IJAT Vol.13 No.1 pp. 80-91
doi: 10.20965/ijat.2019.p0080


Chatter Suppression in Parallel Turning Assisted with Tool Swing Motion Provided by Feed System

Shuntaro Yamato*1,†, Toshiki Okuma*1, Kenichi Nakanishi*2, Junji Tachibana*3, Norikazu Suzuki*4, and Yasuhiro Kakinuma*1

*1Department of System Design Engineering, Keio University
3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan

Corresponding author

*2Nakamura-Tome Precision Industry Co., Ltd., Hakusan, Japan

*3Industrial Automation Business Company, OMRON Corporation, Tokyo, Japan

*4Department of Mechanical Aerospace Engineering, Nagoya University, Nagoya, Japan

June 18, 2018
September 17, 2018
January 5, 2019
chatter suppression, parallel turning, multitasking machine tool, swing machining

Parallel turning technology has been attracting attention as an important technology to enhance the productivity of multitasking machine tools. To maximize the productivity advantage of parallel turning, chatter avoidance or suppression is one of the most noteworthy concerns. In this study, a novel chatter suppression technique using tool swing motion is provided by a feed drive system. The optimal design methodology of the tool swing motion for effective chatter suppression is also introduced based on its analogy with the spindle speed variation technique under the shared-surface parallel turning and rigid-tool and flexible-workpiece assumptions. The proposed method was evaluated with regard to the chatter stabilizing performance and workpiece runout as compared to conventional equal pitch turning and unequal pitch turning for chatter suppression. As a result, the proposed tool swing parallel turning exhibited a high chatter stabilizing performance without eccentricity of the workpiece and enhanced surface quality, although particular swing marks were left on the machined surface.

Cite this article as:
S. Yamato, T. Okuma, K. Nakanishi, J. Tachibana, N. Suzuki, and Y. Kakinuma, “Chatter Suppression in Parallel Turning Assisted with Tool Swing Motion Provided by Feed System,” Int. J. Automation Technol., Vol.13, No.1, pp. 80-91, 2019.
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Last updated on Jan. 19, 2019