GMW GMW16959-2013 Zippers Issue 1 English [Replaced GMNA GM2705M GMNA GM2705M].pdf

1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16959 Zippers Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 1 of 7 1 Scope This specification describes a zipper to aid in the trimming operation of automotive interiors and other miscellaneous applications. 1.1 Ma

2、terial Description. 1.1.1 Type 1. Continuous polyester monofilament zipper elements with texturized polyester tape construction, or approved equivalent. 1.1.2 Type 2. Zippers with elements made of aluminum 5056 with black baked enamel finish, W25A-848 or approved equivalent. Tape construction to be

3、100% texturized polyester or approved equivalent. Note: Type 2 strength requirements 3.2.3 and 3.2.6 also apply to light and medium duty zippers for armrest or headrest applications (see 3.2.10, Table 2 and 3.2.11). 1.1.3 Type 3. Continuous polyester monofilament zipper elements with texturized poly

4、ester tapes or approved equivalent. Used as Invisible zippers. 1.2 Symbols. Not applicable. 1.3 Typical Applications. Automotive interior. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM D2050 ISO 105-A02 IS

5、O 105-B06 ISO 2589 ASTM D2061 ISO 105-A03 ISO 105-X12 ISO 10751 2.2 GM Standards/Specifications. GMW3059 GMW3221 GMW3235 GMW6992 GMW3205 GMW3232 GMW3417 2.3 Additional References. Intertek Lab, TMC003 Material Safety Data Sheet guidance documents (available at ). 3 Requirements 3.1 Requirements on

6、Test Specimens. 3.1.1 Standard Conditions (GMW3221-A). All test specimens shall be conditioned to GMW3221 Code A, unless the test method indicates that standard conditioning is not required. If specimens are tested outside of the conditioned environment, they shall be tested within 10 minutes of rem

7、oval. Unless otherwise specified, the material shall be tested under standard conditions, 21 C 2 C and 50% 5% relative humidity (RH). 3.1.2 Deviation from Defined Test Methods. Deviations from the conditions of any test method shall be agreed upon between supplier and vehicle manufacturer. All devia

8、tions shall be specified on the component drawings, material specifications, and Statement of Requirements and shall be indicated as such on test certificates and reports. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or netwo

9、rking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16959 Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 2 of 7 3.1.3 Documentation and Test Data. Samples of components or material released to this specification shall be tested for conformity

10、with the requirements of this specification and approved by the responsible GM department prior to the start of delivery of production level materials. 3.2 Construction and Color Requirements. These requirements describe the initial testing to be completed when a new zipper construction is being con

11、sidered. 3.2.1 Width (ISO 2589). Report the average for three specimens in millimeters to the nearest 0.01 mm. 3.2.2 Length (ISO 2589). Report the average for three specimens in millimeters to the nearest 0.01 mm. 3.2.3 Chain Crosswise Strength (ASTM D2061). Type 1 765 N minimum Type 2 445 N minimum

12、 Type 3 535 N minimum 3.2.4 Scoop Pull-Off (ASTM D2061). Type 2 45 N minimum 3.2.5 Scoop Slippage (ASTM D2061). Type 2 45 N minimum 3.2.6 Crosswise Separating (ASTM D2061). Only for back seat and armrest applications. Type 1 110 N minimum Type 2 110 N minimum Type 3 110 N minimum 3.2.7 Color Crockin

13、g (ISO 105-X12). The results shall be four or greater when compared to the ISO 105-A03 grey scale for staining. Perform ten strokes, fore and aft cycle, for both wet and dry. 3.2.8 Colorfastness to Artificial Light. The procedure and requirement will be defined on the Zipper Tape Material Constructi

14、on Specification data sheet (Appendix A, Data Sheet A1) or by approving region. The requirement is four or better per ISO 105-A02 grey scale for color change. A noticeable value (lightness) and/or chroma (saturation) change with minimum hue change is acceptable. Polystyrene reference plastic or blue

15、 wool is to be used to verify the Xenon arc apparatus. 3.2.8.1 Xenon Method ISO 105-B06, Condition 5. See Table 1. Table 1: Requirements for Xenon Method ISO 105-B06, Condition 5 Zipper Type Exposure, kJ (kilojoule) Type 1 225.6 Type 2 37.6 Type 3 37.6 3.2.9 Natural Weathering Exposure, GMW3417. No

16、greater than a noticeable value (lightness) and/or chroma (saturation) change with minimum hue change is acceptable. Evaluate specimens as specified in GMW6992. Note: Non-solar glass vehicles revert to regional requirement. All types specified should be exposed to 40 000 Langleys. 3.2.10 Cyclability

17、 (ISO 10751) All zippers must open and close 250 times without failure due to scoop slippage, separation of chain, misalignment of chain, and slider failure. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitte

18、d without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16959 Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 3 of 7 This apparatus is an endurance testing machine which attempts to simulate various applications for different slide fasteners by applying a range

