1、 GMDAT ENGINEERING STANDARDS Test Procedures Powertrain Integration SUPERCEDED EDS-T-2002 Bellows, Drive Shaft Rear Axle RWD(High and Low Temperature Test) This standard may be applied only for current project (incl. 200 Series). It is Superceded for all future projects and replaced by SAE J 2028. G
2、 % GI%=&(8/ 2F8C7-)7:87 , 9474G Note: 8 E:48t G8 =9 (200 SeriesE F ) 7 FF7 957%L+ , FG P-P Program .Bd# SAE J 2028) $4=F7 957F$ . Copyright 2010 General Motors Company All Rights Reserved October 2010 Originating Department: GMDAT Engineering Standards Page 1 of 1 Version : 4 1 Introduction Note: N
3、othing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. Determination of the service life of bellows attached to the homokinetic joints of the drive shafts, at
4、ambient temperature of +80 E and (-40) E . 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. SAE J 2028 2.2 GM Standards/Specifications. None. 3 Equipment 3.1 Bellows Test Stand. 3.2 Hot-Cold Chamber. 3.3 Mechanica
5、l Test Fixture. 4 Preparation 4.1 Specific connecting pieces shall be made for the test stand to allow an installation of the bellows according to the respective design drawing, and be adjusted to base position of the joint. The base position is the arithmetic mean of the minimum and maximum values
6、of the joint travel according to the chart included in the release drawing. 4.2 Install the bellows in the test fixture according to drawing (assure that specified amount and type of lubricant is used). 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 +
7、95 . .88d 7$ +80 E7t -40 E72P &(8/ 2F8C8 Gl+A“XD% 98C (Homokinetic Joints)7 .=%P -)7:8 8TG 3L+8x ?U9IF$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . SAE J 2028 2.2 GM E:4 / . F$-1F 68 . 3 8? 3.1 -)7: 4G 3B& . 3.2 F -& =- . 3.3 d958 4G 9I . 4 :4/x 4.1 C3LF 7$ .E&8t 558
8、2X $+7 &d( -)7:8 2X?* )XF 4G 3B&7 6+ +&69l6 F , 98C8 d., 88?7 99IF$ . d., 88?# -dE %P $+7 E F%P =C (Chart)7 &d* 98C 8%*8 27t $4F8 13T D8p) F$ . 4.2 $+7 &d( 4G 9I 7 -)7:* 2X?F$ . (17%P 8XG8T8 9I%P 60 9* G8F ). GMDAT ENGINEERING STANDARDS EDS-T-2002 Copyright 2010 General Motors Company All Rights Res
9、erved October 2010 Page 2 of 2 Version : 4 4.3 Heat or cool test chamber to test temperature, +80 E or (-40) E . Maintain the test temperature for 2 hours prior to the test. 4.4 During the low temperature test, the final speed shall be reached within 5 seconds. 5 Procedure 4.3 .88d 7$ +80 E D# (-40)
10、 E) 4G =-* 47( D# !5F$ . 4G 98 248 % 6| 4G 7$* 8T:F$ . 4.4 947 4G % 6| 59 4G 2$7 $ F6 F$ . 5 4G 9 High temperature test / 7 4G Low temperature test / 947 4G Sample speed (min-1) / 4G E 2$ (min-1) 1,500 1,000 Joint angle () / 98C 5$ () 10 10 Axial movement / -F :%Amplitude (mm) / :E! (mm) Frequency (
11、Hz) / :0D3L (Hz) 4 0.3 - - Ambient temperature (K) / .88d 7$ (K) 353 (+80 E ) 233 (-40 E ) Running time / 4G 48 100 % Bogy Cycles: In cycles one cycle consists of 5 minutes running, 30 minutes standstill. / 9I 4G G3L (Bogy Cycles): 4G 1G# 5. 4G , 30. Hh48p) 2e . 6 Bogy 6.1 The number of samples is 6
12、 each for high temperature as well as low temperature test. 6.2 After a durability test of 120 cycles at low temperature, or 100 hours at high temperature, the samples must be fully functionable. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding
13、 System This standard shall be referenced in other documents, drawings, etc., as follows: EDS-T-2002 6 .(d 6.1 4G 2 F8t 947 , 74G 55 6P8$ . 6.2 94772P 12018A D# 772P 10048 ! 4G G7 2 F8t d#8x 8T:F6 F$ . 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 &#
14、 $80 M8 EdF$ . EDS-T-2002 GMDAT ENGINEERING STANDARDS EDS-T-2002 Copyright 2010 General Motors Company All Rights Reserved October 2010 Page 3 of 3 Version : 4 9 Release and Revisions This standard was originated in July 1996. It was first approved by GMDAT Engineering Standards in July 1996. It was
15、 first published in July 1996. 9 9P9I -C P9I 8)Y ., E:48t 1996 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1996“x 787 38%L6$ . ., E:48t 1996“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 OCT 2010 Superceded (Chassis Subsystem Validation Team) / F9I957 =* (24 .E D4D4 )
