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本文(FORD ESB-M15P23-A2-2013 COEXTRUDED MOLDINGS VINYL BI-METAL EXTERIOR-MECHANICALLY ATTACHED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD ESB-M15P23-A1).pdf)为本站会员(appealoxygen216)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 ESB-M15P23-A2-2013 COEXTRUDED MOLDINGS VINYL BI-METAL EXTERIOR-MECHANICALLY ATTACHED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD ESB-M15P23-A1).pdf

1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision 2013 10 31 N Status No replacement or usage. L. Sinclair, NA 1985 01 14 Released CL01-DR527723WP 3948-a Page 1 of 5 COEXTRUDED MOLDINGS, VINYL/ALUMINUM EXTERIOR- ESB-M15P23-A1 MECHANICALLY ATTACH

2、ED COEXTRUDED MOLDINGS, VINYL/BI-METAL EXTERIOR- ESB-M15P23-A2 MECHANICALLY ATTACHED COEXTRUDED MOLDINGS, VINYL/STAINLESS STEEL ESB-M15P23-A3 EXTERIOR - MECHANICALLY ATTACHED NOT TO BE USED FOR NEW DESIGN 1. SCOPE These specifications define the performance requirements for exterior moldings utilizi

3、ng vinyl/metal coextrusions which are mechanically attached to automotive exterior surfaces. These specifications do not cover the attachments. 2. APPLICATION These specifications were released originally to supplement information appearing on the engineering drawing and the individual material spec

4、ification. 3. REQUIREMENTS 3.1 CONDITIONING All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 2C and 50 5% relative humidity for 24 h prior to testing and tested under the same controlled conditions. 3.2 CONSTRUCTION Due to the effect of design on du

5、rability, each individual molding assembly construction must be approved by both the appropriate Design Activity and the Body Materials Engineering Department. Parts utilizing aluminum for the coextrusion must have the visible surface entirely covered with vinyl. Parts utilizing bi-metal must be des

6、igned to be grounded by the attachments. Parts utilizing stainless steel must be designed to be fully insulated from the body by the vinyl. 3.3 USAGE ENGINEERING MATERIAL SPECIFICATION ESB-M15P23-A1/A2/A3 WP 3948-b Page 2 of 5 The moldings defined by these specifications are intended for use on flat

7、 and curved body surfaces, deck lids, and wheel lip openings. Materials intended for use on curved surfaces and/or bends shall be evaluated to the requirements of these specifications, simulating the most severe curve or bend. 3.4 BONDING SURFACE The moldings shall be evaluated with the vinyl bonded

8、 to the surface for the intended use in production. 3.5 MATERIAL USAGE Vinyl - ESB-M4D284-C Type IV Bi-Metal - ESB-M1A249-A1, A2, or A3 Aluminum - SAE AA5052 (tempered to suit) or other alloys for trim applications. Stainless - SAE 51434 3.6 RESISTANCE AND ADHESION PROPERTIES The moldings as-receive

9、d and after being subjected to the exposures listed in Para 3.6.3 shall conform to the following requirements. Only bi-metal moldings must be fastened to a painted metal panel using a stainless steel screw. 3.6.1 Appearance No evidence of color change, chalking, crazing, discoloration, milkiness, se

10、paration or loss of embossment greater than that exhibited by the sample originally granted engineering approval. In addition, there shall be no evidence of incompatibility between materials of construction. Particular attention should be given to cut ends for evidence of deterioration and separatio

11、n. 3.6.2 Adhesion No evidence of degradation or loss of adhesion of vinyl to metal when exposed to 173 to 206 kPa of air using a 2.4 mm orifice and holding the nozzle at approximately 45 and 50 mm from the end of the part. 3.6.3 Exposure Conditions 3.6.3.1 As Received 23 2C 3.6.3.2 2 weeks at 88 1C

12、3.6.3.3 Salt Spray 240 h (ASTM B 117) ENGINEERING MATERIAL SPECIFICATION ESB-M15P23-A1/A2/A3 WP 3948-b Page 3 of 5 3.6.3.4 10 cycles with each cycle consisting of: . 4 h at 88 1C . 4 h at 38 1C and 95-100% relative humidity . 16 h at -40 1C 3.6.3.5 2 weeks at 38 1C, 95-100% relative humidity. 3.6.3.

13、6 Water Immersion 240 h (FLTM BI 4-1) 3.6.3.7 Weatherometer 1600 h (FLTM BO 1-1) 3.6.3.8 30 min at 121C 3.6.3.9 Florida exposure (5 1 year south direct weathering inland) (See note following test method) 3.6.3.10 Florida exposure (5 south 2 years direct weathering inland) This requirement applies to

14、 initial source approvals and/or system changes only (i.e., new vinyl, adhesive, metal, etc.) Note: Conformance to the requirement of Para 3.6 is mandatory for all new suppliers furnishing materials for engineering acceptance. After engineering approval, Para 3.6.3.9 and 3.6.3.10 may be waived on pr

15、oduction parts for routine control purposes. In the event of a dispute, conformance to Para 3.6 in its entirety shall govern. 3.7 THERMAL SHOCK (FLTM BI 7-3) No evidence of degradation or loss of adhesion of vinyl to metal. The test cycle shall consist of: . 4 h water immersion, except 32C water tem

16、perature . 4 h at -29C . Direct steam blast at ends 3.8 IMPACT ENGINEERING MATERIAL SPECIFICATION ESB-M15P23-A1/A2/A3 WP 3948-b Page 4 of 5 3.8.1 Normal (23 2C), min 1.1 J 3.8.2 Low Temperature (-29C), min 0.57 J No evidence of cracking, loss of adhesion or other mode of failure. Temporary dimpling

17、in vinyl is allowed provided the vinyl exhibits an acceptable appearance within 24 h after testing. Test Method: Samples shall be impacted using a Gardner Model 1G-1120 (or equivalent) tester with a 13 mm diameter hemispherical impact head. The low temperature test shall be conducted after exposure

18、for 4 h minimum at -29C and impacted within 20 s after removal from the low temperature chamber. 3.9 SOLVENT RESISTANCE No loss of adhesion Test Method: Prepare panels as in para 3.6. Place panel or sample in large beaker, half full of M-14J148 Petroleum Naphtha - Aliphatic type at 23 2 for 1 h. The

19、 molding, after removal from the naphtha, shall not be blistered and only slightly softened and dulled. 3.10 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any

20、 change in the properties, composition, construction, color, processing or labelling 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 notify Purchasing, Toxicology and the

21、 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, regulations or Ford, apply to the

22、 materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1, unless a different suffix (e.g., A2 or A3) is specified on the engineering document for the application. 4. APPROVAL OF MATERIALS ENGINEERING MATERIAL SPECIFICATION ESB-M15P23-A

23、1/A2/A3 WP 3948-b Page 5 of 5 Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering

24、 activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity its own laboratory report to the specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Upon approval, the material will be a

25、dded to the Engineering Material Approved Source List. 5. GENERAL INFORMATION This data is for information only and is not a requirement. 5.1 All samples submitted for engineering approval will be evaluated by B&CE for resistance to scuffing (FLTM BN 8-10) and soiling (FLTM BN 12-1) as required for

26、the intended application. Proposed high scuff area materials must be resistant to scuffing and light colored materials must be resistant to soiling. 5.2 The supplier shall provide detailed identification of all construction components (proprietary information excluded) with each submission for engineering evaluation.

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