the specimen during the mechanical peel test. 3.3 Multi-spot welding Spot welding of two or more welding points with two or more pairs of electrodes at the same time or according to automatic control procedures. 3.4 Solder joint diameter After the destructive test, without the help of metallographic inspection, the average diameter of the melting area measured on the bonding surface. 3.5 Minimum seam welding width During seam welding, the minimum nugget width measured on the bonding surface. ......

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