Boring by Plug-Type Rotary Cutting Tool

[+] Author and Article Information
K. Yamaguchi

Dept. of Mechanical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464, Japan

T. Nakamura

Dept. of Mechanical Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 466, Japan

S. Kato

Dept. of Electronic-Mechanical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464, Japan

J. Eng. Ind 112(2), 136-141 (May 01, 1990) (6 pages) doi:10.1115/1.2899556 History: Received April 01, 1987; Online April 08, 2008


A new boring process is introduced and machining properties are examined. In this process, a drilled hole is finished with a plug-type rotary cutting tool which has a ring-like cutting edge. The plug-type rotary cutting tool is forced into the hole while rotating about the central axis. The effects of the tool rotation on cutting forces and surface finish are experimentally examined, and a practical tool which has a burnishing guide just behind the cutting edge is designed. The machining accuracy of this tool is compared with that of a chucking reamer. Test results show that the inside diameter of the hole finished by the plug-type tool is accurate and stable, even if the tool has an eccentricity.

Copyright © 1990 by The American Society of Mechanical Engineers
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