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http://dx.doi.org/10.3795/KSME-A.2009.33.12.1471

Process Analysis and Test for Manufacturing the Sleeve Spring Type-Torsional Vibration Damper  

Hwang, Beom-Cheol (부산대학교 기계기술연구원)
Bae, Won-Byong (부산대학교 기계공학부)
Jang, Young-Jun (부산대학교 기계공학부)
Kim, Chul (부산대학교 기계기술연구원)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.33, no.12, 2009 , pp. 1471-1481 More about this Journal
Abstract
In diesel engines, it is inevitable that the torsional vibration is produced by the fluctuation of engine torque. Therefore, it is necessary to establish preventive measures to diminish the torsional vibration. The sleeve spring type damper is one of the preventive measures for reducing the torsional vibration. In this study, the closed form equations to predict the spring constant of a sleeve spring and the torsional characteristics of the torsional vibration damper are proposed to calculate stiffness of the damper and verified their availability through the finite element analysis and experiments. And the stability of the sleeve spring torsional vibration damper is verified by analyzing the inner star and outer star, which are the core parts of the damper, and 2-roll bending process is proposed to manufacture sleeve spring. The program to calculate the initial radius including spring-back effect is developed, and the FEA method to analyze elasto-plastic problem was verified through analysis of 90$^{\circ}$bending process. The results of the analysis are in good agreements with those of the experiments. The newly proposed method can be used as an advanced technique that remarkably curtails cost of production and replaces the conventional forming.
Keywords
Torsional Vibraion; Sleeve Spring; Spring Constant; 2-Roll Bending Process; Spring-back;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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