1、 GMDAT ENGINEERING STANDARDS General Specification Interior SUPERCEDED EDS-T-2605 Performance & Durability Test Procedure of Steering Wheel Assembly This standard may be applied only for current project (incl. T250/5). It is Superceded for all future projects and replaced by GMW14096. 3D$6* HT 62|/H
2、* 2e# -C ! 4G 98 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 3D$6* HT 62|/H*8 2e# -C ! 4G 907 38%P E:48x 957F$ . 2.1 17 E:4 / . F$-1F 68 . 2.2 GM E:4 / . F$-1F 68 . 3 4G - 3.1 Torsional Stength Test. 4G E8x ,* 10 M8 8=F , 4G BA (Torque)8x 3D$6* HT * (Steering Wheel Rim)7 4F$ . GMDAT ENGINEERING STAND
3、ARDS EDS-T-2605 Copyright 2010 General Motors All Company Rights Reserved December 2010 Page 2 of 7 Version : 5 Figure 1: Torsional Strength Test / ,* 1: Torslonal Strength Test 3.1.1 Permanent Deformation. 3.1.1.1 Angular position of test piece shall be measured before applying test torque. 3.1.1.2
4、 (1353) Nm of torque shall be applied for less than 5 seconds at the speed of (101)q per minute and removed at the same speed. 3.1.1.3 Angular position shall be measured again within 1 minute after removing torque. 3.1.1.4 Permanent torsional deformation shall be taken from the difference of angular
5、 position between before and after applying torque and must not exceed maximum 2.5q. 3.1.2 Ultimate Torsional Strength. There shall be no difficulty in applying (3407) Nm of torque at the speed of (101)q per minute. 3.2 Flexural Stiffness. Test piece shall be mounted as in the following Figure 2 and
6、 measured, while 380 N of force apply on the upper part of wheel rim the most distant from steering wheel spoke for one minute. y Permanent deformation. - 3 Spoke, 4 Spoke: Max. 1.5 mm. - 2 Spoke: Max. 3.0 mm. 3.1.1 Permanent Deformation. 3.1.1.1 4G BA * 4Fd 98 4G E8 Angular Position8x ?U9IF$ . 3.1.
7、1.2 .$- (10r1)q8 2$) (135r3) Nm8 BA * 4F7 5 $4 2.5q* 8 *8 HT * (Wheel Rim) 1$7 380 N8 F:E8x 1 .8 4F G ?U9IF$ . y Permanent Deformation - 3 Spoke, 4 Spoke: Max. 1.5 mm. - 2 Spoke: Max. 3.0 mm. GMDAT ENGINEERING STANDARDS EDS-T-2605 Copyright 2010 General Motors All Company Rights Reserved December 20
8、10 Page 3 of 7 Version : 5 Figure 2: Flexural Stiffness Test / ,* 2: Flexural Stiffness Test 3.3 Vibration Test. 3.3.1 Test piece shall be mounted on steering shaft and on vibration test stand at the same angle in a vehicle as described in the following Figure 3. 3.3 Vibration Test. 3.3.1 4G E8x 3D$
9、6* 2F8C (Steering Shaft)7 ?.F7 ,* 30 M8 4= 8= 5$7t % 8F 1B) Vibration Test Stand7 8=F$ . Figure 3: Vibration Test / ,* 3: Vibration Test 3.3.2 While mounting test piece, steering shaft shall be used with the portion from the mounted edge of test piece to its binding position on a vehicle the positio
10、n mounted by bearing cut. 3.3.3 Test cycle shall be applied after measuring the natural frequency of test piece. When the actual measured value exceeds 50 Hz, apply 50 Hz. 3.3.4 Amplitude of test shall be 0.5 mm and test shall proceed through vertically vibrated sine wave. 3.3.2 4G E ?. 4 3D$6* 2F8C
11、# 4G E8 ?.%L# !$8p) .Bd 4=72P 8*8 HT * (Wheel Rim) 1$7 r500 N8 F:E8x 0.66 Hz8 4G :0d) 4F7 4G 8x :FF$ . 3.5.1.3 1000 Cycles 7x* G D# F:E9D72P8 Bending Travel8 r50 mm* $4 2 mm* 8*8 HT * (Wheel Rim) 1$7 r22.5 Kgf (221 N)8 F:E8x 11.67 Hz8 4G :0d) 4F7 4G 8x :FF$ . 3.5.2.3 50,000 Cycles 7x* G Hub -C Steel
12、 Insert8 A ( 8T,h* G8F$ . 3.6 D+ !*+2e . 3.6.1 30 mm E!8x J# G (/)& #40)8x 68 2P *=d88 E+7 .=F$ . 3.6.2 0.6 Kgf (5.88 N)8 * 4F7 30 mm F9I8p) .$- 56 G* 7.)F# 2$) 30,000 G *=d4P D+ !*+2e 4G 8x 44F$ . 3.6.3 1d 4G 8t 3D$6* HT8 ? 62|/H*8 E+ (7/H)L E F )7 $4F7 957F+ 4*# 4D8p) 9P8F7 44F$ . Figure 6: Surfac
13、e Abrasion Durability Test / ,* 6: D+ !*+2e 4G 3.7 Grip Abrasion Durability Test. 3.7.1 Connect 45 mm wide canvas (cotton cloth #40) to the weight of 1 Kgf (9.8 N) and install to the grip. 3.7.2 Perform at the speed of coming and going 25 times per minute at 80 mm stroke direction. 3.7.3 Perform 40,
14、000 times at 35 E and 10 E each. 3.7 ,* (Grip) !*+2e . 3.7.1 E!8 45mm 8 ?-3 (+ G #40)* 1 Kgf (9.8 N)8 F:E8x J# 7 7$F7 ,*7 8=F$ . 3.7.2 .$- 25 G* 7.)F# 2$) 80 mm8 F9I7 $4F7 44F$ . 3.7.3 35 E7t 10 E72P 55 40,000 G* 44F$ . GMDAT ENGINEERING STANDARDS EDS-T-2605 Copyright 2010 General Motors All Company
15、 Rights Reserved December 2010 Page 7 of 7 Version : 5 Figure 7: Grip Abrasion Durability Test / ,* 7: ,* !*+2e 4G 4 Notes 4.1 Glossary. Not applicable. 4.2 Acronyms, Abbreviations, and Symbols. Not applicable. 5 Coding System This standard shall be referenced in other documents, drawings, etc., as
16、follows: EDS-T-2605 6 Release and Revisions This standard was originated in July 1991. It was first approved by GMDAT Engineering Standards in July 1991. It was first published in July 1991. 4 768 9I8 4.1 98,l 76 . F$-1F 68 . 4.2 66 -C dGl . F$-1F 68 . 5 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8
17、 EdF$ . EDS-T-2605 6 9P9I -C P9I 8)Y ., E:48t 1991 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1991“x 787 38%L6$ . ., E:48t 1991“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 5 DEC 2010 Superceded (Interior Subsystem Validation Team) / F9I957 =* (Interior .E D4D4 )
