1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2008 11 13 N-STATUS No Replacement L. Schmalz, FNA / M. Montgomery, FOE 2003 03 28 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.13, 3.14, 4 deleted 1993 10 20 C10344564 Released N. Komatsu Printed copie
2、s are uncontrolled Page 1 of 4 Copyright 2008, Ford Global Technologies, Inc. FABRIC, SPECTRUM PATTERN, WEFT KNITTED, UNLAMINATED WSD-M1H637-A FABRIC, SPECTRUM PATTERN, WEFT KNITTED, HFW WSD-M1H637-K NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is a weft knitte
3、d Jacquard 20 gauge polyester velour fabric. 2. APPLICATION WSD-M1H637-A is used for molded headrests and also adhesively coated for use on inner door panels. WSD-M1H637-K are used for inner door, quarter trim panels and/or as specified on Engineering Drawings. SPECTRUM DESIGN WSD-M1H637-A Unlaminat
4、ed WSD-M1H637-K HF-weldable polyurethane backcoating applied by the doctor-knife spreading technique, or an engineering approved alternative 3. REQUIREMENTS In addition to the requirements listed herein, the fabric or laminate shall meet all requirements of WSB-M8P1-H. 3.0 STANDARD REQUIREMENTS FOR
5、PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 FABRIC CONSTRUCTION 3.4.1 Fabric Count, +/- 5 % tolerance (ASTM D 3887) Wales 90 wales/10 cm Courses 120 courses/10 cm ENGINEERING MATERIAL SPE
6、CIFICATION WSD-M1H637-A/K Page 2 of 4 Copyright 2008, Ford Global Technologies, Inc. 3.4.2 Fabric Weight, min 290 - 330 g/m2(FLTM BN 106-01) 3.4.3 Pile Height, min 1.7 mm (microscope technique) 3.5 COMPOSITION (ASTM D 629) Fabric 100 % polyester 3.6 YARN CONSTRUCTION (ASTM D 1244) Ground 167 dTex f
7、26 38 (polyester, semi-dul) Pile 270 dTex f 64 80 (polyester, bright) 3.7 METHOD OF DYEING Yarn Dyed and spun dyed or as approved by Materials Engineering 3.8 FINISHING OPERATIONS As approved by Materials Engineering 3.9 REQUIREMENTS FOR THE BACKCOATED MATERIAL (WSD-M1H637-K) 3.9.1 Stretch and Set,
8、range (SAE J855) 3.9.1.1 Stretch Wales 15 - 35 % Courses 70 - 110 % Diagonal 25 - 55 % 3.9.1.2 Set Wales 0 -15 %Courses 30 - 70 % Diagonal 10 - 40 % ENGINEERING MATERIAL SPECIFICATION WSD-M1H637-A/K Page 3 of 4 Copyright 2008, Ford Global Technologies, Inc. 3.9.1.3 Modulus, max (50 mm width sample,
9、100 mm jaw separation, 125 mm/minute jaw speed, 2 N preload) Strain, 6 % Wales 150 N Courses 150 N 3.9.2 Breaking Strength, min (ASTM D 5034, Grab Method, 305 mm/minute jaw speed, average of 5 samples each direction) Wales 275 N Courses 275 N 3.10 REQUIREMENTS FOR THE BACKCOATED MATERIAL (WSD-M1H637
10、-K) 3.10.1 Weight, min (FLTM BN 106-01) PU Backcoating 40 g/m2Or an engineering approved alternative. Face fabric weight as specified in para 3.4.2. 3.11 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute Note: Not required on face fabric when used as a fully bonded composite. 3.12 REQUIR
11、EMENTS FOR FULLY BONDED DOOR PANELS The fully bonded finished component must satisfy the requirements of engineering component specification S-77FBB-23942-AA or equivalent if specified on the engineering drawing. In addition to these requirements fabric general performance should not be reduced by t
12、he bonding process. Ford Motor Company at its discretion may perform tests on the finished components to verify this. Minimum bond strengths will be specified which may vary according to the method of bonding employed. ENGINEERING MATERIAL SPECIFICATION WSD-M1H637-A/K Page 4 of 4 Copyright 2008, For
13、d Global Technologies, Inc. 3.12.1 Peel Adhesion Strength, min (FLTM BN 151-05) Fabric press-formed to adhesive coated board. As received 20 N/50 mm width After Ageing 20 N/50 mm width (4 h at 100 +/- 2 C, 20 h at 40 +/- 2 C and 98 +/- 2 % R.H) These bond values are provisional and may be reassessed
14、 subsequent to statistical process control. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 Purchase departments will ensure that both materials defined in these specifications and shipped to any one assembly plant will be produced by one supplier only.
