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| Effect of low-frequency vibration on workpiece in EDM processes
Gunawan Setia Prihandana*, Muslim Mahardika, M. Hamdi and Kimiyuki Mitsui
The Journal of Mechanical Science and Technology, vol. 25, no. 5, pp.1231-1234, 2011
Abstract : High-frequency vibration aided EDM has become one of the ways to increase material removal rate in EDM process, due to the flushing
effect caused by vibration. However, utilizing high-frequency vibration, especially in ultrasonic range consumes a lot of setup cost.
This work presents an attempt to use a low-frequency vibration on workpiece of stainless steel (SS 304) during EDM process. The workpiece
was vibrated with variations of low-frequency and low-amplitude. The results show that the application of low-frequency vibration
in EDM process can be used to increase the material removal rate, and decrease the surface roughness and tool wear rate.
Keyword : Electrical discharge machining; Low-frequency vibration; Material removal rate; Tool wear ratio; Surface roughness |
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