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本文(GMKOREA EDS-T-2504-2008 FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER.pdf)为本站会员(fatcommittee260)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

GMKOREA EDS-T-2504-2008 FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER.pdf

1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER Do Not Use on New Programs. Being Replaced by GMW14804 EDS-T-2504 ISSUED DATE: 1988. 01. 29 REVISED DATE: 2008. 03. 26 VERSION: 5 (Superceded) FRICTION FORCE

2、TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER EDS-T-2504PAGE: 1/4 ISSUED DATE: 1988. 01. 29 REVISED DATE: 2008. 03. 26 VERSION: 5 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 It is Superceded for all future projects and replaced by GMW14

3、804. 1. PURPOSE The purpose of this standard is to determine the friction forces of hydraulic tube type shock absorber. 2. EQUIPMENT 2.1. Vibrator: The device which vibrates, fixing the upper end part of shock absorber and varying the vibration number of the lower end part according to test conditio

4、ns. 2.2. Force measuring device: The device outfitted with the meters for stroke and speed (piston speed and capable of measuring and recording the damping force at the stroke and the speed). 2.3. Test equipment: machine type U.T.M (Universal Test Machine) Load Cell : Max. 500 N 3. TEST CONDITION 3.

5、1. Test stroke(S) = 20 mm 3.2. Test speed(rpm) = 0.4 3.3. Prepare at least 6 test samples. 3.4. In case of struts and cartridges having wheel suspending functions, mount the test sample as shown in Appendix 1. figure and measure. (bending loads : 0) 4. TEST PERFORMANCE 4.1. Mount the test sample on

6、the test machine as shown in Appendix 1 figure. 4.2. In case of struts and cartridges having wheel suspending function, measure and record the friction forces by varying the test torque in the automatic sequence. 4.3. Plot friction force - displacement curve (Refer to Appendix 2) 4.4. Plot friction

7、force - test torque characteristics curve (Refer to Appendix 2) 5. INDICATION AND LIMITTING VALUES FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER EDS-T-2504PAGE: 2/4 ISSUED DATE: 1988. 01. 29 REVISED DATE: 2008. 03. 26 VERSION: 5 GM DAEWOO Auto & Technology 5.1. Indicate as shown in Appe

8、ndix 2 figure. 5.2. For allowed friction forces, refer to parts drawing. 6. RELATED STANDARDS KS R 4019 Telescopic shock absorbers GME L-0-12 Friction test FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER EDS-T-2504PAGE: 3/4 ISSUED DATE: 1988. 01. 29 REVISED DATE: 2008. 03. 26 VERSION: 5 GM DAEWOO Auto & Technology Appendix 1 FRICTION FORCE TEST FOR HYDRAULIC TUBE TYPE SHOCK ABSORBER EDS-T-2504PAGE: 4/4 ISSUED DATE: 1988. 01. 29 REVISED DATE: 2008. 03. 26 VERSION: 5 GM DAEWOO Auto & Technology Appendix 2 SCHEMATIC FRICTION DIAGRAM SCHEMATIC FRICTION CHARACTERISTICS

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