Abstract

This chapter presents and discusses the performance of a noncontact-type machining technique for making hole in fiber-reinforced composites. The ultrasonic machining process has been modified to make hole in glass fiber-reinforced composite laminates. The surface quality of the hole obtained through modified technique also called rotary mode ultrasonic drilling has been evaluated and compared with the tradition twist drilling technique. It was found that the machining of glass fiber-reinforced epoxy composite laminates by means of rotary mode ultrasonic drilling technique resulted in the generation of delamination-free hole in composite laminates.

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