期刊
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
卷 51, 期 2, 页码 104-111出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijmachtools.2010.11.005
关键词
Disturbance force analysis; Friction analysis; Rolling guideway; Linear drive system
资金
- MTTRF-KRI (Machine Tool Technologies Research Foundation, Kyoto Research Institute)
- Mori Seiki Co., Ltd.
- THK Co., Ltd.
- Mitsubishi Electric Corporation
- Tokkyokiki Corporation
- Magnescale Co., Ltd.
This paper describes a characterization method of disturbance force in a linear drive system supported by high-precision rolling guideways. Disturbance force is divided into the friction component and other disturbance force. Experimental characterization method to analyze effect of global position, effect of micro-position and effect of table velocity is suggested. With stop-dwell-go and reversal motions, characterization experiment and analysis are conducted on a positioning system consists of a linear motor and rolling guideways. Firstly, global disturbance force depends on global position and stick and slip friction components are characterized. Secondly, stick friction force is separated from stick and slip friction force in the micro-region. Thirdly, influence of the velocity is analyzed. Finally, a modified single bristle model, which describes friction characteristics in the micro-regime, is shown to simulate the measured disturbance force. (C) 2010 Elsevier Ltd. All rights reserved.
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