Performance improvement of machine tool by high accuracy calibration of built-in rotary encoders

Nobuyuki Ishii, Kayoko Taniguchi, Kazuo Yamazaki, Hideki Aoyama

研究成果: Paper査読

2 被引用数 (Scopus)

抄録

In response to the demand for high accuracy and high resolution of angular positioning and movement of CNC machine tools, the demand for rotary encoder systems has also increased for the detection of ultraprecise angular position and movement. Authors had developed a new principle of self-calibration with multiple detecting head which enables detection of the error components of higher order with the less number of detecting heads. In this study, the angular accuracy of the rotary encoder for servo control inside a machine tool was examined with reference to the self-calibration of the rotary encoder using the proposed method. Measured data of the accuracy of that were also utilized to generate the calibration data of the rotary encoder, and the rotary encoder was calibrated with the calibration data. The measured accuracy showed a resolution of 1/236. It was confirmed that the angular positioning accuracy was improved because of the calibration.

本文言語English
DOI
出版ステータスPublished - 2017 11 13
イベント9th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2017 - Hiroshima City, Japan
継続期間: 2017 11 132017 11 17

Other

Other9th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2017
CountryJapan
CityHiroshima City
Period17/11/1317/11/17

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering

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