FORD WSS-M2P122-E1-2016 PAINT PERFORMANCE ALUMINUM WHEELS ROAD AND SPARE TO BE USED WITH FORD WSS-M99P1111-A .pdf
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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 00 2016 08 23 Released C. Taylor, NA / Global TeamControlled document at www.MATS Copyright 2016 Ford Global Technologies, LLC Page 1 of 9 PAINT PERFORMANCE: ALUMINUM WHEELS, ROAD AND SPARE WSS-M2P122-E1 PAINT PERFORMANCE: ALUMINUM WHEELS
2、, INTERIOR STOWED MINI SPARE WSS-M2P122-E2 PAINT PERFORMANCE: STEEL WHEELS, ROAD AND SPARE WSS-M2P122-E3 PAINT PERFORMANCE: STEEL WHEELS, INTERIOR STOWED MINI SPARE WSS-M2P122-E4 1. SCOPE These specifications define the performance requirements for color/clear coatings over wheels. 2. APPLICATION Th
3、ese specifications were released originally for full or partially painted wheels. 3. REQUIREMENTS All requirements of this specification must be met with production intent wheels, unless otherwise noted. 3.1 APPROVED SOURCES This specification is performance based and does not have approved sources.
4、 3.2 COATING The supplied coating shall be a continuous film, free of blisters, bubbles, foreign material and similar imperfections. 3.2.1 Aging Prior to testing, test specimens prepared for investigations according to this specification must be aged at least 72 hours at 23 +/- 2 C (preferred) or 16
5、 hours at 45 +/- 1 C. 3.2.2 Cure Profile A temperature part profile curve (Time/Temp) from the production process for the part is required. ENGINEERING MATERIAL SPECIFICATIONWSS-M2P122-E1/E2/E3/E4 Copyright 2016, Ford Global Technologies, LLC Page 2 of 9 3.3 FILM PROPERTIES 3.3.1 Film Thickness (FLT
6、M BI 117-01, ASTM B487) The applied coating thicknesses must be sufficient to meet all the requirements of this specification, the Wheel DVP testing (Design Verification Plan), and the appearance requirements developed at AAR (Appearance Approval Report). The table below provides typical F point fil
7、m thickness ranges in micrometers. These film thicknesses are not requirements. Standard Paint (Full Hiding Basecoat) Premium Paint (Partial Hiding Basecoat) Machined or Polished with Clearcoat E-Coat with Monocoat E-Coat - - - 17-24 Primer (Powder) 50-150 50-150 - - Basecoat Liquid Liquid - - 15-30
8、 3-8 - - Clearcoat Powder Liquid Powder Liquid Powder Liquid - 50-150 38-50 50-150 38-50 70-150 38-50 - Monocoat (Liquid) - - - 38-50 C points (corner points) must meet the acceptance criteria defined in the Global Wheel FS (Functional Specification). Minimum film thicknesses determined through DVP
9、(Design Verification Plan) testing should be listed on the drawing and the suppliers control plan. To promote robust paint adhesion, a zinc phosphate pretreatment per WSS-M3P36-A1 is recommended prior to electrocoating steel wheels, while a suitable pretreatment passivation shall be used prior to pa
10、inting aluminum wheels. 3.3.2 Initial Hardness (ASTM D1474) Hardness values at the target film and bake conditions shall meet the recommendations of the paint supplier and be recorded and available upon request. Paint shall be sufficiently cured at time of packing to withstand normal handling withou
11、t damage. Properly cured paint finish shall be hard enough to dry sand easily with 360 grit paper without gumminess or severe scratching. Hardness shall be verified prior to any additional testing outlined below. 3.3.3 Color (Except -E2 & -E4) (FLTM BI 109-01 Visual Assessment, SAE J1545, Three-Angl
12、e CMC) Shall match the Master Approved Sample color panel or the initial sample as approved by Design Center. ENGINEERING MATERIAL SPECIFICATIONWSS-M2P122-E1/E2/E3/E4 Copyright 2016, Ford Global Technologies, LLC Page 3 of 9 3.3.4 Gloss Report (Except -E2 & -E4) (FLTM BI 110-01, ASTM D 523) Shall ma
