224 Vibration Analysis and Reduction of a Drum Type Washing Machine in the Spin-drying Stage

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  • 224 脱水運転時におけるドラム式洗濯機の振動解析及び低振動化に関する研究

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Recently, various vibration analysis models for a washing machine have been proposed. But their models are insufficient to comprehensively analyze the vibration problem of a real machine because degree of freedom is limited. The purpose of this research is creating a vibration analysis model of a drum type washing machine that can analyze the vibration of the outer tub, the frame, and the force to the floor in various unbalanced conditions. In order to validate the analysis model, the operating tests in spin-drying stage were conducted with an unbalanced mass, and these experimental results and the simulation results were compared in various unbalanced conditions. Finally, using the created model, the design parameters tests to reduce the vibration of the machine subject are conducted.

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