1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 03 2017 10 27 Revision See Summary of Revisions M. Nestorowich, FNA 2016 11 28 Editorial Corrected Footer A.Collins, NA 2009 02 04 Activated New Specification Replacing WSS-M2P184-A L. Sinclair, FNA Controlled document at www.MATS Copyri
2、ght 2017, Ford Global Technologies, LLC Page 1 of 6 PERFORMANCE, INSTRUMENT CLUSTER ASSEMBLY WSS-M15P52-A 1. SCOPE This specification defines the performance requirements for the instrument cluster assembly and visible components behind and including the lens. 2. APPLICATION This specification was r
3、eleased originally for instrument clusters. Testing must be conducted on parts per Table 1, which defines sample size and testing required. Chrome components outside of the lens must meet WSS-M1P83-E1/Latest. Painted components outside of the lens must meet WSS-M2P188-B1/Latest Foil / Film covered s
4、urfaces outside of the lens must meet WSS-M15P34-E/Latest Graphic printing outside of the lens must meet WSS-M2P158-A1/Latest Molded-in-color plastic components outside of the lens must meet WSS-M15P4-G/Latest 2.1 LIMITATIONS HALS (Hindered Amine Light Stabilizers) is prohibited in PC/ABS resins. HA
5、LS UV stabilizer degrades the polymer in the presence of moisture causing cracking/crazing of the resin. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification is performance based and does not have approved sources. 3.2 SYSTEM COMPONENTS 3.2.1 Resistance to Scratch Initial Hardness of all painted
6、parts within this assembly must be cured/dry at time of packing to withstand normal handling and shipping without marring. 3.2.2 Substrate ABS, Polycarbonate, Polypropylene or as specified on Engineering Drawing. Substrate must not contain any additives, or mold release agents which will adversely a
7、ffect the in mold decorating process. 3.2.3 Aging Test panels or test specimens prepared for investigations according to this specification must be aged for at least 72 h at 23 +/- 2 C or 16 h at 45 +/- 1 C prior to testing. ENGINEERING MATERIAL SPECIFICATION WSS-M15P52-A Copyright 2017, Ford Global
8、 Technologies, LLC Page 2 of 6 3.3 APPEARANCE Color, gloss, grain, tactile effect and surface finish shall match master trim sample and/or master appearance sample as approved by Design Studio. The coating shall exhibit no craters, pinholes, solvent popping, seediness, abnormal roughness, excessive
9、flow or any other detrimental defect. 3.3.1 Color (FLTM BI 109-01 Visual Assessment) (SAE J1545, Three-Angle CMC) Shall match the Master Approved Sample. 3.3.2 Gloss Report (FLTM BI 110-01, ASTM D523) As released by Engineering: A: 20 Glossmeter, min 92 B: 60 Glossmeter 76 - 84 C: 60 Glossmeter 66 -
10、 74 D: 60 Glossmeter 58 - 66 E: 60 Glossmeter 47 - 53 F: 60 Glossmeter 33 - 38 G: 60 Glossmeter 17 - 23 H: 60 Glossmeter 7 - 13 J: 60 Glossmeter 4 - 6 K: 60 Glossmeter 2 - 4 L: 60 Glossmeter 0.5 - 2.0 N: 60 Glossmeter 1.8 - 2.4 P: 60 Glossmeter 1.6-2.0 R: 60 Glossmeter 1.2-2.0 L 60 Glossmeter 0.5-2.
11、0 Z 60 Glossmeter N/A The color, pattern and finish shall match the approved Design Center master sample, or shall be as specified on the Engineering Document. 3.3.3 Ink Film Thickness Report (ASTM B487, PELT or equivalent) Coating thickness must be sufficient to meet all requirements of this materi
12、al specification. 3.4 ENVIRONMENTAL TESTING 3.4.1 Sample Preparation All parts shall be fully trimmed including all components packaged in the environment (e.g. speakers, hardware, wiring, etc.) and assembled onto actual or representative production support foundations that include not only all atta
13、ching points but also any boundary conditions that may restrict movement, unless otherwise specified by the affected Materials Engineering Activity. The retention methods, attachments and supporting garnish molding (if any), shall be the same as proposed for production. ENGINEERING MATERIAL SPECIFIC
14、ATION WSS-M15P52-A Copyright 2017, Ford Global Technologies, LLC Page 3 of 6 3.4.2 Measurement Locations Every twenty centimeters and at the points of greatest movement between the twenty centimeter marks along the parts outside edges and internal openings. The “significant characteristics locations
15、“ specified on the engineering drawing. 3.4.3 Measurement Technique The movement at each measurement point must be recorded in two directions: (1) in the x/y plane from the observers view, and (2) in the z-dimension direction into or out of the x/y plane from the observers view. The observers view m
16、ust remain consistent always viewing from the front side of the part. 3.4.4 Test Procedure Visually evaluate the part before and after the test. Measure the part and record data at all specified locations at room temperature before and after cycling on the production support foundation or test fixtu
17、re. Also, during para. 3.4.5 “Short Term Environmental Cycling” testing, visually evaluate the part and measure any significant characteristic locations only, during the last half-hour of each cold and hot extreme temperature period. Automated programmable test cycles based on the listed test condit
18、ions may be accepted by prior agreement with the affected Materials Engineering Activity. Ramp speed 1 to 5 C per minute. Record actual ramp speed on data sheet. 3.4.5 Short Term Environmental Cycling (FLTM BO 040-01 Procedure A, 100 C) Rating 4 min 3.4.6 Long Term Environmental (FLTM BO 040-01 Proc
19、edure B, 100 C) Rating 4 min 3.5 COLOR AND APPEARANCE PROPERTIES 3.5.1 Resistance to Interior Weathering (FLTM BO 116-01, AATCC Evaluation Procedure 1) In Vehicle Sunlight Exposure Level FLTM BO 116-01 Test Exposure AATCC Rating After Exposure Components behind lens 601.6 kJ/m2 Rating 4 min Lens, Fi
20、lm coating on lens, and Visible Housing/Mask 977.6 kJ/m2 Rating 4 min 3.6 PHYSICAL/RESISTANCE PROPERTIES 3.6.1 Adhesion of Paint/Ink Grade 0 Max (FLTM BI 106-01, Method B) 3.6.2 Water Immersion Test 96 h (FLTM BI 104-01) No blistering, softening, dulling, color change or loss of adhesion per para 3.
