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The Shape Optimization of washing Machine Shaft for High-Speed Rotation through Analysis of Static and Dynamic Characteristics  

Kim, Eui-Soo (국립과학수사연구소)
Lee, Jung-Min (부산대학교 대학원 정밀기계공학과)
Kim, Byung-Min (부산대학교 기계공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.25, no.5, 2008 , pp. 132-139 More about this Journal
Abstract
To meet demand of big capacity and high speed rotation for washing machine, more stress from bending and twisting are complexly loaded onto the shaft supporting the horizontal drum, causing problems in fracture strength and fatigue life. Also, Vibration occurs due to the frequency of the rotating parts. But, shaft has various design factors such as diameter and distance between bearings according to configuration of shaft, the optimal values can't be easily determined. Using a design of experiment (DOE) based on the FEM (Finite Element Method), which has several advantages such as less computing, high accuracy performance and usefulness, this study was performed investigating the interaction effect between the various design factor as well as the main effect of the each design factor under bending, twist and vibration and proposed optimum design using center composition method among response surface derived from regression equation of simulation-based DOE.
Keywords
Design of experiment; Response surface method; Center composition method; Main effect; Interaction effect; Natural frequency;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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