1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver 3 2010 03 11 Revised See Summary of Revisions M. V. Swain 2008 05 28 Revised Inserted 3.17.1, 3.17.2, 4, 3.22 Revised the Title, 1, 2, 3.4.2, 3.4.4, 3.8, 3.10.1, 3.10.2, 3.14, 3.15, 3.17 Deleted 3.9 Added 3.21 Printed copies are uncontroll
2、ed Copyright 2010, Ford Global Technologies, LLC Page 1 of 4 FLUID, WET DOUBLE CLUTCH TRANSMISSION, FULL-SYNTHETIC WSS-M2C936-A 1. SCOPE The material defined by this specification is a wet double clutch transmission fluid composed of a synthetic base fluid and performance enhancing additives. 2. APP
3、LICATION This specification was originally released for fluid used to provide general lubrication for automatically operated manual transmissions comprising a wet double clutch system. It provides specific frictional characteristics for hydraulic control, and heat transfer. 3. REQUIREMENTS 3.1 STAND
4、ARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COLOR Dyed Green (Visual) Subsequent batches must be visually consistent with the original sample color. 3.3 MISCIBILITY T
5、EST Material approved to this specification must be miscible with all other approved materials in all proportions. These blends must also meet all requirements of this specification. Miscibility is checked by mixing the material 50:50 and 10:90 by volume with all other approved materials. Heat all m
6、ixtures to 150 +/- 2 C for one hour and then cool to -40 +/- 2 C. No visible deposits or separation shall occur (visual check only). Contamination with any other material not meeting this specification is prohibited. 3.4 VISCOSITY 3.4.1 At 100 C, min 6.4 mm2/s (ISO 3104, ASTM D 445) 3.4.2 At -26 C,
7、max 2,000 mPa.s (DIN 51398, ASTM D 2983) 3.4.3 At -40 C, max 7,500 mPa.s (DIN 51398, ASTM D 2983) ENGINEERING MATERIAL SPECIFICATIONWSS-M2C936-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.4.4 Shear Stability (Kinematic Viscosity) (CEC L-45-A-99) Visco
8、sity loss at 20h, 100 C, max 3% Used bearing shear loss after run-in period 9 - 13% with reference oil RL 181/6 Viscosity index, min 150 Viscosity loss at 192h, 100 C, max 5% 3.5 POUR POINT, max -60 C (ISO 3016) 3.6 FLASH POINT, min 200 C(ISO 2592) 3.7 COPPER CORROSION, max (ISO 2160) 3 hours room t
9、emperature, max 1a 3 hours 150 +/- 2 C, max 1b 3.8 RUST PROTECTION, 24 hours No rust (ISO 7120, ASTM D 665 Procedure A) 3.10 ANTI-FOAMING PROPERTIES (ASTM D 892/6082) 3.10.1 New oil Foam Tendency Foam Stability at end of 5 min at end of 1 min blowing period settling period Sequence 1, max 20 mL 0 mL
10、 Sequence 2, max 30 mL 0 mL Sequence 3, max 20 mL 0 mL Sequence 4, max 100 mL 0 mL (For Sequence 4 use ASTM D 6082, static foam, 150 C +/- 3 C; 200 ml air/min) 3.10.2 Used Oil (CEC-L48-A-00(B), 140C / 24 hours / 5 liters air per hour) Foam Tendency Foam Stability at end of 5 min at end of 1 min blow
11、ing period settling period Sequence 1, max 20 mL 10 mL Sequence 2, max 60 mL 10 mL Sequence 3, max 20 mL 10 mL ENGINEERING MATERIAL SPECIFICATIONWSS-M2C936-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.11 MOISTURE, max 500 ppm (ISO 10337, ASTM D 6304)
12、3.12 ODOR Material manufactured to this specification shall produce no objectionable odor under any test performed herein, particularly the tests described in paragraph 3.7 (30 minute and 60 minute intervals during the 3-hour test) and paragraph 3.15. 3.13 DENSITY 837,0 - 839,0) kg/m3(ISO 12185) 3.1
13、4 ELASTOMER COMPATIBILITY (ASTM D 471, paragraph 6.1, using aluminum block or all approved equivalents. 168 hours at 150 +/- 3 C) 70 ACM 121433 (Acrylic Rubber) Volume change +5 +/- 3% Durometer hardness +3/-6 75 FKM 595 (Fluorinated Rubber) Volume change +3 +/- 3% Durometer hardness 0/+ 6 HNBR 7517
14、8 (Hydrogenated Acrylonitrile-Butadiene Rubber) Volume change Report Durometer hardness Report 3.15 OXIDATION TEST (CEC L-48-A-00, 170C, 192 hours) Blotter spot test, min 100 Viscosity increase at 100 C, max 5% Change in Total Acid Number (ASTM D 664), max 2.0 mg KOH/g Sludge Not Permitted 3.16 CONT
15、AMINATION BY SOLID PARTICLES, scale number 15/12 (ISO 4406) ENGINEERING MATERIAL SPECIFICATIONWSS-M2C936-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4 3.17 GEAR PROTECTION PROPERTIES 3.17.1 FZG STEP TEST, A10/16.6R/90 (FVA sheet 243/2, May 1996 ) Number
16、of runs, min 3 Failure stage, min 8 3.17.2 Pitting Capacity Test, PT C/9/90 (FVA sheet 2/4, July 1997) Number of runs, min 5 LW10%, LW50% Report (Only for initial release. One run only, for each test, required for yearly confirmation) 3.18 BEARING WEAR TEST (DIN 51819, at 50 C, 80 C, 110 C and 140 C
17、) FE-8, 80 hours. Weight loss of rollers, max 10 mg (Only for initial release, Runs at 50 C and 140 C required for yearly confirmation) 3.19 FUNCTIONAL APPROVAL Materials being evaluated for initial approval may be subjected to a functional trial. GETRAG Engineering shall evaluate functional trial r
18、esults prior to material approval and release. 3.20 APPROVAL OF TEST FACILITIES The test facilities used for tests described in paragraphs 3.4.4, 3.17 and 3.18 must have prior approval from GETRAG Engineering. 3.22 SILICON-CONTENT, new oil 16+/- 2 ppm (ICP Inductively Coupled Plasma Optical Emission
19、 Spectroscopy, DIN 51390-4, DIN 51396-1) 4. SUMMARY OF REVISIONS 2010 03 11 Minor grammatical corrections 3.4.1 Added alternate test method ASTM D445. 3.4.2 Added alternate test method DIN 51398. 3.4.3 Added alternate test method DIN 51398. 3.4.4 Updated test method to CEC L-45-A-99. Updated Referen
20、ce Oil to RL 181/6. Added 192h requirement 3.10 Clarified Sequence 4 parameters Updated ageing method to CEC-L48-A-00(B), decreased air-flow from 10 to 5 liters. 3.11 Added alternate method ASTM D 6304 3.13 Added method and range 3.14 Corrected “75 ACM” to “70 ACM” 3.15 Added “LW50%” requirement and minimum number of runs for qualification and yearly report. 3.22 Added test methods.
