1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7658 Test Method for Determining the Breaking Strength of Components Made from Compressed Fibrous Materials Do Not Use on New Program; No Replacement. 6 28T8:) +& 9PE8 D7(I$ 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$
2、. Copyright 2011 General Motors Company All Rights Reserved September 2011 Originating Department: GM Korea Engineering Standards Page 1 of 3 Version : 3 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English l
3、anguage, the Korean language shall take precedence. 1.1 Purpose and Applicability. This standard is used to determine the breaking strength of molded components made from hardboard, wood fiberboard etc. when acted upon by an indenting force. 2 References Note: Only the latest approved standards are
4、applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Tensile Test Equipment. Apparatus capable of traversing at a speed of (101) mm/min, equipped with a compression ca
5、ge of sufficient size and capacity to accommodate the test piece and test indentor. 3.1.2 Supporting frame, of similar size and shape to those of test piece, capable of supporting adequately the test piece during the test. (Where necessary more specific details of the supporting frame may be shown o
6、n the drawing or material specification.) 3.1.3 Indentor of circular shape (320.5) mm in diameter with edges rounded to (321) mm radius. 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 -C 957 -88 . ., 4G -8t :,p (Textile Fabrics), DC (Felts), C 7 (
7、Cotton Wools), 6+ (Fleeces) &%8 8:72P 6#+t G6 -C ,h 2e.8 1$4 .2Q/x (Relative Proportions)* 9IFd 88F 17F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . None 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 88 4G 8/x . 4G 2$ (10 r 1) mm/min8x 8T:F 3L 8 4
8、G D0 ?8d* 8=F7 64G 8x Fd7 .F A d7t 7(8x J 8/x . 3.1.2 4G D8 A d -C GI10 8T1F+ 4G :E 4G D8x 959$4 H8x F G d)F$ . 5 4G $8Bd 5.1 0 E4 . ?U9I%P D7( I$# 5 4G 08 13T DF8x ?F7 N8p) !A!+ , 1 N: E4F$ . 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t 87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P
9、4F:# 6#$ . &d(2P 17 987 95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . GM KOREA ENGINEERING STANDARDS EDS-T-7658 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 3 of 3 Version : 3 7 Notes 7.1 Glossary. Breaking Strength: To be the force, acti
10、ng in compression through a standard indentor, necessary to rupture the component or section there from. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: 7 768 9I8 7.1 98,l 76 . D7( I$ : E:4 ?8
11、d7 6)Y8x 4F7 9PE D# 9PE8 F .8 D7( %T &8 H . 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . English Breaking Strength to EDS-T-7658 - 20 N min Requirements Test Method Designation ,l D7(I$ - EDS-T-7658 - 20 N min 7 9 4G - 4G F+ 9 Release and Revisions This standard
12、was originated in June 1994. It was first approved by Engineering Standard Committee in June 1994. It was first published in June 1994. 9 9P9I -C P9I 8)Y ., E:48t 1994 “x 6 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1994“x 687 38%L6$ . ., E:48t 1994“x 687 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 SEP 2011 Apply new Engineering Standard Template. Limited use with no replacement (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 )
