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IJAT Vol.16 No.1 pp. 5-11
doi: 10.20965/ijat.2022.p0005
(2022)

Paper:

Microscopic Wear Characteristics of Ceramic Grinding Wheel in Creep Feed Grinding

Masakazu Fujimoto*,† and Keisuke Shimizu**

*Department of Mechanical Engineering, Kindai University
1 Takaya Umenobe, Higashi-Hiroshima City, Hiroshima 739-2116, Japan

Corresponding author

**Aoyama Gakuin University, Sagamihara, Japan

Received:
June 3, 2021
Accepted:
September 29, 2021
Published:
January 5, 2022
Keywords:
ceramic grinding wheel, grain cutting edge, creep feed grinding, attritious wear flat, self-sharpening
Abstract

This paper deals with the microscopic wear characteristics of ceramic (Seeded Gel, SG) grinding wheels used in creep feed grinding. Creep feed grinding experiments with SG grinding wheels were carried out compared to rose-pink alumina (RA) grinding wheels. To clear the wear characteristics of the wheel working surface in creep feed grinding, changes in the shapes of grain cutting edges were observed by a field emission-scanning electron microscope (FE-SEM). This is a self-sharpening phenomenon based on micro fractures generated on the top of SG grain cutting edges. On the other hand, large fracture and attritious wear effected RA grain cutting edges. In addition, the features of any grain cutting edges were evaluated using attritious wear flat percentage. Changes in attritious wear flat percentage of SG grits maintained constant value and were stable. From these results, the influence of wear mode of the grinding wheel on grinding characteristics parameter, such as grinding force and workpiece surface roughness, is understood.

Cite this article as:
Masakazu Fujimoto and Keisuke Shimizu, “Microscopic Wear Characteristics of Ceramic Grinding Wheel in Creep Feed Grinding,” Int. J. Automation Technol., Vol.16, No.1, pp. 5-11, 2022.
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Last updated on Jan. 20, 2022