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Study on the experiments of the relationship between the geometric dimensions of flexural vibration disk and its vibration characteristics

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Author(s): Y. Yuan | Y. Ma | M. Chen | D. Wang | B. Zhao

Journal: Journal of Achievements in Materials and Manufacturing Engineering
ISSN 1734-8412

Volume: 18;
Issue: 1-2;
Start page: 255;
Date: 2006;
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Keywords: Non-destructive testing | Ultrasonic machining | Flexural vibration | Disk | Vibration characteristics

ABSTRACT
Purpose: The vibration characteristics of flexural vibration disk in ultrasonic honing system were studiedsystematically through experiments.Design/methodology/approach: The vibration of flexural vibration disk was tested using the acoustic systemof ultrasonic honing.Findings: The results showed that the amplitude of vibration disk increases with the reducing of its thickness,when the disk was thin disk (the ratio between the thickness and radius was less than or equal to one fifths) thevibration of disk was flexural vibration, the good vibration effect could be obtained. The maximal amplitudecould reach 20.5μm,at the same time, the number of the wave crests and size could be obtained. There existamplifying characteristics in the vibration of the disk. When the diameter of disk was not changed, the resonantfrequency would decrease with the reducing of the thickness of disk. The resonance could be excited at differentfrequencies. The corresponding maximal amplitude value provides certain reference value for the dimensionaldesign and application of flexural vibration disk.Research limitations/implications: From analysis, the ratio between diameter and thickness of flexuralvibration disk has direct effect on amplitude. The rational diameter and thickness of flexural vibration diskshould be selected according to specific machining conditions and the size requirements of the whole honingequipment during the course of design of ultrasonic honing acoustic system.Originality/value: The studied on relationship between geometric dimensions of flexural vibration disk and itsvibration characteristics were made.

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