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Advances in Manufacturing
Published in: Advances in Manufacturing 4/2015

01-12-2015

Tool geometry based prediction of critical thrust force while drilling carbon fiber reinforced polymers

Authors: Y. Karpat, O. Bahtiyar

Published in: Advances in Manufacturing | Issue 4/2015

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Abstract

Carbon fiber reinforced polymers (CFRPs) are known to be difficult to cut due to the abrasive nature of carbon fibers and the low thermal conductivity of the polymer matrix. Polycrystalline diamond (PCD) drills are commonly employed in CFRP drilling to satisfy hole quality conditions with an acceptable tool life. Drill geometry is known to be influential on the hole quality and productivity of the process. Considering the variety of CFRP laminates and available PCD drills on the market, selecting the suitable drill design and process parameters for the CFRP material being machined is usually performed through trial and error. In this study, machining performances of four different PCD drills are investigated. A mechanistic model of drilling is used to reveal trade-offs in drill designs and it is shown that it can be used to select suitable feed rate for a given CFRP drilling process.
previous article Experimental investigation of tool wear and chip formation in cryogenic machining of titanium alloys
next article Finite element analysis of chip formation and residual stresses induced by sequential cutting in side milling with microns to sub-micron uncut chip thickness and finite cutting edge radius

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Metadata
Title
Tool geometry based prediction of critical thrust force while drilling carbon fiber reinforced polymers
Authors
Y. Karpat
O. Bahtiyar
Publication date
01-12-2015
Publisher
Shanghai University
Published in
Advances in Manufacturing / Issue 4/2015
Print ISSN: 2095-3127
Electronic ISSN: 2195-3597
DOI
https://doi.org/10.1007/s40436-015-0129-y

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