21、5.1 within 30 minutes of removal from water on all paint systems. ENGINEERING MATERIAL SPECIFICATION WSS-M15P52-A Copyright 2017, Ford Global Technologies, LLC Page 4 of 6 3.6.3 Resistance to Water and Soap Spotting, Rating 4 max (FLTM BI 113-01/ ISO 105-A02/ AATCC Evaluation Procedure 1) No film so
22、ftening allowed for any solution. 3.6.4 Resistance to Cleaning Agents Rating 4 max Apply 0.25 ml of cleaner (see below) on the test sample using a non-reactive O-ring. Expose the sample at the room temperature for 1 h. Evaluate per ISO 105- A02/AATCC Evaluation Procedure 1. No film softening allowed
23、 for any solution. Cleaners 1) Window cleaner 2) All purpose cleaner 3.7 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.8 ODOR (FLTM BO 131-03) Rating 3 max 3.9 FLAMM
24、ABILITY (ISO 3795/SAE J369) Burn Rate 100 mm/minute 3.10 PROCESS WINDOW DEFINITION The supplier shall perform a Design of Experiments (Response Surface Analysis is recommended) to determine the process window of the substrate/paint combination. The three variables/parameters to be included in the de
25、sign are bake temperature, bake time, and film thickness. An initial screening experiment should be run to determine what levels should be tested for the variables/parameters. This screening experiment should be reviewed with the materials engineer to set up the final DOE. Responses for the DOE shal
26、l include, but are not limited to, the following: Film Thickness, para 3.3.3 Gloss, para 3.3.2 Initial Adhesion, para 3.6.1 Water Resistance, para 3.6.2 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification.
27、Contact for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a complete
28、d copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one ye
29、ar. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. ENGINEERING MATERIAL SPECIFICATION WSS-M15P52-A Copyright 2017, Ford Global Technologies, LLC Page 5 of 6 4.2 SUPPLIERS ONG
30、OING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, th
31、e supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Sp
32、ecifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direc
33、tion applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1, which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting
34、. ENGINEERING MATERIAL SPECIFICATION WSS-M15P52-A Copyright 2017, Ford Global Technologies, LLC Page 6 of 6 TABLE 1 TESTING REQUIREMENTS Requirements Sample Size Instrument Cluster Assembly Clear Lens, Coated Lens Applique, Coated Parts DV & PV Testing DV Testing PV Testing DV Testing PV Testing 3.3
35、.3 Ink Film Thickness 1 X* X* X 3.4.5 Short Term Environmental Cycling 1 X X 3.4.6 Long Term Environmental 1 X X 3.5.1 Resistance to Interior Weathering 1 X X 3.6.1 Adhesion of Paint/Ink/ Film 3 X* X* X X 3.6.2 Water Immersion Test 3 X* X* X X 3.6.3 Resistance to Water and Soap Spotting 3 X 3.6.4 Re
36、sistance to Cleaning 3 X 3.7 Fogging 1 X X 3.8 Odor 1 X X 3.9 Flammability 3 X X X * = coated lens only X = applicable requirement TABLE 2 MCDCC TESTING REQUIREMENTS FOR COMPONENTS BEHIND LENS Requirements Per Color Sample Size Mold in Color Components Painted, Printed & Filmed Components 3.3.3 Ink
37、Film Thickness 1 X 3.4.5Short Term Environmental Cycling 1 X X 3.4.6 Long Term Environmental 1 X X 3.5.1 Resistance to Interior Weathering 1 X X 3.6.1 Adhesion of Paint/Ink/ Film 3 X 3.6.2 Water Immersion Test 3 X 3.7 Fogging 1 X 5. SUMMARY OF REVISIONS 2017 10 27 Revision Updated generic paragraphs to latest standards and titles. to latest standards Added Standard text under General Information section Clarified Testing requirements in Table 1 Added Table 2 for MCDCC Testing Requirements 2016 11 28 Editorial Added Performance Specification References in Section 2: Application
