Paper Title:
Laser Truing and Dressing of Small Vitrified CBN Grinding Wheel
  Abstract

This paper aims at the development of an alterative technique for truing and dressing a small vitrified CBN grinding wheel used for the internal finishing of small holes measuring several millimeters in diameter. In conventional truing and dressing, a single-tip diamond dresser or a rotary GC cup wheel dresser is employed. This levels off the improvement in the wheel truing accuracy because the stiffness of the grinding wheel shaft with an open-sided structure is low, and the shaft is thus deformed easily due to the truing force. In the present work, a new truing and dressing technique is proposed in which a Nd:YAG laser beam is employed as the dresser. Experiments were carried out with respect to the effects of the laser beam conditions (amplitude, width and frequency of pulse, and focus offset) and the relative motion between the laser beam and CBN wheel. It was found that the run-out of the CBN wheel was decreased significantly, and the wheel surface condition was improved greatly after laser truing and dressing.

  Info
Periodical
Edited by
Dongming Guo, Tsunemoto Kuriyagawa, Jun Wang and Jun’ichi Tamaki
Pages
163-168
DOI
10.4028/www.scientific.net/KEM.329.163
Citation
Y. B. Wu, X. Y. Wang, T. Tachibana, M. Kato, "Laser Truing and Dressing of Small Vitrified CBN Grinding Wheel", Key Engineering Materials, Vol. 329, pp. 163-168, 2007
Online since
January 2007
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Price
$32.00
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