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本文(FORD WSB-M15P41-A-2013 PERFORMANCE REQUIREMENTS HOOD ASSEMBLY CONVERTIBLE TOP DUST COVER TO BE USED WITH FORD WSS-M99P1111-A .pdf)为本站会员(terrorscript155)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSB-M15P41-A-2013 PERFORMANCE REQUIREMENTS HOOD ASSEMBLY CONVERTIBLE TOP DUST COVER TO BE USED WITH FORD WSS-M99P1111-A .pdf

1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision 2013 10 31 N Status No usage or replacement L. Sinclair, NA 1993 06 15 NB00I10043054257 Released J.D. Salow A.J. Stocki WP 3948-a Page 1 of 3 PERFORMANCE REQUIREMENTS, HOOD ASSEMBLY, WSB-M15P41-A

2、 CONVERTIBLE TOP DUST COVER NOT TO BE USED FOR NEW DESIGNNOT TO BE USED FOR NEW DESIGNNOT TO BE USED FOR NEW DESIGNNOT TO BE USED FOR NEW DESIGN 1. SCOPE This specification defines the durability and performance requirements of a hood assembly, convertible top dust cover boot. This assembly consists

3、 of PVC, scrim, foam, scrim and fabric backing laminate. The materials are combined using adhesives to provide a trim assembly having decorative and/or functional features. 2. APPLICATION This specification was originally released for the assembly used as a convertible boot cover for the 1995 Mustan

4、g. Any other application must be approved by the Material Engineering or Design Engineering activity. 3. REQUIREMENTS In addition to the requirements listed herein, all tests shall be conducted on finished parts or sections of production assemblies. The trimmed appearance assembly, during or after t

5、he test, shall exhibit no visible or objectionable appearance such as: . Wrinkling . Distortion . Blistering . Delamination . Blushing, hazing, or milking of the decorative surface 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually ac

6、ceptable Control Plan as described therein is required for material/source approval. Appropriate statistical tools must be used to analyze process/product data so that variation in the final product is continuously reduced. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, a

7、t its option, may conduct infrared and/or thermal analysis of material/parts supplied to this specification. The IR spectra and thermograms established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall prod

8、uce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. ENGINEERING MATERIAL SPECIFICATION WSB-M15P41-A 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/-

9、 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. 3.4 COLD IMPACT The assembly shall not show evidence of cracking or breaking following an impact at - 20 C with a 127 mm dia rubber ball weighing 4.5 kg of 6

10、0 +/- 5 Durometer “A“ (ISO 686/ASTM D 2240). Test Procedure: Condition the assembly for 5 hours at - 20 C prior to impacting; then immediately (from 8 to 10 s) drop the rubber ball from a 300 mm height on the upper surface of the hood assembly. The top dust cover should be supported on a flat, rigid

11、, surface in contact with all attachments. 3.5 FOLD DURABILITY The assembly shall remain flexible and not crack upon repeated folding of the assembly after exposure to the following environments: . Cold 16 h at - 20 C for 10 cycles . Hot 24 h at 70 C for 490 cycles . Ambient 20 C for 7000 cycles, te

12、sted at temperature 3.6 SAG TEST 24 h test hot and cold cycles from - 20 C to 70 C. Allowable deflection and location will appear on the engineering drawing when specified. (Minimum 10 h hot and 4 h cold.) Top dust cover assembly will be supported as in vehicle. 3.7 COLD/HOT CRUSH TESTS 3.7.1 COLD C

13、RUSH TEST Place the assembly in the storage bag. Cold soak for 4 h at -20 +/- 1 C. Drop a 22.5 kg load from 300 mm height. Soak for an additional 8 h with the load on top of the assembly. After the 8 h soak, allow the assembly to return to ambient temperature (20 C) and unfold. The assembly shall no

14、t show any visible evidence of cracking or delamination during the test. 3.7.2 Hot Crush Test Place the assembly in the storage bag. Hot soak for 4 h at 70 +/- 2 C. Drop a 22.5 kg load from 300 mm height. Soak for an additional 8 h with the load on top of the assembly. Remove from hot chamber, then

15、immediately unfold the assembly. The assembly shall not show any visible evidence of cracking or delamination during the test. ENGINEERING MATERIAL SPECIFICATION WSB-M15P41-A 3.8 HIGH SPEED RETENTION TO VEHICLE The trimmed assembly shall remain attached to the vehicle (with top down, in use position

16、) without objectionable looseness or flapping up to the maximum vehicle speed. 3.9 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.10 ATTACHMENT PULL TEST Tear resistance/pull-off test of the attachment extrusions: Attachment extrusions shall not separate under a pull test load of 17

17、8 N. A tear rate of 300 mm/minute shall be applied perpendicular to one end of each attachment extrusion until specified load is reached. 3.11 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was origi

18、nally granted. Prior to making any change in the properties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall noti

19、fy Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. Substance restrictions imposed by law,

20、regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Sup

21、pliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity a completed copy of their laboratory test reports,

22、signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Fords engineering approval of a material will be based on its performance to this specification and on an assessment of suitability for intended processes and/or applications. Upon approval, the material will be added to the Engineering Material Approved Source List.

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