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IJAT Vol.19 No.3 pp. 337-345
doi: 10.20965/ijat.2025.p0337
(2025)

Research Paper:

Study on the Grinding Temperature of Workpiece in Side Plunge Grinding Process

Lingxiao Gao*, Motoki Kuida*, Hiroyuki Kodama** ORCID Icon, and Kazuhito Ohashi**,† ORCID Icon

*Graduate School of Natural Science and Technology, Okayama University
3-1-1 Tsushima-naka, Kita-ku, Okayama, Okayama 700-8530, Japan

**Faculty of Environmental, Life, Natural Science and Technology, Okayama University
Okayama, Japan

Corresponding author

Received:
November 14, 2024
Accepted:
March 4, 2025
Published:
May 5, 2025
Keywords:
grinding, thrust surface, grinding temperature, thermocouple
Abstract

Grinding is used to finish thrust metal attachment parts, such as crankshafts, which have both journal and thrust surfaces. In side plunge grinding, a thrust surface and a cylindrical surface of a shaft workpiece with collars are finished in a single plunge grinding process. However, the surface quality near the ground internal corner, where grinding fluid may not penetrate, can deteriorate, causing high residual stress and cracks owing to grinding heat. While it has been reported that quality issues at the inner corners of the ground surface can be mitigated by reducing the grinding point temperature through efficient cooling fluid supply, the mechanisms of grinding phenomena and heat generation in side plunge grinding are not yet fully understood. In this study, the variations in the grinding temperature at the thrust surface of a workpiece with a collar were experimentally investigated using a wire/workpiece thermocouple to clarify these phenomena. The results revealed a significant increase in the grinding temperature at the corners of the grinding zone. However, it slightly decreases as the thermocouple output approaches the center of the workpiece, indicating a slight effect of the grinding speed. The surface temperature of the workpiece in side plunge grinding is primarily influenced by the wheel depth-of-cut in the thrust direction. Additionally, the effect of workpiece rotational speed and grinding infeed speed on temperature distribution has been demonstrated.

Cite this article as:
L. Gao, M. Kuida, H. Kodama, and K. Ohashi, “Study on the Grinding Temperature of Workpiece in Side Plunge Grinding Process,” Int. J. Automation Technol., Vol.19 No.3, pp. 337-345, 2025.
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Last updated on May. 08, 2025