Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle

In this paper, orthogonal cutting finite elements models are built for the investigation of the impact of large negative rake angles on the friction coefficient in the tool-chip interface in machining. The simulation results give an insight on the mechanism of chip formation in processes with large...

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Main Authors:	A.P. Markopoulos, N.E. Karkalos, N.M. Vaxevanidis, D.E. Manolakos
Format:	Article
Language:	English
Published:	University of Kragujevac 2016-06-01
Series:	Tribology in Industry
Subjects:	Machining Finite elements Simulation Large negative rake angle Friction coefficient
Online Access:	http://www.tribology.fink.rs/journals/2016/2016-2/8.pdf

id	doaj-33f686268cac487884ab96ae968fb384
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spelling	doaj-33f686268cac487884ab96ae968fb3842020-11-25T01:52:37ZengUniversity of KragujevacTribology in Industry0354-89962217-79652016-06-01382214220Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake AngleA.P. Markopoulos0N.E. Karkalos1N.M. Vaxevanidis2D.E. Manolakos3Section of Manufacturing Technology, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechneiou 9, 15780, Athens, GreeceSection of Manufacturing Technology, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechneiou 9, 15780, Athens, GreeceDepartment of Mechanical Engineering Educators, School of Pedagogical and Technological Education (ASPETE), ASPETE Campus, GR 141 21, N. Heraklion, GreeceSection of Manufacturing Technology, School of Mechanical Engineering, National Technical University of Athens, Heroon Polytechneiou 9, 15780, Athens, GreeceIn this paper, orthogonal cutting finite elements models are built for the investigation of the impact of large negative rake angles on the friction coefficient in the tool-chip interface in machining. The simulation results give an insight on the mechanism of chip formation in processes with large negative active rake angle, such as machining with chamfered tools, grinding and micromachining. For the present analysis, cutting conditions resembling the qualitative and quantitative characteristics of the aforementioned processes were selected. More specifically, tool rake angles varying from -10o to -55o and Coulomb friction with constant friction coefficient were considered. The results indicate that friction coefficient is greatly affected by the negative tool rake angle, exhibiting values well above 1 for the high extreme of the examined rake angle spectrum.http://www.tribology.fink.rs/journals/2016/2016-2/8.pdfMachiningFinite elementsSimulationLarge negative rake angleFriction coefficient
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	A.P. Markopoulos N.E. Karkalos N.M. Vaxevanidis D.E. Manolakos
spellingShingle	A.P. Markopoulos N.E. Karkalos N.M. Vaxevanidis D.E. Manolakos Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle Tribology in Industry Machining Finite elements Simulation Large negative rake angle Friction coefficient
author_facet	A.P. Markopoulos N.E. Karkalos N.M. Vaxevanidis D.E. Manolakos
author_sort	A.P. Markopoulos
title	Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle
title_short	Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle
title_full	Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle
title_fullStr	Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle
title_full_unstemmed	Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle
title_sort	friction in orthogonal cutting finite elements models with large negative rake angle
publisher	University of Kragujevac
series	Tribology in Industry
issn	0354-8996 2217-7965
publishDate	2016-06-01
description	In this paper, orthogonal cutting finite elements models are built for the investigation of the impact of large negative rake angles on the friction coefficient in the tool-chip interface in machining. The simulation results give an insight on the mechanism of chip formation in processes with large negative active rake angle, such as machining with chamfered tools, grinding and micromachining. For the present analysis, cutting conditions resembling the qualitative and quantitative characteristics of the aforementioned processes were selected. More specifically, tool rake angles varying from -10o to -55o and Coulomb friction with constant friction coefficient were considered. The results indicate that friction coefficient is greatly affected by the negative tool rake angle, exhibiting values well above 1 for the high extreme of the examined rake angle spectrum.
topic	Machining Finite elements Simulation Large negative rake angle Friction coefficient
url	http://www.tribology.fink.rs/journals/2016/2016-2/8.pdf
work_keys_str_mv	AT apmarkopoulos frictioninorthogonalcuttingfiniteelementsmodelswithlargenegativerakeangle AT nekarkalos frictioninorthogonalcuttingfiniteelementsmodelswithlargenegativerakeangle AT nmvaxevanidis frictioninorthogonalcuttingfiniteelementsmodelswithlargenegativerakeangle AT demanolakos frictioninorthogonalcuttingfiniteelementsmodelswithlargenegativerakeangle
_version_	1724994146771402752

Friction in Orthogonal Cutting Finite Elements Models with Large Negative Rake Angle

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