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An Investigation of Hole Size, Circularity and Delamination during Drilling Operation of Carbon Fiber Rein Forced Polymer with using ANOVA


Author(s):

Chetan M Rathod , Government Engineering College-Dahod; Dr. Mahesh Chudasama, Government Engineering College-Dahod; Mr. Swaraj Darji, NSIT

Keywords:

Drilling, Circularity, Full Factorial Design, ANOVA, CFRP

Abstract:

In aerospace engineering, CFRP is a mostly used material for making different parts of aero planes. The CFRP material is a one of the composite material .Till now no any technique which is used to weld together of cfrp material.so that there is a only one technique is mostly used and that is a drill the hole and use the fasteners to join them. So that the quality of hole is very most important. Thus, the choice of optimized cutting parameters is very important for controlling the required hole quality. In this present work the aim is to optimized the cutting parameters through work piece hole size, circularity and delamination.in this research an experimental investigation of a full factorial design performed on thin CFRP laminated sheet using HSS drill with different point angle 90°,120°,150°and by varying different spindle speed (3500,4500,5500 rpm )and feed rate(200,500,900 mm/min )to determine optimum cutting condition. The hole quality parameters analyzed include hole diameter, circularity and delamination. Analysis of variance (ANOVA) was carried out for Hole quality parameters and their contribution rates was determined. Design of Experiments (DOE) methodology by full factorial Design was used in the multiple objective optimizations (using Mini Tab 17, software) to find the optimum cutting conditions for defect free drilling.


Other Details:

Manuscript Id :IJSTEV2I1031
Published in :Volume : 2, Issue : 1
Publication Date: 01/08/2015
Page(s): 53-59
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