1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 15 Revised See summary of revisions L. Schmalz, NA 2004 01 30 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.5, 3.6 and 4 deleted 1999 11 22 Activated H. Chambers T. ShanPrinted copies are uncontrolled Copyright 2010, Ford Global Tec
2、hnologies, LLC Page 1 of 3 GREASE, UNIVERSAL JOINT WSS-M1C147-B 1. SCOPE The material defined by this specification is grease consisting of a uniform blend of refined mineral oil, lithium 12 hydroxy stearate soap, extreme pressure and anti-wear additives, and rust inhibitors. 2. APPLICATION This spe
3、cification was released originally for grease used to lubricate universal joint needle bearings and is currently used for axle applications. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For
4、 Production Materials (WSS-M99P1111-A). 3.2 COLOR Green 3.3 WORKED PENETRATION, tenths of a millimeter 300 - 320 (ASTM D 217, DIN ISO 2137, 60 stroke) 3.4 DROPPING POINT 177 oC, min (ASTM D 566 or ASTM D 2265, DIN ISO 2176) 3.5 BASE OIL VISCOSITY 3.5.1 Viscosity At 40 oC, 178.0 - 216.2 mm2/sec (ASTM
5、 D 445, DIN 51562) 3.5.2 Viscosity At 100 oC, 14.26 mm2/sec (ASTM D 445, DIN 51562) 3.5.3 Viscosity Index 80 min (ASTM D2270) 3.6 FOUR BALL WEAR 0.50 mm, max (ASTM D 2266, DIN 51350 T 5 2h, 1200 rpm, 40 Kg, 75 oC) 3.7 OIL SEPARATION DURING STORAGE 10% max (ASTM D 1742 or Federal Standard 791C, Metho
6、d 321.3, DIN 51817) ENGINEERING MATERIAL SPECIFICATIONWSS-MIC147-B Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC. Page 2 of 3 3.8 FILM STRENGTH DURABILITY (FLTM BJ 104-04) 3.8.1 Test Time 8h, 10 lb (4.6 KG) Load No Score 3.8.2 Scar Width After 8h Test 1.4 mm max 4. GE
7、NERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Grease approved to this specification should have the following typical properties. 4.1 LITHIUM THICKENER 5-9% (ASTM D 128) 4.2 FILLER (MOLYVAN “A“) 3% min 4
8、.3 MINERAL OIL 85% min (ASTM D 128) 4.4 PROLONGED WORKED PENETRATION, +/- 15% max change(ASTM D 217, DIN ISO 2137, 100,000 strokes) from 60 stroke result 4.5 OXIDATION STABILITY 269 kPa loss (ASTM D 942, 1000 hr at 100 C, or DIN 51808) 4.6 COPPER CORROSION, 3b max (ASTM D 4048) 4.7 WATER WASHOUT 10%
9、 max (ASTM D 1264, DIN 51807 T02) 4.8 INTERFACE COMPATIBILITY Production representative materials specific to the application should be used for the following tests. 4.8.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01) Note: Not tested for initial application of this grease. Grease must be tes
10、ted for chemical attack to painted surfaces when used for additional applications that come in contact with paint surfaces, ex. E-coat and powder coat. 4.8.2 Resistance to Stress Cracking (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be tested for resistance t
11、o stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic. ENGINEERING MATERIAL SPECIFICATIONWSS-MIC147-B Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC. Page 3 of 3 4.8.3 Elastomer Compatibility
12、(ASTM D 4289, 70 h, 100 C, DIN 53505, DIN 53504) Volume change Hardness change, max Tensile Strength change Note: Not tested for initial application of this grease. Grease must be tested for elastomer compatibility when used for additional applications that come in contact with elastomers. Applicati
13、on specific elastomer should be used for testing instead of a reference elastomer. 5. SUMMARY OF REVISIONS 2010 06 15 Deleted filler content and Timken cup corrosion Moved the following to General Info: Soap content 100,000 worked penetration Oxidation stability Copper corrosion Water washout Added Interface compatibility to General Info
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