1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 04 28 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.18 & 4 deleted 1999 12 23 Revised Rev Para 1, 3.3, 3.6, 3.7, 3.14, & 3.16 H. Chambers1999 08 24 Activated H. ChambersPrinted copies are uncontrolled Copyright 2004, Ford Global Techno
2、logies, LLC Page 1 of 2 GREASE, ANTI-SHUDDER LUBRICATION, WSS-M1C258-A1 HIGH TEMPERATURE RESISTANCE, CONSTANT VELOCITY JOINT 1. SCOPE The material defined by this specification is a lubricating grease consisting of a uniform blend of refined mineral oils, polyurea thickener, and antiwear/extreme pre
3、ssure additives. Provides improved friction coefficient to reduce shudder tendency. 2. APPLICATION This specification was released originally for grease used for automotive components as a long life, high temperature lubricant, and compatible with silicone rubber for constant velocity joints. 3. REQ
4、UIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 COLOR Blue - Green 3.5 POLYUREA THICKENER 9 - 14% (Calculated based on thickener raw materials in batch
5、) 3.6 MINERAL OIL VISCOSITY AT 100 C, Min 10.26 - 13.5 (ASTM D 445) mm2/s (cSt) 3.7 MINERAL OIL VISCOSITY AT 40 C, Min 95.9 - 124 (ASTM D 445) mm2/s (cSt) 3.8 VISCOSITY INDEX, Min 85 (ASTM D 2270) 3.9 DROPPING POINT (ASTM D 2265) 3.9.1 As Received, Min 250 C 3.9.2 After Aging 100 h at 150 C, Min 220
6、 C ENGINEERING MATERIAL SPECIFICATIONWSS-M1C258-A1Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 3.10 CONSISTENCY STABILITY (ASTM D 217) 3.10.1 60 Strokes Worked 290 - 330 (6.4 mm diameter hole) 3.10.2 1 x 105 Strokes Worked, Max. 50% increase over (6.4 mm
7、diameter hole) 60 stroke value 3.11 OXIDATION STABILITY (ASTM D 942) 3.11.1 Pressure Drop in 500 h, Max 135 kPa 3.11.2 Total Acid Number, Max 1.2 (From Samples in 3.11.1) 3.12 Water Content, Max 0.2% (ASTM D 95) 3.13 OIL SEPARATION, Max 5.0 mL (ASTM D 1742 modified to measure mL after 96 h) 3.14 FOU
8、R-BALL WEAR TEST, SCAR DIA, Max (ASTM D 2266) 75 oC 0.75 mm 3.15 FOUR-BALL WELD TEST, WELD POINT, Kg, Min 200 (ASTM D 2596) 3.16 CORROSION, Max 3 (ASTM D 1743, original method) 3.17 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufacturing parts shall be specified on the Engineering drawing. Engineering parts specification and/or performance specification. All critical areas with respect to these properties shall be clearly designated on the Engineering drawing.
