FORCE MODELING OF MICRO END GRINDING OF HARD AND BRITTLE MATERIALS

 In Frontiers in Manufacturing Engineering (FME)

ABSTRACT

FORCE MODELING OF MICRO END GRINDING OF HARD AND BRITTLE MATERIALS

Journal: Frontiers in Manufacturing Engineering (FME)
Author: Kejun Wang, Fuqiang Tian, Shuo Zhang, Yan Zhao

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/fme.01.2017.08.11

Hard and brittle materials have broad application prospects in the defense, machinery and other fields, but hard machinability is crucial for its application. A promising processing method-micro end grinding (MEG), is put forward for machining microparts made of hard and brittle materials. Forces model of MEG is necessary to understand the effects of process, microgrinding wheel properties, material micro structure, etc, thereby allowing for process planning, optimization, and control. In this paper, a predictive model for MEG is developed by combined consideration of the undeformed chip thickness and the differences between up-grinding and down-grinding, and quantitatively predicts microgrinding forces. Experimental testing in a microgrinding configuration has been pursued to validate the predictive model by comparing measurements to analytical calculations. The analytical model is seen to capture the main trend of the experimental results, and many predictions are smaller than the experimental data of microgrinding. The average deviations in normal direction and tangential direction are analyzed lastly

[space size=”50″]
Pages 08-11
Year 2017
Issue 1
Volume 1
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