1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-2513 Control Arm Assembly Fatigue Test Method This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW16319. C) 6 62|/H*8 Fp) 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd#
2、GMW16319 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved November 2011 Originating Department: GM Korea Engineering Standards Page 1 of 7 Version : 3 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between th
3、e Korean and English language, the Korean language shall take precedence. 1.1 Purpose and Applicability. This standard specifies the control arm assembly fatigue test method. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Speci
4、fications. None 2.2 GM Standards/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Hydraulic Fatigue Test Machine (HFT). This can adjust load and frequency according to test conditions and includes the following. 3.1.1.1 Hydraulic Actuator. 3.1.1.2 Load Cell. 3.1.
5、1.3 Load Control Unit. 3.1.1.4 Oscilloscope. 3.1.1.5 Preselect Cycle Counter. 3.1.2 Test Fixture & Accessories. 3.1.2.1 Test Fixture. This is a device which can fix and support sample according to the drawing. 3.1.2.2 Accessories. Vehicle parts such as cap damping bush, damping bush. 1 P7 :0 : ., E:
6、48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 -C 957 -88 . ., E:48t C) 6 62|/H*8 Fp) 4G -7 $4F7 9IF$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 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 3.2 4G 8/x . 3.1.1 8T64 Fp) 4G
7、8/x . F:E -C :0D3L* 4G 97 &d( 99.F 3L(8p) 2 4P 818p) F$ . 4 4G 9 Basic test Add. test Test force kN : Test frequency Hz : Bogy cycle(Pu90%) : Dispersion(Pu90%:Pu10%) : Y % : Remark P I D II Test process and check results No. Date Displacement, mm Ampli- tude Test result Remark Start End UPR LWR TOR
8、Bogy Bogyx2 Bogyx3 1 2 3 4 5 6 7 8 9 10 GM KOREA ENGINEERING STANDARDS EDS-T-2513 Copyright 2011 General Motors Company All Rights Reserved November 2011 Originating Department: GM Korea Engineering Standards Page 6 of 7 Version : 3 Appendix B: Logarithmic Normal Probability Paper / .) B: $43L 9I G*: GM KOREA ENGINEERING STANDARDS EDS-T-2513 Copyright 2011 General Motors Company All Rights Reserved November 2011 Page 7 of 7 Example: Durability Test of Rear Spring Specification Cycle until Failure N90% t 250,000 Cycles Running Time Ratio N90%: N10% 1:3 90 095 521 90 095 523 90 095 524
