Prediction of Chip Flow Direction, Cutting Forces and Surface Roughness in Finish Turning

[+] Author and Article Information
J. A. Arsecularatne, R. F. Fowle, P. Mathew

School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052

J. Manuf. Sci. Eng 120(1), 1-12 (Feb 01, 1998) (12 pages) doi:10.1115/1.2830102 History: Received September 01, 1995; Revised June 01, 1996; Online January 17, 2008


A method is described for calculating the chip flow direction in terms of the tool cutting edge geometry and cutting conditions. By defining an equivalent cutting edge based on the chip flow direction it is shown how cutting forces can be predicted under finishing conditions when the work material’s flow stress and thermal properties are known. A comparison between predicted and experimental results obtained for a range of tool geometries and cutting conditions shows good agreement. Surface roughness Ra values measured in the tests are compared with the theoretical values determined from the nose radius and feed.

Copyright © 1998 by The American Society of Mechanical Engineers
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