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TECHNICAL BRIEFS

Damping Capacity of Turning Tools, Part 1: Effect of Clamping Conditions and Optimum Clamping Load

[+] Author and Article Information
E. Marui

Department of Mechanical Engineering, Gifu University, 1-1 Yanagido, Gifu-shi 501–11, Japan

M. Hashimoto

Department of Mechanical Engineering, Toyota College of Technology, 2–1 Eisei-cho, Toyota-shi 471, Japan

S. Kato

Nagoya University, 4-1-76 Tokugawayama-cho, Chikusa-ku, Nagoya 464, Japan

J. Eng. Ind 115(3), 362-366 (Aug 01, 1993) (5 pages) doi:10.1115/1.2901674 History: Received August 01, 1991; Online April 08, 2008

Abstract

Damping capacity greatly affects the dynamic rigidity of a machine tool system. This paper deals with the damping capacity of turning tools. Damping capacity is measured as a function of clamping conditions such as clamping load or surface topography of tool shank. An empirical equation of damping capacity representing the clamping load dependence is induced for the fundamental mode of vibration in tangential and normal directions. The optimum clamping load, at which the stability of turning tool for chatter excitation becomes maximum, is experimentally clarified.

Copyright © 1993 by The American Society of Mechanical Engineers
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