1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards THE TEST PROCEDURE OF CARRING STAND DURABILITY Do Not Use on New Programs. Being Replaced by GMW15113 EDS-T-4545 ISSUED DATE: 1998. 06. 30 REVISED DATE: 2008. 10. 15 VERSION: 3 (Superceded) THE TEST PROCEDURE OF CARRI
2、NG STAND DURABILITY EDS-T-4545PAGE: 1/2 ISSUED DATE: 1998. 06. 30 REVISED DATE: 2008. 10. 15 VERSION: 3 GM DAEWOO Auto & Technology Note: This standard may be applied only for current project (incl. T255 Program). It is Superceded for all future projects and replaced by GMW15113. 1. PURPOSE This pro
3、cedure verifies durability vibration fatigue generated from loading cargo on the rear seat back. 2. SCOPE Foldable rear seats 3. TEST SAMPLES Minimum three new assembled seats 4. TEST EQUIPMENT AND JIG 4.1. BIW (Body in White) or jig for fitting rear seats in vehicle conditions 4.2. Vibration tester
4、 4.3. Weight (10 kg x 5EA) 5. METHODS AND SPECIFICATIONS OF TEST 5.1. Test Method 5.1.1. Fit the BIW or seat-fixing jig on the vibration tester, and then mount a seat on the jig. 5.1.2. Fold the seat back, and place the five weights on the rear side of the seat back in even distribution as shown in
5、fig. 1. Apply vibration on the seat back as shown in table 1. THE TEST PROCEDURE OF CARRING STAND DURABILITY EDS-T-4545PAGE: 2/2 ISSUED DATE: 1998. 06. 30 REVISED DATE: 2008. 10. 15 VERSION: 3 GM DAEWOO Auto & Technology In even distribution Acceleration pick-up Vibration table WEIGHT (10 kg/EA) FLO
6、OR BODY BACK CUSH BACK CUSHFigure 1 Table 1. Vibration Conditions Vehicle type Vibration conditions Acceleration Cycles Duration Other Repeat to apply vibration in 5 steps of acceleration with frequency of 15 Hz for 18 times. 1 5.88 m/s2(0.6 G) 60,000 66 min 40 sec 2 9.8 m/s2(1.0 G) 25,000 27 min 46
7、 sec 3 13.72 m/s2(1.4 G) 7,000 7 min 46 sec 4 17.64 m/s2(1.8 G) 1,500 1 min 40 sec 5 23.52 m/s2(2.4 G) 300 20 sec Van Apply vibration at constant frequency of 11 Hz. 10.78 m/s2(1.1 G) 500,000 5.2. Evaluation 5.2.1. The back panel shall be free of local deformation or damage after the test. 5.2.2. The hinge shall be free of abnormal noise or damage after the test 5.2.3. The trim shall be free of wrinkle or swelling, and the function of the seat shall be left intact after leaving the seat for two hours after the test.
