Publication Date

1999

Document Type

Dissertation/Thesis

First Advisor

Tahernezhadi, Mansour

Degree Name

M.S. (Master of Science)

Legacy Department

Department of Mechanical Engineering

LCSH

Machining--Effect of temperature on; Metal-cutting--Effect of temperature on; Heat--Transmission; Finite element method

Abstract

A finite element-based computational model is developed to determine temperature distribution in an orthogonal metal cutting process. The model is based on multi-dimensional steady-state heat diffusion equation along with heat losses by convection-radiation film coefficients at the surfaces. The models for heat generations within primary and secondary zones and in the rake face due to friction at the tool-chip interface are discussed and incorporated in the finite element model. Additionally, the model takes into account the geometry of the workpiece/chip/tool and the temperature-dependent thermo-physical properties of the materials. A parametric study is carried out to predict quantitatively the increased temperature level in the tool with increased cutting speed. The results are presented for the machining of high-speed carbon steel and for a range of cutting speeds and cooling conditions.

Comments

Includes bibliographical references (pages [62]-63)

Extent

xii, 68 pages

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

Download

Share

COinS