Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity

Kahwash, Fadi, Shyha, Islam and Maheri, Alireza (2015) Machining Unidirectional Composites using Single-Point Tools: Analysis of Cutting Forces, Chip Formation and Surface Integrity. Procedia Engineering, 132. pp. 569-576. ISSN 1877-7058

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Official URL: http://dx.doi.org/10.1016/j.proeng.2015.12.534

Abstract

The need for high quality machining of composite materials is rising due to the increased utilisation of these materials across several applications. This paper presents experimental findings of orthogonal cutting of unidirectional glass fibre reinforced plastic (UD-GFRP) composites using HSS single-point cutting tools. Key process indicators including cutting forces, chip formation and surface integrity were evaluated. Full factorial design is employed with fibre orientation, depth of cut, cutting speed and rake angle as process control variables. Fibre orientation and depth of cut were found to be the most significant factors affecting the investigated responses. Lower cutting forces and better surface quality were obtained at 0o fibre orientation and lower depth of cut. Cutting at 45o fibre orientation generated extremely damaged surfaces with relatively high average surface roughness values and should be avoided in practical applications.

Item Type: Article
Uncontrolled Keywords: UD-GFRP; Cutting forces; Chip formation; Surface integrity
Subjects: H100 General Engineering
H300 Mechanical Engineering
H700 Production and Manufacturing Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Nicola King
Date Deposited: 03 May 2016 11:21
Last Modified: 12 May 2017 18:06
URI: http://nrl.northumbria.ac.uk/id/eprint/26737

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