GMW GMW15451-2012 Weld Strength of Non-metallic Fuel Tank Components Issue 2 English.pdf

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1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW15451 Weld Strength of Non-metallic Fuel Tank Components Copyright 2012 General Motors Company All Rights Reserved September 2012 Originating Department: North American Engineering Standards Page 1 of 2 1 Scope Note: Nothing in this standard superce

2、des applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. This standard is used to determine the strength of welded components such as nipples, clamps, hoses, reservoir and retention rings a

3、ttached to non-metallic fuel tanks. 1.2 Foreword. Not applicable. 1.3 Applicability. Fuel tanks. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. None 3 Resources 3.1 Faciliti

4、es. Not applicable. 3.2 Equipment. 3.2.1 Tensile machine with 22 000 N capacity. 3.2.2 Test fixture capable of restraining test sample in tensile machine. 3.3 Test Vehicle/Test Piece. Production fuel tank cut to allow torque testing on the welded components. 3.4 Test Time. Not applicable. 3.5 Test R

5、equired Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. Not applicable. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requireme

6、nts shall be specified on component drawings, test certificates, reports, etc. 4.3 Instructions. 4.3.1 Secure the sample in the test fixture. 4.3.2 Pull the welded component in a direction normal to the surface of the fuel tank at a rate of 50 mm/minute following the manufacturers suggested operatin

7、g procedures. 4.3.3 Record the tensile force required to separate the welded component from the body of the fuel tank in newtons. 4.3.4 Test is terminated when the component weld fractures. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo rep

8、roduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15451 Copyright 2012 General Motors Company All Rights Reserved September 2012 Page 2 of 2 5 Data 5.1 Calculations. The maximum recorded force (the force when the weld fractures) shall be compared wi

9、th the strength requirement of the component (see component specification). 5.2 Interpretation of Results. If the maximum recorded force is higher than the strength required for the component, test is passed. 5.3 Test Documentation. Report the maximum (force to break) in newtons. If tensile machine

10、is equipped with print, add the force diagram to the test report. 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of the user of this standard to est

11、ablish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding System This standard shall be referenced in other documents, drawings, etc.,

12、 as follows: Test to GMW15451 9 Release and Revisions This standard was originated in October 2006. It was first approved by the Global Plastics Committee in November 2006. It was first published in April 2007. Issue Publication Date Description (Organization) 1 APR 2007 Initial publication. 2 SEP 2012 Five year refresh of standard. (Plastics Global Subsystem Leadership Team) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-