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Experimental Investigations on Ultrasonic Assisted Turning of Inconel 718
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Inconel 718 is widely used in industry due to its excellent mechanical properties, which include high resistance to fatigue load, withstanding the corrosive environment, and creep resistance. However, because of these properties, the turning process is severe on tools and generates a great deal of force to cut. Because ultrasonic vibrations could reduce cutting force and thus damage the tool, ultrasonic-assisted machining was a possible solution to these problems. In this study of ultrasonic-assisted tuning, an ultrasonic linear vibration was applied to the tool in the direction of the cutting velocity in the experimental setup used. The results of the experiments revealed that when ultrasonic vibration was used, the cutting force and chip width were reduced compared to when it was not used. The chip formed had a smoother surface, indicating smooth rubbing with the tool, resulting in a better surface finish.
Keywords
Ultrasonic Assisted Turning, Inconel 718, Chip Behaviour.
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