International Journal of Precision Engineering and Manufacturing

Korean Society for Precision Engineering (한국정밀공학회)
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Minimization of Hydrodynamic Pressure Effect on the Ultraprecision Mirror Grinding

  • Lee, Sun-Kyu (Dept. Mechatronics, Gwangju Institute of Science and Technology) ;
  • Miyamoto, Yuji (Research and Development, Asahi Diamond Industrial Co.,LTD) ;
  • Kuriyahawa, Tsunemoto (Dept. Mechatronics and Precision Engineering, Tohoku University) ;
  • Syoji, Katsuo (Dept. Mechatronics and Precision Engineering, Tohoku University)
  • Published : 2005.01.01
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Abstract

This paper describes an investigation about the fluid delivering method that minimizes the generation of hydrodynamic pressure and improves the grinding accuracy. Traditionally, grinding fluid is delivered for the purpose of cooling, chip flushing and lubrication. Hence, a number of conventional investigations are focused on the delivering method to maximize fluid flux into the contact arc between the grinding wheel and the work piece. It is already known that hydrodynamic pressure generates due to this fluid flux, and that it affects the overall grinding resistance and machining accuracy. Especially in the ultra-precision mirror grinding process that requires extremely small amount of cut per pass, its influence on the machining accuracy becomes more significant. Therefore, in this paper, a new delivering method of grinding fluid is proposed with focus on minimizing the hydrodynamic pressure effect. Experimental data indicates that the proposed method is effective not only to minimize the hydrodynamic pressure but also to improve the machining accuracy.

Keywords

References

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