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TECHNICAL PAPERS

Mechanics of Machining With Chamfered Tools

[+] Author and Article Information
H. Ren, Y. Altintas

Department of Mechanical Engineering, The University of British Columbia, Vancouver, BC, Canada V6T 1Z4http://www.mech.ubc.ca/∼mal

J. Manuf. Sci. Eng 122(4), 650-659 (Dec 01, 1999) (10 pages) doi:10.1115/1.1286368 History: Received May 01, 1998; Revised December 01, 1999
Copyright © 2000 by ASME
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References

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Oxley, P. L. B., and Hastings, W. F., 1977, “Predicting the Strain Rate in the Zone of Intense Shear in Which the Chip is Formed in Machining From the Dynamic Flow Stress Properties of the Work Material and the Cutting Conditions,” Proceedings of the Royal Society of London, Vol. A356, pp. 395–410.
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Shamoto,  E., and Altintas,  Y., 1999, “Prediction of Shear Angle in Oblique Cutting,” Trans. ASME J. Eng. Manufact. Sci. Eng.,121, pp. 399–407.
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Figures

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Proposed chip formation model for cutting with chamfered tools
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A proposed slip-line field under the chamfered edge
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A generalized prediction algorithm for cutting with chamfered tools
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Diagram of experimental setup for orthogonal machining of P20 mold steel
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Effect of chamfer angle on machining with carbide chamfered tools
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Effect of cutting speed on machining with CBN chamfered tools
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Comparison of tool wear. (a) and (b) Cutting length: 120 meters, ISO S10 carbide tool. (c) Cutting length: 300 meters, MB820 CBN tool.
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Effect of cutting speed on tool wear. (a) Cutting length: 870 m, (b) cutting length: 907 m, (c) cutting length: 780 m. Chamfered CBN tool: MB810, α1=−15 deg, bcf=0.1 mm, feedrate: 0.08 mm/rev, depth of cut: 1.0 mm.

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