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本文(FORD WSA-M96D33-A2-2006 HOSE REINFORCED RUBBER FUEL ALCOHOL RESISTANT NON-CONDUCTIVE LOW PERMEATING TO BE USED WITH FORD WSS-M99P1111-A 《低渗透性耐燃料 乙醇的不导电增强型橡胶软管 与标准FORD WSS-M99P11.pdf)为本站会员(unhappyhay135)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSA-M96D33-A2-2006 HOSE REINFORCED RUBBER FUEL ALCOHOL RESISTANT NON-CONDUCTIVE LOW PERMEATING TO BE USED WITH FORD WSS-M99P1111-A 《低渗透性耐燃料 乙醇的不导电增强型橡胶软管 与标准FORD WSS-M99P11.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 31 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.25 & 4 1993 04 14 Released NC00-E-10244447-008 J. Spencer Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 6 HOSE, REINFORCED RUBBER, FUEL/ALCOHO

2、L RESISTANT WSA-M96D33-A2 NON-CONDUCTIVE, LOW PERMEATING 1. SCOPE This specification defines a reinforced synthetic rubber hose with good resistance to fuel/alcohol blends. 2. APPLICATION This specification was released originally for flex fuel tank filler and vent hoses. 3. REQUIREMENTS 3.0 STANDAR

3、D REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 HOSE CONSTRUCTION The hose shall consist of a smooth bore fluoroelastomer (70% fluorine) lined tube, an outer tube layer of

4、epichlorohydrin rubber, one ply of braided, knit, or spiral woven fabric, and an outer epichlorohydrin rubber cover. 3.5 PHYSICAL PROPERTIES The following tests, where possible, shall be performed on finished hoses and/or test specimens cut from them in accordance with ASTM D 3183 (cutting knife pro

5、cedure preferred). Greater variation in test values can be anticipated when evaluating materials that are thinner than recommended by an applicable Industry Standard/Test Method. 3.6 ORIGINAL PROPERTIES Veneer Cover Tube 3.6.1 Hardness, International 60 70 60 70 60 - 70 (ISO 48/ASTM D 1415, micro) 3

6、.6.2 Hardness, Durometer A 65 75 65 75 65 - 75 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometers shall not be used) 3.6.3 Tensile Strength, MPa, 7.0 8.6 8.6 min (ISO 37/ASTM D 412, Die C) 3.6.4 Elongation at Break, %, 250 200 200 min (ISO 37/ASTM D 412, Die C) ENGINEERING

7、MATERIAL SPECIFICATION WSA-M96D33-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 6 Veneer Cover Tube 3.6.5 Modulus at 100% Elongation, MPa, min 1.9 1.9 1.9 (ISO 37/ASTM D 412, Die C) 3.7 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 168 h at 125

8、 +/- 2 C) Hardness Change, max N/R +20 +15 Tensile Strength Change, %, max N/R -10 -10 Elongation Change, %, max N/R -65 -50 3.8 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C) Hardness Change, max N/R +11 +11 Tensile Strength Change, %, max N/R +5 +5 Elongation Chang

9、e, %, max N/R -40 -40 3.9 IMMERSION IN FUEL C (ISO 1817/ASTM D 471, 70 h at 40 +/- 2 C) Hardness Change, max -7 -15 N/R Tensile Strength Change, %, max -15 -40 N/R Elongation Change, %, max -15 -40 N/R Volume Change, %, max +10 +40 N/R 3.9.1 Dry Out (24 h at 70 +/- 2 C) Hardness Change, max -15 N/R

10、N/R Volume Change, %, max - 10 N/R N/R (Use specimens from para 3.7) 3.10 IMMERSION IN 75% FUEL C +25% METHANOL (ISO 1817/ASTM D 471, 70 h at 40 +/- 2 C) Hardness Change, max -5 N/R N/R Tensile Strength Change, %, max - 40 N/R N/R ENGINEERING MATERIAL SPECIFICATION WSA-M96D33-A2 Printed copies are u

11、ncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 6 Veneer Cover Tube Elongation Change, %, max -20 N/R N/R Volume Change, %, max +20 N/R N/R 3.10.1 Dry Out (24 h at 70 +/- 2 C) Hardness Change, max +10 N/R N/R Volume Change, %, max -10 N/R N/R (Use specimens from 3.8) 3.11 BURST P

12、RESSURE, min (ASTM D 380) Hose Size, mm Burst Pressure (Approximate I.D.) MPa Below 9.53 1.72 9.53 - 15.87 1.20 15.87 and larger 0.34 3.12 VACUUM COLLAPSE, max 20% Test Method: The hose shall be subjected to a vacuum of 68 kPa while bent over a mandrel having a diameter of 10 times the nominal O.D.

13、of the hose for a duration of 24 h at 100 +/- 2 C. The outside diameter shall not be less than 90% of the original. This requirement shall not apply to sizes larger than 15.87 nominal I.D. 3.13 COLD FLEXIBILITY, Hose No cracks or breaks Test Method: A 450 mm length of hose filled with Fuel C shall b

14、e aged for 70 h at 23 C. After aging, the hose shall be drained. Then, hose together with a mandrel having a diameter 10 times the nominal O.D. will be conditioned for 70 h at -40 C. The conditioned hose shall show no signs of cracking or disintegration when bent 180 over the mandrel. This flexing s

15、hall be accomplished within four seconds. For straight hose over 17.28 mm I.D. and all preformed hoses, prepare strips from the Fuel C aged hose 13 mm wide with length to be equal to the developed length of the part. Condition the strips and a 130 +/- 3 mm mandrel for 70 h at -40 C. Bend the strips

