GMKOREA EDS-T-2408-2010 Test Procedure for Brake Hose.pdf

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1、 GMDAT ENGINEERING STANDARDS General Specification Chassis SUPERCEDED EDS-T-2408 Test Procedure for Brake Hose This standard may be applied only for current project (incl. 200 Series). It is Superceded for all future projects and replaced by GMW15387. /)8 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t /

2、)07 38%P E:48x 957F$ . 2.1 17 E:4 / . MVSS 106 2.2 GM E:4 / . F$- 1F 68 2.3 dA E:4 / . 2TB 1F Drawing No. 90105900 3 4G F+ -C 4G 8/x 3.1 6)Y 4G . 46 DF8 . 3.2 88 4G . +# 4G d (U.T.M). 3.3 6)Y 8T: 4G . 46 DF8 . 3.4 D7( I$ 4G . 46 DF8 . 3.5 Dq=q( 4G . 3.5.1 6F8 (HBM : KWS3072). 3.5.2 6)Y -Gd (200 Kg/

3、cm2, 2mV/V) 3.6 47( 4G . 3.6.1 =- . 3.6.2 46 DF8 . GMDAT ENGINEERING STANDARDS EDS-T-2408 Copyright 2010 General Motors Company All Rights Reserved October 2010 Page 2 of 5 Version : 3 3.7 Whip Test. Whip tester refers to paragraph 5.7.3. 3.8 Water Absorptions Test. Water Container. 3.9 Inside Diame

4、ter Constriction Test. 3.9.1 Plug Gauge. 3.10 Brake Fluid Compatibility. 3.10.1 Chamber. 3.10.2 Pressure pump 4 Preparation 4.1 Prepare at least three test samples for each test item. 4.2 There shall be no crack, nor damage on the appearance of the test sample. 5 Test Method and Evaluation 5.1 Press

5、ure Test. There shall be no abnormality on the test sample when pressure is applied to it with a water pressure of 22.0 ) 26.0 MPa for 120 seconds. 5.2 Tensile Test. 5.2.1 Fix the test sample to U.T.M. 5.2.2 When pulling the sample with a force of 1500N at a speed of 25.4mm/min., the end part of a h

6、ose shall not come out and other parts shall have no abnormality. 5.3 Time Pressure Test. The test sample shall have no abnormality when it is kept at a water pressure of 21.0 MPa for 24 hours. 5.4 Bursting Strength Test. 5.4.1 Pressure rising speed shall be 1.9 ) 4.7 MPa/sec. 5.4.2 The test sample

7、shall have no abnormality at a water pressure of 37.5 MPa. 5.5 Expansion Test. 5.5.1 Fill the test sample with water. 5.5.2 Pressure rising speed shall be 1.9 ) 4.7 MPa/sec. 5.5.3 Measure within 10 minutes at 7.0 MPa and 10.5 MPa. 5.5.4 Expansion shall meet the following table. 3.7 Fp) 4G . Fp) 4G d

8、 5.7.3F =l9 . 3.8 H3L2e 4G . 3L9 . 3.9 !3L 4G . 3.9.1 Plug Gauge. 3.10 /)2 3P 81 :4/xF$ . 4.2 4G E8t 741 7( (Crack), 21 (Damage) 8p) =%P .7 Plug Gauge !$.* -46“W 8:E !F* 44F$ . 5.9.3 Plug Gauge Size# - 2.032mm u 76mm u 57g8+ , 8:E !F4 5sec8! IF F6 %P$ . 5.10 /) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9P /P9I 76 (:04.2P ) 3 OCT 2010 Superceded (Chassis Subsystem Validation Team) / F9I957 =* (24 .E D4D4 )