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    FORD ESB-M2D175-A-2009 TUBING UNREINFORCED EPDM - VACUUM LINE TO BE USED WITH FORD WSS-M99P1111-A 《真空管道用不增强三元乙丙橡胶(EPDM)管件 与标准FORD WSS-M99P1111-A一起使用 》.pdf

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    FORD ESB-M2D175-A-2009 TUBING UNREINFORCED EPDM - VACUUM LINE TO BE USED WITH FORD WSS-M99P1111-A 《真空管道用不增强三元乙丙橡胶(EPDM)管件 与标准FORD WSS-M99P1111-A一起使用 》.pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 13 N-STATUS No known use. No Replacement Named C. Mracna, NA 2004 07 13 Revised Para 3.0 inserted; para 3.4 such as door lock vacuum hoses. 3. REQUIREMENTS Tests to be conducted on full sections of tubing unless otherwise indicated. 3.

    2、0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 COMPOUND The principal elastomer shall be ethylene propylene terpolymer (EPDM). 3.2 PHYSICAL PROPERTIES 3.2.1 Hardn

    3、ess - Durometer “A“ 65 - 75 (ASTM D 2240) 3.2.2 Tensile Strength, min 1500 psi (ASTM D 412) (10.3 MPa) Elongation, min 200% 3.2.3 Burst Pressure, min 150 psi (1.0 MPa) (ASTM D 380, duplex or multi extruded tubes shall be tested attached, one tube at a time, all diameters) 3.2.4 Tension Test, min 7/3

    4、2 in ID 150 lb (667 N) 5/32 in ID 85 lb (378 N) 7/64 in ID 40 lb (178 N) 3/32 in ID 25 lb (111 N) Test Method: The ends of a 10 in (250 mm) length of tubing shall be gripped in the jaws of a tensile testing machine. The machine shall be operated at a jaw separation rate of 20.0 +/- 1 in (508 +/- 25

    5、mm)/min until rupture of the tubing occurs. Multi extruded tubes shall be tested attached “as extruded“. Single tube tension breaking strength is determined by dividing the breaking strength of the multi extruded tubes by the number of tubes in the test assembly.ENGINEERING MATERIAL SPECIFICATIONESB

    6、-M2D175-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 3 3.2.5 Vacuum Collapse, max 30% Test Method: The tube shall be curved with a radius equal to 5 times the outside diameter and exposed to an internal vacuum of 24 in Hg (81 kPa) for 5 min. 3.2.6 Compres

    7、sion Set, max 35% (ASTM D 395, Method “B“, 22 h at 100 +/- 1 C) Test Method: The inside diameter of a 2 in (50 mm) section of tubing shall be coated with talc to prevent heat fusion. The test specimen shall be compressed 50% of the original outside diameter. The compression set shall be calculated o

    8、n the basis of the original deflection. 3.2.7 Wax Bloom No visible evidence of wax exudation on the inside or outside surface of the tubing. Test Method: A 6 in (150 mm) section of the tubing shall be twisted 360, 10 successive times, after which, the center 2 in (50 mm) section shall be compressed

    9、10 successive cycles by finger pressure or utilization of a compression device, to full closure of the inside diameter. The tubing shall then be sectioned longitudinally and examined for evidence of wax bloom. 3.2.8 Tear Resistance Must not tear Test Method: The tubing shall be expanded to minimum i

    10、nternal diameter of 2 times the nominal inside diameter by forcing the tube over a 30 tapered, clean, lubricated (ESB-M99B67-A, Silicone Emulsion Lubricant) metal cone that has a maximum finish of RMS 20 micro in (0.51 micro m). 3.2.9 Ozone Rating (FLTM BP 101-01) Mandrel Must meet ESB-M9P1-A Expand

    11、ed Must meet ESB-M9P1-A Note: Before testing, the expanded tubing of the outside surface shall be wiped with a cotton gauze wetted with M14J147 Naphtha to remove any wax or other foreign material which may affect the ozone test. 3.3 ENVIRONMENTAL RESISTANCE 3.3.1 Cold Resistance No fracture, cracks,

    12、 checks or breaks. Test Method: A 10 in (250 mm) min length of tubing shall be subjected to a temperature of -40 C for 5 h, after which the tubing shall be flexed in the cold chamber through 180 , from the center line in each direction, to a diameter 10 times the maximum outside diameter of the hose

    13、 at each extreme of cycle for 5 cycles. The rate of cycling shall be approximately 1 cycle in 4 s. Operator shall wear temperature conditioned gloves while conducting this test. ENGINEERING MATERIAL SPECIFICATIONESB-M2D175-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, L

    14、LC Page 3 of 3 3.3.2 Immersion in ASTM #1 Oil (ASTM D 471, 70 h at 100 +/- 3 C) After which the tubing must meet the requirements of para. 3.2.5 and 3.3.1. 3.3.3 Heat Aging (ASTM D 573, 70 h at 100 +/- 3 C) After which the tubing must meet the following requirements. Vacuum Collapse para. 3.2.5 Cold Resistance para. 3.3.1 Hardness - Durometer “A“ Change, max +10 Tensile Strength Change, max -15% Tear Resistance para. 3.2.8 Ozone Rating Must meet (FLTM BP 101-01, Mandrel Method) ESB-M9P1-A


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