Influence of Process Parameters on Delamination of Drilling of (GF/PC) Glass Fiber Reinforced Polycarbonate Matrix Composites

Drilling is an important and final operation in the assembly of structural components of aircraft and automobiles. This paper determines the influence of cutting forces in the drilling of GF/PC composites. An assembly, the quality of the drilled holes highly affects the joint of two or more structural components. Drilling of glass fiber composite materials is a vital task for manufacturers. The best methodology for achieving good quality holes during the drilling of glass fiber reinforced plastics is by identify of the cutting forces. Improper cutting forces lead to the damage of composite materials. This paper studies the influence of various feed rate on thrust force, spindle speed and drill bit geometry using Brad and spur drills. This experimental result shows that delamination fully depends on the feed rate. The experimental results have been clearly explained with the help of 3D response graph and Scanning Electron Microscopic (SEM) images.