DRILLING PERFORMANCE ANALYSIS OF STRUCTURAL ALUMINIUM ALLOY USING THE TAGUCHI METHOD

Anastasios TZOTZIS, Nikolaos EFKOLIDIS, Athanasios MANAVIS, Panagiotis KYRATSIS

Abstract


Drilling of structural aluminum alloys (AA) is one of the most frequently applied  processes in the industry. This study utilizes a Taguchi L9 orthogonal array, to investigate the influence of three key machining parameters (cutting speed, feed and tool diameter), on the thrust force and cutting torque induced during drilling of Al6082 T6 temper with coated, carbide tools. The set of the 9 experiments was carried out on a CNC machine, whereas the desired output was measured with a rotational dynamometer. In addition, a data acquisition system was used to facilitate the output data collection. The analysis revealed that the tool diameter is the variable that affects the most, both output parameters, followed by the feed. Furthermore, the optimal cutting conditions were identified, with the minimization of the cutting forces and torque in mind.

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References


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