Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15064
Title: A microplasticity analysis of micro-cutting force variation in ultra-precision diamond turning
Authors: Lee, WB 
Cheung, CF 
To, S 
Issue Date: 2002
Publisher: American Society of Mechanical Engineers
Source: Journal of manufacturing science and engineering, 2002, v. 124, no. 2, p. 170-177 How to cite?
Journal: Journal of manufacturing science and engineering 
Abstract: This paper describes a microplasticity model for analyzing the variation of cutting force in ultra-precision diamond turning. The model takes into account the effect of material anisotropy due to the changing crystallographic orientation of workpieces being cut. A spectrum analysis technique is deployed to extract the features of the cutting force patterns. The model has been verified through a series of cutting experiments conducted on aluminum single crystals with different crystallographic cutting planes. The results indicate that the model can predict well the patterns of the cutting force variation. It is also found that there exists a fundamental cyclic frequency of variation of cutting force per revolution of the workpiece. Such a frequency is shown to be closely related to the crystallographic orientation of the materials being cut. The successful development of the microplasticity model provides a quantitative means for explaining periodic fluctuation of micro-cutting force in diamond turning of crystalline materials.
URI: http://hdl.handle.net/10397/15064
ISSN: 1087-1357
EISSN: 1528-8935
DOI: 10.1115/1.1454108
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