FORD WSD-M96D40-A1-2012 TUBE EPDM RUBBER ENGINE COOLANT LOW COMPRESSION SET TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2012 05 03 N Status No usage or replacement A. Reaume, NA 2006 09 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.4, 3.16, 3.17 & 4 1996 06 24 Activated B. Hennessey Controlled document at www.MATS Copyright 2012, Ford Global Technologies

2、, LLC Page 1 of 4 TUBE, EPDM RUBBER, ENGINE COOLANT, LOW WSD-M96D40-A1 COMPRESSION SET TUBE, EPDM RUBBER, ENGINE COOLANT, LOW WSD-M96D40-A2 COMPRESSION SET, LOW EXTRACTABLE ZINC NOT TO BE USED FOR NEW DESIGNS 1. SCOPE This specification defines unreinforced, engine coolant tubing. 2. APPLICATION The

3、se specifications were released originally for de-gas tubing with a wall thickness of 2.5 mm min. and a normal I.D. of 9 mm max. The tube has good resistance to compressive creep under securing clamps. The hose will with-stand coolant and ambient air temperatures up to 120 C but has limited resistan

4、ce to excessive oil contamination and poor resistance to fuel contamination. Suffix A2 tubing shall be used where the amount of coolant extractable zinc compounds has to be limited to prevent the build up of zinc rich material in the radiator core and de-gas bottle. 3. REQUIREMENTS 3.0 STANDARD REQU

5、IREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 DYNAMIC MECHANICAL ANALYSIS (ASTM D 4065) Ford Motor Company, at its option, may establish a shear modulus/ damping vs. temperatur

6、e curves plotted for 50 to +150 C temperature range for material/parts supplied to this specification. The shear modulus and damping curves established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall prod

7、uce shear modulus and damping curves that correspond to the reference standard when tested under the same conditions. 3.5 TUBE CONSTRUCTION The tube shall consist of a single extrusion of ethylene/propylene rubber (EPDM). 3.6 MATERIAL TESTING 3.6.1 Preparation of Test Specimens Whenever possible, al

8、l test specimens shall be die-cut from the finished parts. When not feasible, specimens cut from molded test sheets manufactured from the same material and with equivalent cure to molded parts are recommended. The test sheets shall have the following dimensions: 150 x 150 mm, minimum x 2.0 +/- 0.2 m

9、m ENGINEERING MATERIAL SPECIFICATION WSD-M96D40-A1/A2 Copyright 2012, Ford Global Technologies, LLC Page 2 of 4 3.7 ORIGINAL PROPERTIES 3.7.1 Hardness, International A 60 - 70 (ISO 48/ASTM D 1415) 3.7.2 Tensile Strength, min 7.0 MPa (ISO 37/ASTM D 412, Die C) 3.7.3 Elongation at Break, min 225% (Tes

10、t method according to para 3.7.2) 3.7.4 Modulus at 100% Elongation 2.5 - 5.0 MPa (Test method according to para 3.7.2) 3.7.5 Ozone Resistance, max Rating 0 (FLTM BP 101-01, Procedure A or B) 3.8 HEAT AGED (ISO 188/ASTM D 573, 150 air changes/h, 1000 h at 120 +/- 2 C) Hardness change, max +20 Tensile

11、 Strength Change, max -15 Elongation at Break Change, max -65 3.9 IMMERSION IN CURRENTLY RELEASED PRODUCTION ENGINE COOLANT (FLTM BO 130-01, at 1000 h at 120 +/- 2 C, see para 5) Hardness Change, max -10 Tensile Strength Change, max -20% Elongation at Break Change, max -45% Volume Change -10 to +15%

12、 3.10 EXTRACTABLE ZINC COMPOUNDS, max (A2 only) 0.1% (FLTM BP 108-09) 3.11 BURST PRESSURE Unless otherwise shown on the Engineering Drawing or Engineering Specification, ASTM D 380, except for molded hose test on full hose, for straight hose use 250 mm length. Hose I.D. Burst 9 mm, max 0.75 MPa, min

13、 ENGINEERING MATERIAL SPECIFICATION WSD-M96D40-A1/A2 Copyright 2012, Ford Global Technologies, LLC Page 3 of 4 3.12 FLEXIBILITY AT 40 C No cracking (FLTM BN 102-01, except use mandrel 10 x nominal I.D). 3.13 COMPRESSION SET, max 70% (FLTM BP 108-06, 24 h at 120 +/- 2 C) 3.14 IMPULSE STRENGTH Shall n

14、ot burst, (Unless otherwise shown on the Engineering leak or show any Drawing or Engineering Specification) visible defects 3.14.1 Test Sample A minimum of 4 samples of each hose design, selected at random from production, shall be tested to prove compliance with the requirements. All hoses 300 mm o

15、r less in total length shall be tested as received. Hoses longer than 300 mm may be cut to 300 mm for test purposes (test sample to include the most extreme bend if hose is formed). 3.14.2 Test Procedure (for hoses with I.D. 9 mm, max) The samples shall be subjected to a total of 200 internal pressu

16、re pulses at a rate of 6 to 8 pressure cycles/minute with initial pressure between 0 and 276 kPa then increased over a period of 3 to 6 s to the peak pressure of (600 +/- 30) kPa. Specified coolant mixture maintained at 100 +/- 5 C shall be circulated through the hose during test. After running the

17、test for 5 complete cycles test change in burst. 3.14.3 Burst Pressure Change, max -20% (Test according to para 3.11) 3.15 HOSE IDENTIFICATION (Unless otherwise specified on engineering drawing) Hose shall be identified as follows: a) Supplier identification code. b) Date manufacture (month, year) a

18、nd plant designation if supplier has more than one plant producing hoses to this specification. No space between letters. Mandatory on hoses longer than 80 mm only. c) Ford trademark on hoses longer than 150 mm. d) All of the above printing shall be clearly and legibly printed letters of 4.5 - 6 mm

19、in height and width. When hose is less than 80 mm long, width of letters may br reduced to 3 mm. The following code format is recommended, but not mandatory: G 2 01 Where: G = Plant Designation 2 = Year (single digit) 01 = Month (2-digit number) ENGINEERING MATERIAL SPECIFICATION WSD-M96D40-A1/A2 Co

20、pyright 2012, Ford Global Technologies, LLC Page 4 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 For information on currently approved engine oils for use in this specification contact: Ma

21、terials Laboratory 15/GM-DO1-D Fluids Materials Section Research & Engineering Center Coolant/Greases Ford Motor Company Ltd. Engine Engineering Laindon, Basildon P.O. Box 2053 Essex SS15 6EE, England 21500 Oakwood Boulevard Dearborn, MI 48121, USA Material Engineering Product Engineering Office Ford Motor Co. Australia Ltd. Princes Highway, Norlane Victoria 3214, Australia 5.2 Hardness, Durometer A 60 - 70 (ISO 868/ASTM D 2240)