Abstract
Photochemical machining (PCM) is one of the well-known non-traditional machining processes that offer the challenges of today’s manufacturing world. In this demanding world, PCM is useful for quick machining on any kind of material using suitable etchant. This work focuses on determining the etching characteristics of aluminium alloy (Al 6061) by PCM process using ferric chloride (FeCl3) as an etchant. Taguchi L9 orthogonal array is used to study the effect of process parameters like temperature, etching time and surface area to observe the effects on performance measures such as surface roughness and etching depth. An overall evaluation criterion (OEC) is formulated to optimize the etching characteristics which will yield in lower surface roughness and higher etching depth.
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