16、over the mandrel and examine for cracking. 3.14 HIGH TEMPERATURE RESISTANCE No cracks Test Method: Prepare for oven aging a piece of hose bent into a free loop (approx 250 mm diameter) until the ends meet. For straight hose over 19.05 mm I.D. and all preformed hoses prepare strips of hose 13 mm wide

17、 with length to be equal to the developed length of the part. Age hose or test specimens in an air circulating oven for 70 h at 124 +/- 2 C. At the end of the aging period examine for cracks, restraighten and/or re-loop and examine again noting all conditions. No signs of cracking are permitted when

18、 examined with a 7X power glass. ENGINEERING MATERIAL SPECIFICATION WSA-M96D33-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 6 3.15 OZONE RESISTANCE, Cover Rating 0 Test Method: FLTM BP 101-01, Procedure B, after the following sequence: . Immerse in Fuel

19、C for 48 h at 23 +/- 2 C . Air dry for 70 h at 23 +/- 2 C . Elongate 20 % 3.16 OVALITY, min 75% (Not applicable to hoses with I.D. greater than 16.28 mm, unless otherwise specified on engineering drawing) I.D. minimum Ovality = _ x 100 I.D. maximum 3.17 FLAMMABILITY, Cover Self extinguishing (ISO 37

20、95) in 1 minute 3.18 FUEL PERMEABILITY RESISTANCE, 40 C, 13.8 kPa 90 g/m2/24 h 75% FUEL C/25% METHANOL 60 C, 13.8 kPa 200 g/m2/24 h (FLTM BP 114-02, fuel permeation by recirculation, 40 C) Veneer Cover Tube 3.19 COMPRESSION SET, max 50 85 85 (ISO 815/ASTM D 395, Method B, except 25% compression, pli

21、ed-up specimens, 22 h at 120 +/- 2 C) 3.20 ADHESION, min (ASTM D 413, Strip Method, Type A) Veneer to Tube 1.7 kN/m Tube to Cover 1.7 kN/m 3.21 RESISTANCE TO KINKING (Not applicable to hoses with I.D. greater than 16.28 mm, unless specified on engineering drawing) Test Method: Insert required length

22、 of hose on test fixture securing each end with metal clamps. When installing hose, it shall be bent within 5 s in the same plane and direction as its free state curvature. Place fixture in an oven at 120 +/- 2 C for 1 h. Remove fixture from oven and within 5 minutes pass a steel ball of specified d

23、iameter through hose installed on fixture. Ball must pass freely. ENGINEERING MATERIAL SPECIFICATION WSA-M96D33-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 6 Nominal I.D., I.D. Limit Test Sample Ball Diameter mm mm Length, mm, min mm 4.8 3.58/4.34 200 1

24、.68 +/- 0.05 6.4 4.88/6.76 250 2.40 +/- 0.05 7.9 6.91/8.33 300 3.20 +/- 0.05 9.5 8.51/9.91 400 3.95 +/- 0.05 12.7 11.55/13.08 475 5.08 +/- 0.05 15.9 14.60/16.28 690 7.87 +/- 0/05 Sample Selection: Production hose selected for the kink test should represent, as nearly as possible, minimum wall thickn

25、ess. When recording results include wall thickness, ovality, and dimension “A“ (see above). This dimension is measured while sample is on the test fixture. 3.22 INSTALLATION EFFORT, max 89 N Test must be completed satisfactorily with initial production parts for ISIR approval. Parts must be retested

26、 whenever any change is made which may affect part installation effort. Test Method: Cut hose to 41 +/- 2.5 mm length and immerse one end in 20W oil to approximately 6.4 mm depth. Immediately install hose on the test fixture with lubricated end inserted over SAE J962 Style A formed tube to an engage

27、ment of 19 mm. Test load application shall not exceed 1 minute. Nominal Diameter A Diameter B Diameter C (Reference) mm +/- 0.05 mm +/- 0.08 mm +/- 0.08 4.8 Ref SAE 3.58 9.55 6.4 Ref SAE 5.33 11.81 7.9 Ref SAE 6.91 14.68 9.5 Ref SAE 8.51 15.67 19.1 22.5 18.30 26.20 31.8 35.5 32.00 40.90 38.1 42.2 38

28、.00 47.10 44.5 48.9 44.00 53.30 ENGINEERING MATERIAL SPECIFICATION WSA-M96D33-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 6 of 6 3.23 HOSE ELONGATION, min 135% Test Method: Elongate a minimum 150 mm length of hose marked with 25 mm gage length to 135% (59 mm

29、 between gage marks) at a rate of 500 mm/minute. Remove from fixture and examine for cracks or breaks. None are allowed. Proof pressure test at 35 kPa of water or air under water may alternatively be used after 135% elongation to indicate pass or fail. Use production hose clamps and mandrels simulat

30、ing production tube end form. 3.24 HOSE IDENTIFICATION The colored tracer cord in the reinforcement of the hose may be used for source identification. The color shall be determined between Purchasing and the supplier. The word gas/fuel and the coding described below shall appear on the outer cover o

31、f the hose in contrasting color and repeated at intervals of 60 mm or less. Mandrel cured hose may be coded once per part. The following format is recommended: a) Supplier identification code. b) Date of manufacture (week, year) and plant designation if supplier has more then one plant producing hos

32、es to this specification. No space between letters. Mandatory on hoses longer then 80 mm only. c) Ford trademark on hoses longer then 150 mm. d) All of the above printing shall be clearly and legibly printed letters of 4.5 - 6 mm in height and width. When hose is less then 80 mm long, width of letters may be 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 = Week (2-digit number)

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