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Analytical modeling of turn-milling process geometry, kinematics and mechanics

Karagüzel, Umut and Uysal, Emre and Budak, Erhan and Bakkal, Mustafa (2015) Analytical modeling of turn-milling process geometry, kinematics and mechanics. International Journal of Machine Tools and Manufacture, 91 . pp. 24-33. ISSN 0890-6955 (Print) 1879-2170 (Online)

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Official URL: http://dx.doi.org/10.1016/j.ijmachtools.2014.11.014

Abstract

This paper presents an analytical approach for modeling of turn-milling which is a promising cutting process combining two conventional machining operations; turning and milling. This relatively new technology could be an alternative to turning for improved productivity in many applications but especially in cases involving hard-to-machine material or large work diameter. Intermittent nature of the process reduces forces on the workpiece, cutting temperatures and thus tool wear, and helps breaking of chips. The objective of this study is to develop a process model for turn-milling operations. In this article, for the first time, uncut chip geometry and tool-work engagement limits are defined for orthogonal, tangential and co-axial turn-milling operations. A novel analytical turn-milling force model is also developed and verified by experiments. Furthermore, matters related to machined part quality in turn-milling such as cusp height, circularity and circumferential surface roughness are defined and analytical expressions are derived. Proposed models show a good agreement with the experimental data where the error in force calculations is less than 10% for different cutting parameters and less than 3% in machined part quality analysis.

Item Type:Article
Uncontrolled Keywords:Turn-milling, Modeling, Cutting Force, Surface Quality
Subjects:T Technology > TJ Mechanical engineering and machinery
ID Code:26931
Deposited By:Erhan Budak
Deposited On:20 May 2015 14:51
Last Modified:20 May 2015 14:51

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