13、tch the Master Approved Sample color panel or the initial sample as approved by Design Center. Gloss A: 20 Glossmeter min 92 B: 60 Glossmeter 76 - 84 C: 60 Glossmeter 66 - 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
14、: 60 Glossmeter 4 - 6 K: 60 Glossmeter 2 - 4 L: 60 Glossmeter 0.5 - 2.0 N: 60 Glossmeter 1.8 - 2.4 R: 60 Glossmeter 1.2 1.6 3.3.5 Gas Soak (Except -E2 & -E4) (Immerse samples for 1 h at 23 +/- 2 C in commercially available grade of lead free gasoline.) After 5 minute recovery time, no color change i
15、n excess of Gray Scale rating 4-5 (AATCC Evaluation Procedure 1/ISO 105-A02), no gloss change (FLTM BI 110-01, 25% max for A & B gloss surfaces), and no surface distortion or permanent softening permitted. Adhesion shall meet the requirements of paragraph 3.4. 3.3.6 Ultraviolet Light Transmission (E
16、xcept -E2 & -E4) For each color, measure the light transmission of the basecoat and clearcoat layering system at the minimum recommended film builds using an integrating sphere spectrophotometer. Report transmission at 360 nm and 400 nm. Submit transmission curve over entire range measured. 3.4 PAIN
17、T ADHESION Grade 2 max (FLTM BI 106-01, Method B, carbide tip scribe only, If wheel geometry does not allow Method B, contact Materials Engineering) Lightly hand sand paint film surface (10 double rubs, moderate pressure) with P600 paper until dull, before scribe operation and checking adhesion. 3.5
18、 HIGH PERFORMANCE ADHESION (Except -E2 & -E4) 3.5.1 Thermal Shock Rating 20 (FLTM BI 107-05) Alternate Method 3.5.2 Resistance Against High Pressure Cleaner 2 mm2max (FLTM BO 160-04, Method B) Prior to testing the painted surface shall be X-scribed through to the substrate (30 angle). ENGINEERING MA
19、TERIAL SPECIFICATIONWSS-M2P122-E1/E2/E3/E4 Copyright 2016, Ford Global Technologies, LLC Page 4 of 9 3.6 HEAT RESISTANCE Rating 4-5 min (7 days at 80 +/-2 C, AATCC Evaluation A & B Gloss Surfaces: Procedure 1/ISO 105-A02) 3mm dia.) Alternate Method 3.10.2 Grit Blast, Split Shot Rating 7 min (FLTM BI
20、 157-06) Test shall be conducted on flat test pieces cut from production wheels. ENGINEERING MATERIAL SPECIFICATIONWSS-M2P122-E1/E2/E3/E4 Copyright 2016, Ford Global Technologies, LLC Page 5 of 9 3.11 WATER RESISTANCE (FLTM BI 104-01, 240 h) No blistering, dulling, softening, adhesion loss, and/or a
21、ny other film failure. After exposure, adhesion shall be tested within 30 minutes after removal from water according to paragraph 3.4. 3.12 HUMIDITY RESISTANCE Rating 4-5 min (AATCC Evaluation Procedure 1/ISO 105-A02) 168 h at 85 C & 90% R.H. After exposure, adhesion shall be tested and met per para
22、graph 3.4 within 60 minutes after exposure. No blistering, dulling, softening, and/or any other film failure. 3.13 RESISTANCE TO EXTERIOR WEATHERING (Except -E2 & -E4) Spare wheels are exempt from accelerated weathering. 3.13.1 Weathering Requirements Accelerated Weathering Outdoor Weathering ASTM D
23、7869 (Preferred) SAE J2527 Boro/Boro SAE J1976 New Application of Existing Paint Technology 2250 hours 3000 hours Not required New Paint Technology (contact Materials & Core Engineering to make determination) 3750 hours 6000 hours 1, 3, 5 yr 3.13.1.1 Appearance There shall be no blistering, cracking
24、, peeling or micro checking after any of the exposure levels listed in paragraph 3.13.1. After 1 year Florida exposure there shall be no visual color change and 10% maximum gloss loss. After 3 years Florida exposure or 3000 h accelerated weathering per SAE J2527 Boro/Boro or 2250 h accelerated weath
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