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Influential Parameters in Determination of Chip Shape in High Speed Machining

Öpöz, Tahsin Tecelli and Chen, Xun (2011) Influential Parameters in Determination of Chip Shape in High Speed Machining. Key Engineering Materials, 496. pp. 211-216. ISSN 1013-9826

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Abstract

Cutting processes in machining involves the elastic and plastic formation where a layer of material is removed by a cutting tool to be removed from the workpiece in forms of various types of small chips. In this paper, a series of finite element simulations of 2D chip formation with various parameters are presented. Different types of chip shapes, such as continuous, discontinuous and serrated shape, are simulated under different conditions. A damage evolution technique based on fracture energy dissipation during material damage progression is used to demonstrate the influences on chip formation. It is concluded that the fracture energy in damage evolution is a crucial factor for the determination of chip shape. Further the influence of depth of cut and rake angle are considered in the simulations

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
Depositing User: Sara Taylor
Date Deposited: 06 Sep 2012 15:09
Last Modified: 06 Sep 2012 15:09
URI: http://eprints.hud.ac.uk/id/eprint/14748

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