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RESEARCH PAPERS

Dynamic Generation of Machined Surfaces, Part 2: Construction of Surface Topography

[+] Author and Article Information
G. M. Zhang

Mechanical Engineering Department and Systems Research Center, University of Maryland, College Park, MD 20742

S. G. Kapoor

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801

J. Eng. Ind 113(2), 145-153 (May 01, 1991) (9 pages) doi:10.1115/1.2899671 History: Received March 01, 1989; Revised April 01, 1990; Online April 08, 2008

Abstract

In Part 1 of these two-part papers, a normal distribution model has been formulated to describe the random excitation system present during machining. Part 2 presents a methodology to dynamically generate the surface topography under the random excitation environment through computer simulation. The proposed methodology uses the tool vibratory motion along with the tool geometrical motion to construct the topography of a machined surface. Both experimental and simulation results confirm that when a small feed is used, the influence of the spiral trajectory of tool geometrical motion on the surface generation decays dramatically and the random excitation system, on the opposite, is strengthened playing a significant role in surface texture generation.

Copyright © 1991 by The American Society of Mechanical Engineers
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