Geometric Machining Mechanism of the Ultrasonic Drilling

Abstract:

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The application of an ultrasonic vibration is one of promising means in machining micro-holes. In this study, the differences of in the geometric machining mechanism between the ultrasonic and the conventional drilling were investigated. Specifically, the uncut chip thickness before machining and the tool trajectories of the cutting edges were formulated and compared with machining results. Through the machining experiments, it was found that those these parameters well matched with the appearance of both the disposed chips and the machined surface. Furthermore, the results indicated that the change of uncut chip thickness resulted in decreased machining resistance as well as improvement of the machined surface

Info:

Periodical:

Edited by:

Shen Dong and Yingxue Yao

Pages:

66-71

DOI:

10.4028/www.scientific.net/KEM.339.66

Citation:

S. K. Lee et al., "Geometric Machining Mechanism of the Ultrasonic Drilling", Key Engineering Materials, Vol. 339, pp. 66-71, 2007

Online since:

May 2007

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Price:

$35.00

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