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本文(FORD ESH-M4D292-A2-2009 TUBING POLYVINYL CHLORIDE - VACUUM LINE TO BE USED WITH FORD WSS-M99P1111-A 《真空管路用聚氯乙烯管件 与标准FORD WSS-M99P1111-A一起使用 》.pdf)为本站会员(fuellot230)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 ESH-M4D292-A2-2009 TUBING POLYVINYL CHLORIDE - VACUUM LINE TO BE USED WITH FORD WSS-M99P1111-A 《真空管路用聚氯乙烯管件 与标准FORD WSS-M99P1111-A一起使用 》.pdf

1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 30 N-STATUS No Replacement Named Y. Bankowski, NA 2005 01 25 Revised Inserted 3.0; Deleted 3.1, 3.4 & 4 1982 01 18 Released H8L59 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 TUBING, POLYVIN

2、YL CHLORIDE - VACUUM LINE ESH-M4D292-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a nonreinforced extruded polyvinyl chloride tubing. 2. APPLICATION This specification was released originally for material used as a mini tubing for vacuum line in body interi

3、or. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 ORIGINAL PROPERTIES 3.2.1 Hardness - Durometer “A“ 80 +/- 5 (ASTM D 2240) Hardness - Micro 80

4、 +/- 5 IRHD (ASTM D 1415) 3.2.2 Tensile Strength, min 1,500 psi (10.3 MPa) (ASTM D 412, pulled at 20 +/- 1 in (500 +/- 25 mm)/min) 3.2.3 Elongation, min 200% (ASTM D 412) 3.2.4 Burst Pressure, min 150 psi (1.0 MPa) (ASTM D 380) 3.2.5 Tension Test, min 22 lb (98 kPa) Test Method: The ends of a 10 in

5、(250 mm) length of 0.055 in I.D. tubing shall be fastened in the jaws of a tensile testing machine. The jaw separation rate shall be 20.0 +/- 1 in (500 +/- 25 mm)/min, until rupture of the tubing occurs. 3.2.6 Vacuum Collapse, max 30% Test Method: The collapse of the outside diameter of the tubing u

6、nder internal vacuum of 24 in Hg (81 kPa) for 5 min at 20 +/- 3 C shall not exceed 30%. The test shall be made with the tubing curved to a radium equal to 5 times the maximum outside diameter of sample. ENGINEERING MATERIAL SPECIFICATIONESH-M4D292-A2 Printed copies are uncontrolled Copyright 2009, F

7、ord Global Technologies, LLC Page 2 of 2 3.2.7 Tear Resistance Must not tear Test Method: The tubing shall be expanded to a minimum internal diameter of 2-1/2 times the normal inside diameter, by forcing the tubing over a 30, tapered, clean lubricated (silicone parting agent) metal cone that has a m

8、aximum finish of 20 in (0.5 m) rms. 3.3 ENVIRONMENTAL RESISTANCE 3.3.1 Cold Resistance Shall not fracture, show any cracks, checks or breaks Test Method: The tubing shall be subjected to a temperature of -40 C for a period of 5 h, after which the tubing shall be flexed in the cold chamber through 18

9、0 from the centerline in each direction to a diameter 10 times the maximum outside diameter of the hose at each extreme of cycle for 5 cycles. The rate of cycling shall be approximately 1 cycle in 4 s. 3.3.2 Heat Aging (ASTM D 573, 70 h at 100 +/- 3 C) After dry air aging the tubing must meet the fo

10、llowing: Vacuum collapse must meet requirements of para 3.2.6. Cold resistance must meet requirements of para 3.3.1. Hardness - Durometer “A“ Change, max +15 (ASTM D 2240) Tensile Strength Change, max -15% (ASTM D 412) Elongation Change, max -15% (ASTM D 412) Tear Resistance Must not tear (Test per para 3.2.7 to 2X nominal I.D.) Weight Loss, max -5%

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