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Materials 2018, 11(2), 274; https://doi.org/10.3390/ma11020274

Elucidating Grinding Mechanism by Theoretical and Experimental Investigations

1
Faculty of Engineering, Kitami Institute of Technology, 165 Koen-cho, Kitami 090-8507, Japan
2
Department of Industrial Engineering, University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy
3
Industrial Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
*
Author to whom correspondence should be addressed.
Received: 31 December 2017 / Revised: 30 January 2018 / Accepted: 5 February 2018 / Published: 9 February 2018
(This article belongs to the Section Manufacturing Processes and Systems)
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Abstract

Grinding is one of the essential manufacturing processes for producing brittle or hard materials-based precision parts (e.g., optical lenses). In grinding, a grinding wheel removes the desired amount of material by passing the same area on the workpiece surface multiple times. How the topography of a workpiece surface evolves with these passes is thus an important research issue, which has not yet been addressed elaborately. The present paper tackles this issue from both the theoretical and the experimental points of view. In particular, this paper presents the results of experimental and theoretical investigations on the multi-pass surface grinding operations where the workpiece surface is made of glass and the grinding wheel consists of cBN abrasive grains. Both investigations confirm that a great deal of stochasticity is involved in the grinding mechanism, and the complexity of the workpiece surface gradually increases along with the number of passes. View Full-Text
Keywords: multi-pass grinding; brittle materials; grinding wheel; surface topography; complexity multi-pass grinding; brittle materials; grinding wheel; surface topography; complexity
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Ullah, A.S.; Caggiano, A.; Kubo, A.; Chowdhury, M.A.K. Elucidating Grinding Mechanism by Theoretical and Experimental Investigations. Materials 2018, 11, 274.

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