GMKOREA EDS-T-7693-2011 Test Method for Air Permeability of Trim Materials 2.pdf

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1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-7693 Test Method for Air Permeability of Trim Materials 2 This standard may be applied only for current projects. It is Superceded for all future projects and replaced by ISO9237. 8% = !888 )dC0$ 4G - 2 Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P P

2、rogram .Bd# ISO9237 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved October 2011 Originating Department: GM Korea Engineering Standards Page 1 of 4 Version : 3 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict

3、between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. This standard aims at specifying the method of evaluating air permeability of the trim materials. 1.2 Applicability. This standard applies to materials for interior skin. 2 References Note: Only the late

4、st approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7507 2.3 Additional References. None 3 Resources 3.1 Equipment (See Figure 1). 3.1.1 Chamber capable of conditioning according to EDS-T-7507. 3.1.2 Incl

5、ined Barometer. With one end opening to the atmosphere and the other attached to the cylinder between the air hole and test piece. 3.1.3 Vertical Oil Barometer. With one end attached to the cylinder between the air hole and fan and the other attached to the cylinder between the air hole and fabric .

6、 3.1.4 Oil Tank. Each barometer shall be equipped with the oil tank. The oil tank for the vertical oil barometer shall have an area larger than the cross section of the barometer. 1 P7 :0 : ., E:48 68 $4d* FF 7()X 8 $* F;8t )d +0 4G D188 8B7 .6 8$ . 3.1.3 3L:GI 8Td6 . F;8 )d +0 D 188 8B7 .6 8 $* F;8

7、t )d +0 :,p188 8B7 .6 8$ . 3.1.4 948T9 : 5 8Td6# 948T94 88p+ , 3L:GI 8Td68 948T9# , $+95.($ A +958p) %L6 866 F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7693 Copyright 2011 General Motors Company All Rights Reserved October 2011 Page 2 of 4 Version : 3 3.1.5 Air Orifice. A total of 9, the diameter of

8、each is as follows: y 1.0 mm, 1.4 mm, 2.0 mm, 3.0 mm, 4.0 mm, 6.0 mm, 8.0 mm, 11.0 mm and 16.0 mm. 3.1.6 Air Orifice Mounting Piece. With length of 41 cm and diameter of 15 cm, it is equipped with a partition that permits provisioning of the air hole around the center. The fabric hole, on which the

9、test piece is positioned, lies at one side of the cylinder. On the other side of it is the suction fan that is operated by a motor. 3.1.7 Self-Aligning Clamp. 3.1.8 1362 g Beveling. (Bevel link: test piece mounting part). 3.1.9 Rheostat. 3.1.10 Calibration. Air permeation quantity of each air hole s

10、hall have been adjusted directly by the calibrated gas-O-meter. 3.1.11 Motor Speed Controller (Rheostat). 3.1.5 )d + . 9P8+ , , :*8t 55 $80 M$ . y mm, 1.4 mm, 2.0 mm, 3.0 mm, 4.0 mm, 6.0 mm, 8.0 mm, 11.0 mm and 16.0 mm. 3.1.6 8B4 . A d# l8 41 cm, :* 15 cm)2P :E8.7 )d +8x 8?F$) %P ?*84 8$ . 4G D8x “#

11、 :,p +8t 8B8 F;7 8 $* ;7# +Bd) 7:8# H8D8 8$ . 3.1.7 2tF8 6(8$ A(F8 3.1.8 1362 g ,h8 -l* . (Bevel Link: Test Piece Mounting Part). 3.1.9 4D 94Fd . 3.1.10 ?*/) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 OCT 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 )

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