Abstract

It is vital to achieve desired level of surface texture on exterior surfaces of pre-machined component. The required quality of surface can be obtained on outer surface by conventional deburring process like grinding, honing and so on. But difficulty arises while processing interior surface of components such as micro bores, inlet/outlet valves and so on. It’s a revolutionary micro finishing method that eludes the pressurised flow of media mixed with SiC into restricted passage to achieve the appropriate range of surface texture. Micro machining in this novel technique is a result of abrasion process by removing a minuscule quantity of stock material. The current investigation attempt in knowing the effect of number of passes at specimen entry and exit side of media, and developing a semi-empirical model for evaluating Ra by applying Buckingham’s π theorem. The generated surface produced by process factors such as number of passes, volume fraction, and grit size of abrasives is studied by SEM analysis.

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