19、of lateral and longitudinal forces to the chain. A Clamp for closed end of slide fastener. B Clamp for open end of slide fastener. C Sample slide fastener. D Holding pin. E Spring balance for longitudinal direction. F Clamp for holding lateral side of slide fastener. G Spring balance for lateral dir

20、ection. H Adjusting screw for moving distance of lateral clamp. I Rotary plate which acts as a medium for forces between slide fastener and balance. J Supporting plate for lateral holding clamp. Two lateral clamps are located in the midst of reciprocating stroke on both sides of slide fastener. Gros

21、s weight of longitudinal clamps including B and I is 300 g. Sample position 75 mm (3 in) distance between the pivot of B, angle open (30 degrees), angle closed (60 degrees). Lateral clamps are inclined to be 10 degrees at the right to the clamp. Metric dimensions are noted in parentheses. Figure 1:

22、Cyclability Test Machine Setup within ISO 10751 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 GMW16959 Copyright 2013 General Motors Compa

23、ny All Rights Reserved July 2013 Page 4 of 7 Table 2: Longitudinal and Lateral Forces Applied to Test Fastener Device Setup Grade of Zipper F1 Longitudinal Force (N) Note 1, Note 2 F2 Lateral Force (N) Note 1 Stroke Distance = 82.5 mm 7.5 mm Speed = 30 cycles -3 cycles per minute L 9 10 M 14 16 MH 1

24、8 24 H 23 30 Note 1: Tolerance on all forces is 1 N. Note 2: The longitudinal force (F1) in Method 2 is applied to each stringer (ASTM D2050). See Figure 1. 3.2.11 Performance Grading of Zippers: L and M= Light and Medium Duty applications (i.e., armrest or headrest) MH = Medium Heavy Duty applicati

25、ons (i.e., seating, seat cover, trim closures) H = Heavy Duty Applications (i.e., tops, windows, wheel covers, other) 3.2.12 Typical Zipper Cycling Testing Device (Figure 2): Figure 2: Zip Tester Laboratory that can perform endurance test: Intertek Lab, 3.2.13 Shrinkage after Steaming. A sample 254

26、 mm in length is steamed and allowed to dry in an oven at 80 C for 2 h. The maximum shrinkage allowed is 3%. There shall be no puckering, discoloration, or physical properties deterioration to the tape or scoops. Copyright General Motors Company Provided by IHS under license with General Motors Comp

27、anyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16959 Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 5 of 7 3.2.14 Fogging (GMW3235, Code B Gravimetric). Report the average fog number for three spec

28、imens. The weight change of the used aluminum foil shall be no greater than 2 mg. The bath temperature is to be +90 C. 3.2.15 Odor (GMW3205). Report both wet and dry results. A rating of 6 is required. Use a ratio of specimen size to container volume of 1:100. 3.2.16 Flammability (GMW3232). The resu

29、lts shall be reported in the GMW3232 format. 3.2.16.1 After Conditioning. Immediately prior to tests, all test specimens shall be conditioned for a minimum of 24 h according to GMW3221, Code A. 3.2.16.2 After Aging. The test cycle shall commence with 48 h 1 h at +40 C 3 C and 95% 5% RH, followed by

30、168 h 1 h at +90 C 3 C and completed without interruption. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of conflict b

31、etween the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material specification and approved by the respo

32、nsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial release must

33、be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new release. If not otherwise agreed, all release tests shall be repeated and doc

34、umented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supplier. 5.4 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions,

35、 or when a change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-speci

36、fic MSDS/SDS requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.5 All materials supplied to this standard must comply with the requirements of GMW

37、3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Materials supplied to this specification must be approved by General Motors. The appropriate GM Materials Engineering department(s) must confirm material as meeting the requirements of this specification. Any test data sheets o

38、f material submitted to General Motors for such confirmation (e.g., during Production Part Approval Process (PPAP) under this material specification must list all properties and must apply corresponding test methods of this material specification. 7 Notes 7.1 Glossary. MATSPC: Global repository of G

39、M approved materials for corresponding GM Engineering Standards. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System of Classification and Labeling of Chemicals MSDS Material Safety Data Sheet Copyright General Motors Company Provided by IHS under license with General Motors Com

40、panyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16959 Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 6 of 7 PPAP Production Part Approval Process RH Relative Humidity SDS Safety Data Sheet 8 Coding

41、 System This standard shall be referenced in other documents, drawings, etc., as follows: Material per GMW16959 9 Release and Revisions This standard was originated in May 2013. It was first approved by the Textiles & Trim Materials Global Subsystem Leadership Team in July 2013. It was first publish

42、ed in July 2013. Issue Publication Date Description (Organization) 1 JUL 2013 Initial publication. 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 STA

43、NDARDS GMW16959 Copyright 2013 General Motors Company All Rights Reserved July 2013 Page 7 of 7 Appendix A Data Sheet A1: Zipper Tape Material Construction Specification Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-