The Application of Taguchi method in Optimization of Tool Flank Wear in High-Speed Machining

Subject Areas : Journal of New Applied and Computational Findings in Mechanical Systems

ata Fardaghaie ¹ ( Department of Mechanical Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran )
mehdi Jalali Azizpour ² ( Department of Mechanics, Ahvaz branch Islamic Azad University, Ahvaz, Iran )

Received: 2021-08-24 Accepted : 2021-09-15 Published : 2021-08-23

Keywords: Coating method, Taguchi Method, Flank wear, ptimization, Wear Mechanism,

Abstract :

The purpose of this study was to predict the optimal conditions of machining parameters including tool coating method, cutting speed, advancement rate, and cutting depth to minimize tool flank wear in AISI 4140 hardened steel machining, with PVD and CVD coated tools. In recent years, the trend towards cutting tool coating technology has increased with increasing cutting speed and advancement rate. These tools are coated using two different methods: physical vapor deposition (PVD) and chemical vapor deposition (CVD). The L18 orthogonal array was designed by Taguchi experiments and the signal-to-noise ratio (S/N) was used to optimize the parameters. Analysis of variance (ANOVA) was also used to determine the importance of effective parameters. Finally, the validation test was performed using the Taguchi optimization method to validate and show the effectiveness of this method. The results showed that the tool with PVD coating has the best performance for minimum tool wear. Also, cutting speed was the most important parameter affecting tool wear. The results of the confirmation test showed that the Taguchi method is a reliable and successful method for optimizing machining parameters for minimum tool wear in AISI 4140 high-speed steel turning.

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