Abstract
Surface roughness consistency is one of the challenges for producing high-quality goods in the industry. Surface predicting efficiency plays a vital role in correctly managing the machining parameters during turning operations. Selecting the correct cutting instrument is considered one of the most critical factors influencing the machined surface's consistency. Accordingly, this work investigates the effect of cutting tool form, coating material, and cutting parameters on surface roughness during the AISI 1045 turning process. Coated (TIN) and uncoated cutting tools were used. The operation was conducted on a computer numerically controlled (CNC) turning unit. The experiments were carried out using cutting speed, feed rate, tool type as process parameters. Taguchi method was used with three factors and two levels, which are the spindle speed (800, 1100, and 1400) rpm, feed rate (0.05. 0.1, 0.15) mm/rev, and the depth of cut (3) mm. The results revealed that the most important consideration for surface roughness is cutting speed, followed by the feed rate and tool coating, respectively.
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