1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2011 06 21 N STATUS Replaced by WSS-M15P46-B B.Haggart, NA 2005 08 30 Activated A. Wedepohl Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 1 of 4 PERFORMANCE, FLEXIBLE MATERIAL FOR SHIFT WSS-M15P46-A BOOTS
2、AND PARKING BRAKE BOOTS NOT FOR NEW DESIGN 1. SCOPE This specification defines the performance requirements for interior materials cut and sewn into boots for floor mounted shift levers and parking brakes. These materials must have good resistance to flex cracking at cold temperatures. 2. APPLICATIO
3、N Interior floor mounted transmission shift boots and parking brake boots. This specification was originally written for polyurethane coated fabrics. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Require
4、ments For Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE The color, grain, visual aesthetics, hand and finish shall be approved by Ford Design/Mastering. 3.3 FINISHING Color matched finish coating. The material must be through dyed to prevent un-dyed fibers from showing through after sewing a
5、nd the dye must be similar in color to the surface coating. 3.4 PHYSICAL PROPERTIES 3.4.1 Thickness, range 0.7 - 1.2 mm (ASTM D 1813) 3.4.2 Breaking Strength, min 250 N (ASTM D 751 grab method) Any direction 3.4.3 Tear strength (Trapezoid), min 44 N (ASTM D 5733) Any direction 3.4.4 Seam Strength, m
6、in 250 N (FLTM BN 119-01) Any direction ENGINEERING MATERIAL SPECIFICATION WSS-M15P46-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 3.4.5 Softness Report Value (FLTM BN 157-01, ST300 Softness Tester, using a 25 mm diameter aperture method for cut parts)
7、3.4.6 Dimensional Stability, max (FLTM BN 105-03, 3 cycles) Wet +/- 3% After Drying +/- 3% 3.5 COLOR PROPERTIES General Acceptance Criteria The material shall not exhibit any change in appearance such as color change, fading or gloss change in excess of the required AATCC rating. In addition, the ma
8、terial shall not exhibit staining, blistering, loss of paint adhesion, flaking, chipping, checking, chalking, cracks, splits, sinks, bulges, tackiness, peeling or delamination. 3.5.1 Resistance to Fade (Filtered Xenon FLTM BO 116-01, ISO 105-A02/AATCC Evaluation Procedure 1) 902.4 kJ/m2 Rating 4 In
9、addition, the material must remain flexible and exhibit no cracking when bent around a 6.4 mm mandrel. 3.5.2 Resistance to Heat Aging, min Rating 4 (7 days at 90 +/- 2 C, ISO 105-A02/ AATCC Evaluation Procedure 1) 3.5.3 Soiling and Cleanability, min Rating 4 (FLTM BN 112-08, ISO 105-A02/ AATCC Evalu
10、ation Procedure 1) Test only grease, coffee, and ketchup 3.5 FINISH PROPERTIES 3.6.1 Coating Adhesion No top coat removal. Test Method: Using a knife cut, an “X“ approximately 25 mm wide down to the base coat of sample. Apply acetate fiber tape (3M #898, 25 mm wide, or equivalent) over the “X“. Rub
11、the tape until good contact has been achieved. Grip one end of the tape and with a quick steady pull remove the tape off the face of the sample. ENGINEERING MATERIAL SPECIFICATION WSS-M15P46-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 3.6.2 Resistance
12、to Crocking, min (FLTM BN 107-01, ISO 105-A03/ AATCC Evaluation Procedure 2) 1) Dry Rating 5 2) Wet Rating 5 3) Glass Cleaner with Ammonia Rating 4 (any retail brand) 4) Motorcraft Leather and vinyl cleaner Rating 4 3.6.3 Abrasion Resistance - Taber Abrader, min Rating 6 (SAE J948, CS-10 wheel, 1000
13、 g load, 250 cycles, S-36 specimen mounting card) The surface shall show no evidence of wear through, and the color of the scuffed area shall be acceptable in appearance according to the Attribute Rating System. 3.6.4 Resistance to Scuffing, min Rating 6 (SAE J365, A head, 0.9 kg, 100 cycles S-36 sp
14、ecimen mounting card) The surface shall show no evidence of wear through, and the color of the scuffed area shall be acceptable in appearance according to the Attribute Rating System. 3.6.5 “W“ Flex Requirements, (FLTM BN 102-02, except 175 cycles/minute and -40 C) 1) Original, 3,000 cycles at -40 C
15、 2) After conditioning, 3,000 cycles at -40 C No evidence of crazing, lifting, peeling, or cracking. Fine cracks through the finish coating are acceptable, provided there is no evidence of finish peeling, flaking, or roll back visible without the use of magnification. Conditioned samples should be e
16、xposed to 226.8 kJ/m2 of Fade Resistance followed by 7 days at 70 C and 95% RH. 3.6.6 Functional Trial The supplier must certify that the material is acceptable for processing in their manufacturing plants. This includes but is not limited to cutting and sewing operations. 3.6.7 Odor, max Rating 2 (
17、FLTM BO 131-01) ENGINEERING MATERIAL SPECIFICATION WSS-M15P46-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4 3.6.8 Fogging (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number, min 70 The formation of clear film, d
18、roplets or crystals is cause for rejection 3.6.9 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm minute 4. ATTRIBUTE RATING SYSTEM Engineering Rating Index 1 2 3 4 5 6 7 8 9 10 Evaluation of Attribute Performance Not Acceptable Poor Borderline Acceptable Fair Good Very Good Excellent Customer
19、 Satisfaction (for the attribute) Very Dissatisfied Some what dissatisfied Fairly Well Satisfied Very Satisfied Completely Satisfied Improvement Desired by All Customers Average Customer Critical Customer Trained Observer Not Perceptible Rating Tips Ratings should reflect critical customer expectati
20、ons. Customer expectations may vary due to specific market class, segment or model. Ratings are restricted to your observations made during the evaluation. It is acceptable not to rate an attribute due to insufficient evaluation time. Do not guess or lower your ratings due to insufficient evaluation time.
