Title: Experimental investigation on machining of filament wound GFRP pipe by cemented carbide (K₂₀) cutting tool

Authors: A. Naveen Sait, A. Noorul Haq, S. Aravindan

Addresses: Department of Production Engineering, National Institute of Technology, Tiruchirapalli-620015, Tamilnadu, India. ' Department of Production Engineering, National Institute of Technology, Tiruchirapalli-620015, Tamilnadu, India. ' Department of Mechanical Engineering, Indian Institute of Technology, New Delhi-110 016, India

Abstract: Near nett shaped GFRP pipes, with the required surface finish can be obtained by machining. Experiments were conducted through the established Taguchi|s orthogonal array and design of experiments. This work is an attempt to investigate the performance of K₂₀ grade cemented carbide tools on machining of filament wound GFRP pipes. Effect of machining parameters on tool wear is studied. Also, the influence of cutting forces and their effects are studied. The machined surface exhibited a better surface finish of two to four microns whereas the surface roughness of unmachined surface varies from 60 to 80 microns. The machining parameters are also optimised through simple regression and cross product regression methods.

Keywords: glass fibre reinforced plastics; GFRP pipes; composites machining; Taguchi methods; design of experiments; DOE; cemented carbide tools; filament winding; machining parameters; tool wear; cutting forces; surface roughness; surface quality.

DOI: 10.1504/IJMMM.2008.020971

International Journal of Machining and Machinability of Materials, 2008 Vol.3 No.3/4, pp.364 - 381

Published online: 29 Oct 2008 *

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