1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 2 2008 06 25 Revised Inserted 3.0, 4. Deleted 3.1, 3.2, 3.3, 3.11, 3.12 Revised 3.3,3.7.2, 3.7.3, 3.7.4, 3.9 & 3.10 M. Dumitrescu, FNA 1994 08 16 Released NB00I10043054355 D. Ruona, K. Minnich, B. Ferns Printed copies are uncontrolled Co
2、pyright 2008, Ford Global Technologies, LLC Page 1 of 3 HEADLINER, INTEGRAL AIR DUCT WSB-M15P38-A 1. SCOPE The material defined by this specification is a unitized formed assembly. 2. APPLICATION This specification was released originally for the integral air duct headliner on the 1992 Econoline. 3.
3、 REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 CONDITIONING AND TEST CONDITIONS Testing must be conducted at each prototype and production build p
4、hase unless otherwise specified by Ford engineering. See table 1. 3.4 CONSTRUCTION As specified on engineering drawing 3.5 WEIGHT As specified on engineering drawing 3.6 BOND JOINT CONFIGURATION _ |_ _0_ - Adhesive 3.6.1 12 mm overlap bond, min. 3.6.2 7 mm adhesive bead, nominal ENGINEERING MATERIAL
5、 SPECIFICATION WSB-M15P38-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 3 3.7 90 PEEL ADHESION, min (ASTM D 903, except 90 and 50 mm/minute) Test Method: Cut separate 25 mm wide test pieces from the air duct headliner interface with the bond joint configur
6、ation of para 3.6. Condition one test piece for each exposure shown below. After exposure, pull at 90 with a jaw separation rate of 50 mm/minute. Report adhesion values and mode of failure. Note: Adhesion values must be met irrespective of failure mode. 3.7.1 Original 26 N 3.7.2 At 90 +/- 2 C 26 N (
7、Precondition for 30 minutes at 90 +/- 2 C) 3.7.3 After Heat Aging 7 days at 90 +/- 2 C 26 N 3.7.4 After the following cycle: 26 N . 5 h at -40 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 16 h at 50 +/- 2 C and 95 +/- 5% R.H. . 30 min at 23 +/
8、- 2 C and 50% R.H. . 5 h at -40 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C 3.8 AIR PERMEABILITY, max (ASTM D 3574, Test G) Duct 120 cm3/s Headliner below duct area 120 cm3/s 3.9 FOGGING (Duct and Adhesive System) (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test co
9、nditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or crystals is cause for rejection. 3.10 ODOR (Duct and Adhesive System), max Rating 3 (FLTM BO 131-03 or SAE J1351*) *note method used on data submission form 4. APPROVAL TEST RECOMMENDATIONS for DV and PV testing DV and
10、PV testing must be conducted as recommended per Table 1 ENGINEERING MATERIAL SPECIFICATION WSB-M15P38-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 TABLE 1 WSS-M15P38-A For Paragraphs DV PV 3.7 Peel Adhesion 3.7.1 Original x x 3.7.2 Preconditon 30 min at 90 C x 3.7.3 Heat exposure 7 days at 90 C x 3.7.4 Environmental cycle x x 3.8 Air permeability x x* 3.9 Fogging x x 3.10 Odor x x * surrogate data from DV could be used if there are NO changes from DV to PV
