1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 2 2015 03 26 Revised See Summary of Revisions C. Mracna, NA 2014 06 19 Revised See Summary of Revisions C. Mracna, NA 2013 02 01 Activated C. Mracna, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1
2、 of 3 LUBRICANT, ALUMINUM SHEET WSS-M9G24-A1 1. SCOPE This specification defines the requirements for lubricant coatings intended to be used for the stamping of aluminum sheet. The lubricant coatings shall be specified in conjunction with the appropriate base aluminum and surface treatment specifica
3、tions. 2. APPLICATION This specification was originally released for a hot melt lubricant to be used for stamped aluminum automobile body parts. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements
4、 For Production Materials (WSS-M99P1111-A). 3.2 PRODUCT CHARACTERISTICS 3.2.1 Appearance Amber to Brown 3.2.3. Melting Point 44 - 52 C (ASTM D566 or ASTM D2265, DIN ISO 2176) 3.2.3 Bake Staining (FLTM AB 107-01) There shall be no objectionable bake staining following a T82 tempering process per FLTM
5、 AB 107-01 based on a jury evaluation of at least two people from Ford Product Development Engineering. 3.2.4 Saponification Value 14 20 mg/g (ASTM D94, DIN 51559-1, or technical equivalent) 3.2.5 Percent Free Fatty Acidity (as oleic) 0.0 3.0 % (Quaker GTM 1000, or technical equivalent) 3.3 COATING
6、WEIGHT, average 0.35 0.85 g/m2/side (ASTM F2217, or technical equivalent) ENGINEERING MATERIAL SPECIFICATION WSS-M9G24-A1 Copyright 2015, Ford Global Technologies, LLC Page 2 of 3 3.4 COATING UNIFORMITY The coating shall be uniformly applied across the substrate surface. The applicator will be respo
7、nsible and will document the measurable in the control plan. The product shall not be applied in an application system with temperatures below 54 C. The temperature of the substrate shall not exceed 50C for longer than 20 minutes post application. 3.5 STRUCTURAL ADHESIVE PERFORMANCE REQUIREMENTS Mat
8、erial supplied to this specification shall demonstrate acceptable stress durability performance as detailed in the adhesive performance specification, WSS-M2G410-A, Sec. 3.5.2, up to a max coating weight of 1.25 g/m2/side. 3.6 SEALANT PERFORMANCE REQUIREMENTS Material supplied to this specification
9、shall demonstrate acceptable performance as detailed in the applicable sealant material specification defined by Product or Materials Engineering, up to a max coating weight of 1.25 g/m2/side. 3.7 PAINTABILITY The paintability requirements of the appropriate base aluminum material specification shal
10、l apply for a max coating weight of 1.25 g/m2/side. 3.8 WELDABILITY (FLTM BB 113-07) The weldability requirements of the appropriate base aluminum material specification shall apply for a max coating weight of 1.25 g/m2/side. The weldability shall meet the performance requirements outlined in FLTM B
11、B 113-07. Final approval of weldability will be determined by the affected manufacturing facility. 3.9 SHELF LIFE The lubricated aluminum substrate shall have a shelf life of 1 year when transported and stored in the manufacturers recommended environmental conditions. 3.10 FUNCTIONAL APPROVAL Materi
12、als being evaluated for approval to this specification shall be subjected to a production trial. Functional trial results must be approved by the affected stamping and assembly operation and Design Engineering. Results shall be made available to Materials Engineering prior to material approval. 4. G
13、ENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 FOURIER TRANSFORM INFRARED SPECTROSCOPY (FTIR) (ASTM E1252) An FTIR spectrum shall
14、 be submitted upon initial product validation and made available upon request. ENGINEERING MATERIAL SPECIFICATION WSS-M9G24-A1 Copyright 2015, Ford Global Technologies, LLC Page 3 of 3 4.2 KINEMATIC VISCOSITY at 100C, typical 4.6 mm2/s (ASTM D445, DIN 51562, ISO 3104) 4.3 FLASH POINT 180 C min (ASTM
15、 D92) 4.4 CONDENSING HUMIDITY RESISTANCE, 12 WEEKS Rating 6 min (FLTM BI 104-02, except 50C, evaluation per ASTM D610) 5. SUMMARY OF REVISIONS 2015 03 26 Sec. 3.3 Changed Coating Weight from 0.50 1.00 to 0.35 0.85 g/m2/side Sec. 3.7 Added max coating weight requirement Sec. 3.8 Added max coating weight requirement 2014 06 19 Sec. 3.4 Changed “Supplier” to “Applicator”. Changed substrate temp from 40C to 50C.
