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IJAT Vol.13 No.5 pp. 657-664
doi: 10.20965/ijat.2019.p0657
(2019)

Paper:

Effects of O2 Fine Bubbles on ELID Grinding Using Conductive Rubber Bond Grinding Wheel

Katsufumi Inazawa*,†, Hitoshi Ohmori**, and Nobuhide Itoh*

*Graduate School of Science and Engineering, Ibaraki University
4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan

Corresponding author

**The Institute of Physical and Chemical Research (RIKEN), Wako, Japan

Received:
February 12, 2019
Accepted:
July 17, 2019
Published:
September 5, 2019
Keywords:
ELID grinding, fine bubbles, conductive rubber bond grinding wheel, mirror surface finishing, surface modification
Abstract

This study proposes a new grinding system using grinding fluid containing oxygenic fine bubbles (O2FBs) to realize high-performance electrolytic in-process dressing (ELID) using a conductive rubber bond grinding wheel. It was found that grinding fluid containing O2FBs dramatically increases the dissolved oxygen in the grinding fluid. In addition, the O2FBs in the fluid are drawn to the conductive rubber bond grinding wheel, which is the positive pole, during ELID. These effects are thought to enhance the dressing performance of the conductive rubber bond grinding wheel. Grinding of pure titanium using the proposed grinding system was found to realize mirror surface finishing while increasing the amount of removed workpiece material, compared to when ELID was not applied and to when ELID grinding was conducted using a normal grinding fluid. Effects of ELID grinding on surface modification were also observed, confirming that the proposed grinding system is able to form a thick oxidized film on pure titanium.

Cite this article as:
K. Inazawa, H. Ohmori, and N. Itoh, “Effects of O2 Fine Bubbles on ELID Grinding Using Conductive Rubber Bond Grinding Wheel,” Int. J. Automation Technol., Vol.13, No.5, pp. 657-664, 2019.
Data files:
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Last updated on Sep. 19, 2019