GMKOREA EDS-T-4571-2011 Test Procedure of Surface Hardness.pdf

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1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-4571 Test Procedure of Surface Hardness Do Not Use on New Program; No Replacement. Seat E+I$ 4G 98 88x 7 , F6* 72T8p) F$ . 1.1 +95 . Seat Cushion -C Back8 E+$ C2e G88x +958p) F$ . 1.2 957 -88 . +& Seat7 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F

2、 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 Seat* 4= M8 9IF 3L 8# Jig. 3.1.2 9I-L . 3.1.3 F:E84 8? . 3.1.4 -88?U9I 8? . 3.1.5 F:E?U9I 8? . 3.1.6 - 50 mm 8d% (,* 1 =l9 ). GM KOREA ENGINEERING STANDARDS EDS-T-4571 Copyright 2011 Gene

3、ral Motors Company All Rights Reserved September 2011 Page 2 of 4 Version : 3 Figure 1 / ,* 1 3.2 Test Piece. Minimum three new assembled seats. 4 Procedures 4.1 Preparation. 4.1.1 Fit the seat-fixing jig on the leveling surface table, and mount the seat on the jig. 4.1.2 Set the other seat adjuster

4、 systems to the positions specified in the design standard. 4.1.3 If the positions specified in the design standard are unknown, set the positions as follows: y Slider: center. y Torso angle: 25 28q. y Lifter: Lowermost position. y Lumbar support: weakest position. 4.2 Conditions. 4.2.1 Test Conditi

5、ons. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.3 Instructions. 4.3.1 Fit the jig on the position shown in fig. 2, and install the weight loading equipment on the cushio

6、n in perpendicular to the ground, and on the back in perpendicular to the torso line. 4.3.2 Load the weight of 6 kgf on the cushion and 3 kgf on the seat back with preliminary compression. 4.3.3 Load the weight on the cushion (0 kgf 6 kgf 0 kgf) and on the seat back (0 kgf 3 kgf 0 kgf) with the init

7、ial load of 0.5 kgf with a speed of 150 300 mm/min to create a load-displacement line graph. 3.2 4G D . 4E ASSY1B8 Seat* 3P 81 4G F$ . 4 4G 9F$ . y Lumbar Support: 6F 88? . 4.2 8-L 9 . 4.2.1 4G 9 . .,E:48p).Bd-6!#7 1F8t $-188 F8F6 F+ , 4)$+ , 4G 2e952P , .(2P&%7$+d%L66F$ . 4.3 4G - . 4.3.1 ,* 27t M8

8、t 88?7 Jig * 8=F Cushion8t :+7 3L:-F , Back8t Torso Line7 3L: -F8p) F:E84 8?* 8=F$ . 4.3.2 78p) Cushion8t 6 Kgf , Back8t 3 Kgf 8x 1G 84F$ . 4.3.3 0.5Kgf * 6 Kgf - 0 Kgf), BACK (0 Kgf - 3 Kgf - 0 Kgf)8 F:E8x 84F7 F:E -88 2T$* F$ . GM KOREA ENGINEERING STANDARDS EDS-T-4571 Copyright 2011 General Motor

9、s Company All Rights Reserved September 2011 Page 3 of 4 Version : 3 Figure 2 / ,* 2 5 Data 5.1 Data Analysis. Refer Figure 3 and calculate the data as follows: 5 4G $8Bd 5.1 Data .2Q . ,* 38x =l9F7 6x(7t M8 Data* 1F$ . Figure 3 / ,* 3 GM KOREA ENGINEERING STANDARDS EDS-T-4571 Copyright 2011 General

10、 Motors Company All Rights Reserved September 2011 Page 4 of 4 Version : 3 5.1.1 Constant of static spring (Tan ): The constants of the static spring will be Tan (kgf/mm) of the tangent line at the pressurization curves of the cushion of 4 kg weight, and the seat back of 2 kgs weight. 5.1.2 Transfor

11、mation (d): Obtain the transformation of the cushion at 4 kgf and of the seat back at 2 kgf. 5.2 Evaluations. Each data shall satisfy the regulations in drawings. 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safe

12、ty problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not

13、applicable. 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Test to EDS-T-4571 9 Release and Revisions This standard was originated in November 1998. It was first approved by Engineering Standard Committee in November 1998. It was first published in

14、November 1998. 5.1.1 9I Spring 13L (Tan ): 9I Spring 13L# Cushion8t F:E 4 Kgf, Back8t 2 Kgf72P 46?U 2T8 9E2T8 Tan F ( Kgf / mm )8p) F$ . 5.1.2 -GI( (d): Cushion 8t 4 Kgf, Back 8t 2 Kgf8 -GI(8x F$ . 5.2 D4 . 558 Data# $+9P* +9F . 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t

15、87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P4F:# 6#$ . &d(2P 17 987 95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . 7 768 9I8 7.1 98,l 76 . F$-1F 68 . 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . Test to EDS-T-4571 9 9P9I -C P9I 8)Y ., E:48t 19

16、98“x 1187 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1998 “x 11 87 38%L6$ . ., E:48t 1998 “x 11 87 ) 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 (Interior Subsystem Validation Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (Interior.ED4D4 )