Study of parametric optimization of burr formation in step drilling of eutectic Al-Si alloy-Gr composites

被引：23

作者：

Shanmughasundaram, Palanisamy ^{[1
]}

Subramanian, Ramanathan ^{[2
]}

机构：

[1] Karpagam Univ, Dept Automobile Engn, Coimbatore, Tamil Nadu, India

[2] PSG Coll Technol, Dept Met Engn, Coimbatore, Tamil Nadu, India

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2014年 / 3卷 / 02期

关键词：

Drilling; Composites; Squeeze casting; Burr; Step drill; Taguchi; MINIMIZATION;

D O I：

10.1016/j.jmrt.2014.03.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, the effect of the step drill's geometries such as step angle, step size and cutting parameters such as feed and spindle speed on the exit burr height was investigated for burr minimization in drilling of Al-Gr composites which are fabricated through squeeze casting method. The experimental study was conducted as per the L27 orthogonal array of Taguchi method to find the optimum drilling parameters, and analysis of variance (ANOVA) was performed to investigate the influence of parameters on the burr height of composites during drilling. Confirmation tests were conducted to validate the test results. Results revealed that feed, step angle, step size and spindle speed were the significant parameters in the formation of exit burr. (C) 2014 Brazilian Metallurgical, Materials and Mining Association. Published by Elsevier Editora Ltda.

引用

页码：150 / 157

页数：8

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