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TECHNICAL PAPERS

A Study of Burr Formation Processes Using the Finite Element Method: Part I

[+] Author and Article Information
I. W. Park

Integrated Surgical Systems, Inc., 1850 Research Park Dr., Davis, CA 95616

D. A. Dornfeld

Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94270-1740

J. Eng. Mater. Technol 122(2), 221-228 (Dec 31, 1999) (8 pages) doi:10.1115/1.482791 History: Received June 26, 1998; Revised December 31, 1999
Copyright © 2000 by ASME
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References

Figures

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A finite element model of burr formation
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Stress-strain curves of the ductile failure model
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Metal-cutting simulation procedure by ductile failure model
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Mesh deformation in steady-state cutting
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Constraint for allowable machined surface finish
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Element groups of a FEM model and cutting path in thick burr simulation
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Flowchart of metal cutting and burr formation simulation
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Progressive change of geometry in thick burr simulation
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Progressive change of geometry in thin burr simulation
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Formation of positive shear on the workpiece edge
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Development of positive shear on the workpiece edge in burr formation
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Negative deformation zone and SEM micrograph of a thin burr
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Negative deformation zone and SEM micrograph of a thick burr

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