1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver 2 2008 06 04 N-STATUS Replaced by WSS-M2C200-D2 M. V. Swain, FOE 2006 03 22 Activated M. V. Swain Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 5 LUBRICANT, GEAR, FUEL ECONOMY, SYNTHETIC HYDROCARBO
2、N WSS-M2C200-D NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a transmission lubricant using synthetic hydrocarbon (PAO) base fluids compounded with viscosity index improvers and extreme pressure additives. 2. APPLICATION This specification was released original
3、ly for material used to provide general lubrication for manual transaxles and transmissions over a wide temperature range. The material has a fuel economy effect and is for lifetime fill. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 S
4、TANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 VISCOSITY 3.2.1 At 100 C, min 6.30 mm2/s (ISO 3104) 3.2.2 At -20 C, max 1 300 mPa.s (ASTM D 2983) 3.2.3 At -40 C, max
5、10 000 mPa.s (ASTM D 2983) 3.2.4 Shear Stability, max 3.0% (CEC L45-T 93/C, viscosity loss) Used bearing shear loss after run in period with Reference Oil RL 181/3 9 to 13% 3.2.5 Viscosity Index, min 160 (ISO 2909) 3.3 POUR POINT, max -51 C (ISO 3016) ENGINEERING MATERIAL SPECIFICATIONWSS-M2C200-D P
6、rinted copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 5 3.4 FLASH POINT, min 220 C (ISO 2592) 3.5 COPPER CORROSION (ISO 2160) 3 h at room temperature, max 1a 3 h at 120 +/- 2 C, max 1b 3.6 ANTI FOAMING PROPERTIES Foam Tendency Foam Stability (ASTM D 892) at end of 5
7、min at end of 1 min blowing period settling period Sequence 1, max 10 mL 0 mL Sequence 2, max 10 mL 0 mL Sequence 3, max 10 mL 0 mL Sequence 4, max 10 mL 0 mL (Sequence 4 to consist of 150 +/- 3 C, 200 mL/minute air) 3.7 FOAMING AFTER AGEING Foam Tendency Foam Stability (ASTM D 892) (CEC-L-48-A-95)
8、at end of 5 min at end of 20 sec 140 C, 10 L air/Hour, 24 Hours blowing period settling period Sequence 1, max 10 mL 0 mL Sequence 2, max 30 mL 5 mL Sequence 3, max 10 mL 0 mL 3.8 MOISTURE, max 0.05% (ISO 10337) 3.9 ODOR Materials shall produce no objectionable odor during any test performed herein.
9、 3.10 RUBBER COMPATIBILITY (ASTM D 471, para. 6.1, with aluminum block (or any approved equivalent) 168 hours at 150 +/- 3 C) Material 70 ACM 121433 (acrylic) Volume change from original +5 +/- 3% Durometer hardness change from original +3/-6 Material 75 FKM 595 (fluorocarbon) Volume change from ori
10、ginal +3 +/- 3% Durometer hardness change from original 0/+ 6 ENGINEERING MATERIAL SPECIFICATIONWSS-M2C200-D Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 5 3.11 OXIDATION TEST (CEC L-48-A-95/B) Blotter spot test, min 100 Viscosity increase at 100 C, max 10%
11、 Change in TAN (ASTM D 664, max) 2 mgKOH/g Sludge Not permitted 3.12 CONTAMINATION BY SOLID PARTICLES, scale number 20/16 (ISO 4406) 3.13 FRICTION AND WEAR BEHAVIOR OF DOUBLE-CONE SYNCHRONIZER DEVICES The material must fulfill the following requirements on friction and wear behavior in one-step endu
12、rance life tests. The results must be confirmed by at least two tests with less than 20% standard deviation of the mean endurance life of the tests. 3.13.1 Shifts to Failure, min 100,000 3.13.2 Coefficient of Friction See Figure 1 Figure 1 3.13.3 Clashing and Wear Report number of cycles up to clash
13、ing for each individual test and rate of wear for 1st and 2nd gears. ENGINEERING MATERIAL SPECIFICATIONWSS-M2C200-D Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 5 3.13.4 Ring Clearance Report difference in ring clearance between test start and end. Mean val
14、ue of three determinations. 3.13.5 Trend Plots Submit trend plots for each individual test with the following data. 3.13.5.1 Axial Load 3.13.5.2 Coefficient of Friction 3.13.5.3 Friction Torque vs. Sliding Time 3.13.6 Test Plots Submit test plots of the following shifts with data from 3.14.5 versus
15、carried out shifts. Shifts 2, 5, 10, 50, 100, 1000, 10,000, 20,000 etc. 3.13.7 Problems and Difficulties Report any observed problems or difficulties during the test run. Test Method: A complete synchronizer unit type IB5 1st/2nd gear comprising the following parts must be used for the investigation
16、s. Latest level parts must be obtained from Getrag Ford Manual Transmissions GmbH and are to be returned after testing. 1 x gear, transaxle, 1st speed 7100 1 x gear, transaxle, 2nd speed 7102 1 x hub, transaxle, synchronizer 7C115 2 x ring, transaxle, inner blocking 7107 2 x ring, transaxle, outer b
17、locking 7107 2 x cone, transaxle, synchronizer mesh 7M000 3 x insert, transaxle, synchronizer hub 7C396 2 x spring, transaxle, synchronizer retain 7109 1 x gear, transaxle, reverse mainshaft (sleeve) 7K013 Test Conditions: Force-increase-time (ramp) 80 ms Sample rate 400 Hz Inertia 0.06 kg.m2Cycle t
18、ime 6 s (Average friction-energy, or friction work/cycle time, to be = 12.0 x106(FVA sheet 2/4, July 1997, min five tests) 3.15 BEARING WEAR TEST (DIN 51819, 50, 80, 110 and 140 C, FE-8, 80 h) Rollers, weight loss, max 10mg Cage, weight loss, max 100 mg 3.16 EFFICIENCY TEST (Getrag Ford Transmission
19、s Hot Cold Function Rig Test (CVSP), 40 C, MMT6 Transmission 3S7R 7002 BD (Ford Mondeo ST220) The material must show a minimum 2.5% efficiency improvement over previously used WSD-M2C200-C material. 3.17 MISCIBILITY TEST The fluid shall be compatible with WSD-M2C200-C material when equal volumes of
20、each are heated to 150 +/- 5 C for one hour and then cooled to -40 +/- 5 C for one hour. There shall be no visual sign of deposits or separation. 3.18 DENSITY Report (Any agreed method) 3.19 FUNCTIONAL APPROVAL Materials being evaluated for initial approval may be subjected to a functional trial. Functional trial results shall be evaluated by Getrag Ford Transmissions GmbH prior to material approval and release 3.20 APPROVAL OF TEST FACILITIES The test facilities used for tests described in paragraphs 3.13, 3.14, 3.15 and 3.16 must have prior approval from Getrag Ford Transmissions GmbH.
