The Assessment of Delamination in the Drilling of EN8 Steel by using Taguchi Method

Janagarathinam. P, Tharoon. T, Senthilkumar. K. P
2016 International Journal of Engineering Research and  
The application of EN8 steel is increased in engineering field particularly in textiles industries and automobile industries. Drilling of these material cannot be avoided to get the hole of required accuracy. The delamination occurs due to various parameters leading to poor machinability and surface finish. The aim of this paper is to study the relationships and parametric interaction between cutting parameters namely spindle speed, drill diameter and feed rate on the delamination factor at the
more » ... ation factor at the exit of holes in drilling of EN8 steel. Delamination factor reduces the performance and aesthetical aspects of the final product [2, 11]. The experiments have been as per Taguchi's L27 orthogonal array. Analysis of variance (ANOVA) was performed to verify the sufficiency of the mathematical model and it is used to find out the percentage contribution of each parameter, it shows that the delamination factor increase in feed rate and decrease in spindle speed.
doi:10.17577/ijertv5is090524 fatcat:gf52ica34bd63j6cqyeb5igmie