The compound machining (CM) compounded with electrical discharge machining (EDM) and arc machining is a novel approach to process difficult-to-machine materials especially for the aerospace materials such as Inconel 718.
An exciting material removal rate (MRR) and a small diameter of overcut (DOC) can be received in this approach. A suitable selection of machining parameters plays a key role in CM of machining Inconel 718.
Therefore, a various machining parameters affecting MRR and DOC such as peak current, electrode rotation speed and peak voltage were analyzed. This paper highlights the combined influence of these parameters in CM. A 23factorial with central composite design (CCD) and a total of 20 experiments were conducted in this study.
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