1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW16982 Cold Slam Test Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 1 of 13 1 Scope Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domesti
2、c language, the English language shall take precedence. 1.1 Purpose. Evaluate cold slam durability for exterior attached components. 1.2 Foreword. Not applicable. 1.3 Applicability. This standard describes a test procedure to determine the cold slam resistance of exterior automotive moldings attache
3、d with pressure sensitive tape to test panels coated with the exterior automotive paint system. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. SAE 1008 2.2 GM Standards/Specifications. GMW15201 3 Resources 3.1 F
4、acilities. 3.1.1 Calibration. The test facilities and equipment shall be in good working order and shall have a valid calibration label. 3.1.2 Alternatives. Alternative test facilities and equipment may also be used. However, all measuring variables as specified in this standard shall be determined
5、correctly with respect to their physical definition. 3.2 Equipment. 3.2.1 Refer to Appendix A, Figures A1 through A14 for fixture details. 3.2.2 Cold box or room capable of maintaining -30 C. 3.3 Test Vehicle/Test Piece. Not applicable. 3.4 Test Time. Not applicable. 3.5 Test Required Information. N
6、ot applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. 4.1.1 Cold Rolled Steel (CRS) Panels 100 mm 300 mm 0.90 mm, SAE 1008 painted one (1) side with current exterior paint. 4.1.2 The length of the molding specimen shall be 150 mm minimum with 12.7 mm wide pressure sensiti
7、ve tape. Prior to tape application, molding shall be wiped with a 1:1 dilution of isopropyl alcohol and distilled water. Solvent shall be wiped dry with a lint free clean cloth, and air dried prior to application of tape. Copyright General Motors Company Provided by IHS under license with General Mo
8、tors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 2 of 13 4.1.3 Laminate double-coated foam tape (non-liner side) to molding. 4.1.4 Roll
9、 one (1) time with a 6.8 kg roller at a rate of approximately 30 cm/minute. 4.1.5 Painted panels shall be wiped with a 1:1 dilution of isopropyl alcohol and distilled water. Solvent shall be wiped dry with a lint free clean cloth, and air dried prior to application of tape. Painted panels shall not
10、be reused. 4.1.6 Remove the tape release liner and apply to the painted test panel. Roll two (2) times in same direction with a 6.8 kg roller a rate of approximately 30 cm/minute. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 Test Conditions. Deviations from the requirements
11、of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.3 Instructions. 4.3.1 Test Procedure. 4.3.1.1 The fixture and test panels are to be conditioned at the specified temperature for a minimum of 4 h. 4.3.1.2 The
12、test panel is put in slide on the hinged door with the moldings horizontal. 4.3.1.3 The hinged door is lifted from the vertical 90 to horizontal and then released for free fall. The number of slams shall be per GMW15201. Base of fixture to be fixed during test. 4.3.1.4 Record degree of molding separ
13、ation from test panel after each slam. Partial or complete separation is considered failure. 5 Data 5.1 Calculations. Not applicable. 5.2 Interpretation of Results. Not applicable. 5.3 Test Documentation. Not applicable. 6 Safety This standard may involve hazardous materials, operations, and equipme
14、nt. 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Not
15、applicable. 7.2 Acronyms, Abbreviations, and Symbols. CRS Cold Rolled Steel SAE SAE International 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Test to GMW16982 9 Release and Revisions This standard was originated in June 2013. It was first approve
16、d by the Adhesives Global Subsystem Leadership Team in August 2013. It was first published in August 2013. Issue Publication Date Description (Organization) 1 AUG 2013 Initial publication. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo repr
17、oduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 3 of 13 Appendix A Figure A1: Overall Cold Slam Fixture Copyright General Motors Company Provided by IHS under license
18、with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 4 of 13 Figure A2: Item 1 Referenced in Fixture Drawing Copyright Gener
19、al Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 5 of 13 Figure A3: Item
20、 2 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights R
21、eserved August 2013 Page 6 of 13 Figure A4: Item 3 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Co
22、pyright 2013 General Motors Company All Rights Reserved August 2013 Page 7 of 13 Figure A5: Item 4 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-
23、,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 8 of 13 Figure A6: Item 5 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or
24、networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 9 of 13 Figure A7: Item 6 Referenced in Fixture Drawing Figure A8: Item 7 Referenced in Fixture Drawing Copyright General Motors Co
25、mpany Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 10 of 13 Figure A9: Item 8 Referenc
26、ed in Fixture Drawing Figure A10: Item 9 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 20
27、13 General Motors Company All Rights Reserved August 2013 Page 11 of 13 Figure A11: Item 10 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WO
28、RLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 12 of 13 Figure A12: Item 11 Referenced in Fixture Drawing Figure A13: Item 12 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General M
29、otors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16982 Copyright 2013 General Motors Company All Rights Reserved August 2013 Page 13 of 13 Figure A14: Item 13 Referenced in Fixture Drawing Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
