Abstract

Ceramic materials, in comparison with metals, have many advantageous properties. Ultrasonic longitudinal vibration is currently used in combination with polishing slurry as an effective method for machining holes in brittle materials. However, this method suffers from the disadvantages of low removal rate and low machining accuracy. We aim to resolve these issues by using ultrasonic longitudinal-torsional (complex) vibration. In this study, soda-lime glass is used as the processed material in both ultrasonic longitudinal and complex vibration, and the machining time is measured to assess the hole machining characteristics. The results demonstrate that ultrasonic complex vibration shortens the machining time.

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