Abstract
Abstract The primary objective of today’s manufacturing industries is to manufacture the high-quality products at low cost. With a view to enhance product quality, the selection of machining parameters plays a vital role. The present work assesses the influence of feed rate as well as nose radius over a number of machinability criteria namely machined multiple surface roughness parameters, cutting force, chip thickness ratio, specific cutting energy, and apparent coefficient of friction amid machining of Inconel 825 in dry condition. Turning operation has been executed by means of coated carbide inserts with a constant spindle speed of 371 RPM and depth of cut of 0.8 mm. Results indicated that minimum nose radius insert with low feed provides a better surface finish, whereas sharp nose with low feed generates low resultant machining force. It has been also observed that the chip thickness ratio declines when feed increase, whereas the apparent coefficient of friction upsurges with a rise in feed and nose radius.
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