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TECHNICAL BRIEFS

Cutting Performance of a Cemented Carbide Drill with Three Cutting Edges

[+] Author and Article Information
S. Ema, E. Marui

Gifu University, 1-1, Yanagido, Gifu-shi 501-11 Japan

J. Eng. Ind 114(1), 116-119 (Feb 01, 1992) (4 pages) doi:10.1115/1.2899748 History: Received January 01, 1991; Revised June 01, 1991; Online April 08, 2008

Abstract

In this paper, an investigation of the cutting performance of a cemented carbide drill with three cutting edges is reported. Drilling tests were performed in which the eccentricity, straightness, cylindricity, and roundness of machined holes were measured using the least squares technique. Surface roughness was also measured. The investigation showed that the cemented carbide drill with three cutting edges is more effective than a conventional drill with two cutting edges, except for cylindricity.

Copyright © 1992 by The American Society of Mechanical Engineers
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