Optimization of Surface Roughness in Turning of AZ31 Magnesium Alloys With Taguchi Method

Abstract

In this paper, the effects of the different cutting parameters on the surface roughness in turning AZ31 magnesium alloys were investigated. Three cutting parameters, such as depth of cut (t), feed rate (f) and cutting speed (V), were used in the turning operation. Experiments were designed for L9 Taguchi’s model. Tests were performed on a CNC lathe. The surface roughness values were measured in the tests. Taguchi and ANOVA analysis were evaluated to detect main effect parameters and their contribution ratios. The optimum cutting parameters for the surface roughness were computed as “t” at level 2 (2 mm), “f” at level 1 (0.2 mm/rev) and “V” at level 1 (320 m/min). Moreover, empirical equations were developed by using regression analysis (RA) to predict the surface roughness and compared to experimental results.

Keywords

• Turning
• AZ31
• Taguchi Method
• ANOVA
• Surface Roughness

References

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