A Study of Burr Formation Processes Using the Finite Element Method: Part I-Reference-Cited by-同舟云学术

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

Published:1999-12-31 Issue:2 Volume:122 Page:221-228
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Park I. W.¹,Dornfeld D. A.²

Affiliation:

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

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

Abstract

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]

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/122/2/221/5880416/221_1.pdf

Reference18 articles.

1. Gillespie, L. K., and Blotter, P. T., 1976, “The Formation and Properties of Machining Burrs,” ASME J. Eng. Ind., 98, Feb., pp. 64–74.

2. Iwata, K., Ueda, K., and Okuda, K., 1982, “Study of Mechanism of Burrs Formation in Cutting Based on Direct SEM Observation,” J. Japan Society of Precision Engineering, 48-4, pp. 510–515.

3. Ko, S. L., and Dornfeld, D. A., 1991, “A study on Burr Formation Mechanism,” ASME J. Eng. Ind., 98, No. 1, pp. 66–74.

4. Chern, G. L., 1993, “Analysis of Burr Formation and Breakout in Metal Cutting,” Ph.D. Thesis, University of California, Mechanical Engineering Department, pp. 25–42.

5. Chern, G. L., and Dornfeld, D. A., 1996, “Burr/Breakout Development and Experimental Verification,” ASME J. Eng. Mater. Technol., 118-2, pp. 201–206.

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