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On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools

Li, Hao Nan; Axinte, Dragos

Authors

Hao Nan Li

DRAGOS AXINTE dragos.axinte@nottingham.ac.uk
Professor of Manufacturing Engineering



Abstract

In order to lower temperature, abrasive tools with passive-grinding, e.g. textured, areas (PGA) have been suggested. However, most of the reported PGA geometries (e.g. slots, holes) have been determined based on the engineering intuition (i.e. trial and error) rather than in-depth phenomenological analysis. To fill this gap, this paper proposes a method to design the PGA geometry according to the desired temperature, i.e. the inverse design method. In the method, the analytical model of grinding temperature for tools with PGA is established and treated as the primary constraint in the inverse problem, while the models of the ground surface roughness and grinding continuity as the subsidiary constraints. The method accuracy is validated by conducting grinding trials with tools with the calculated PGA geometries and comparing their performances (temperature, roughness and force fluctuation) to the required ones. In comparison with conventional tools, our tools designed by the method have been found effective to reduce harmful, or even destructive, thermal effects on the ground surfaces. This work might lay foundation for designing discontinuous abrasive tools, and future work can be probably extended to the tools or the workpiece with more complex shapes (e.g. ball end/cup tools, and free-form workpiece).

Citation

Li, H. N., & Axinte, D. (2018). On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools. International Journal of Machine Tools and Manufacture, 132, https://doi.org/10.1016/j.ijmachtools.2018.04.006

Journal Article Type Article
Acceptance Date Apr 23, 2018
Online Publication Date Apr 26, 2018
Publication Date Sep 30, 2018
Deposit Date May 11, 2018
Publicly Available Date Apr 27, 2019
Journal International Journal of Machine Tools and Manufacture
Electronic ISSN 0890-6955
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 132
DOI https://doi.org/10.1016/j.ijmachtools.2018.04.006
Keywords Engineered abrasive; Grinding temperature; Inverse design
Public URL http://eprints.nottingham.ac.uk/id/eprint/51726
Publisher URL https://www.sciencedirect.com/science/article/pii/S089069551830083X
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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