A finite element model of orthogonal metal cutting including burr formation is presented. A metal-cutting simulation procedure based on a ductile failure criterion is proposed for the purpose of better understanding the burr formation mechanism and obtaining a quantitative analysis of burrs using the finite element method. In this study, the four stages of burr formation, i.e., initiation, initial development, pivoting point, and final development stages, are investigated based on the stress and strain contours with the progressive change of geometry at the edge of the workpiece. Also, the characteristics of thick and thin burrs are clarified along with the negative deformation zone formed in front of the tool edge in the final development stage. [S0094-4289(00)00702-7]
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April 2000
Technical Papers
A Study of Burr Formation Processes Using the Finite Element Method: Part I
I. W. Park,
I. W. Park
Integrated Surgical Systems, Inc., 1850 Research Park Dr., Davis, CA 95616
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D. A. Dornfeld, Fellow ASME
D. A. Dornfeld, Fellow ASME
Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94270-1740
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I. W. Park
Integrated Surgical Systems, Inc., 1850 Research Park Dr., Davis, CA 95616
D. A. Dornfeld, Fellow ASME
Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94270-1740
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division June 26, 1998; revised manuscript received December 31, 1999. Associate Technical Editor: Kwai S. Chan.
J. Eng. Mater. Technol. Apr 2000, 122(2): 221-228 (8 pages)
Published Online: December 31, 1999
Article history
Received:
June 26, 1998
Revised:
December 31, 1999
Citation
Park, I. W., and Dornfeld, D. A. (December 31, 1999). "A Study of Burr Formation Processes Using the Finite Element Method: Part I ." ASME. J. Eng. Mater. Technol. April 2000; 122(2): 221–228. https://doi.org/10.1115/1.482791
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