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TECHNICAL PAPERS

Modeling Cutting Temperatures for Turning Inserts With Various Tool Geometries and Materials

[+] Author and Article Information
Aloysius U. Anagonye

Staff Research Engineer, Enterprise Systems Lab., GM R&D and Planning, Mail Code 480-106-359, 30500 Mound Road, Warren, MI 48090-9055

David A. Stephenson

Manufacturing Engineering, GM Powertrain Group, Warren, MI 48090-9055

J. Manuf. Sci. Eng 124(3), 544-552 (Jul 11, 2002) (9 pages) doi:10.1115/1.1461838 History: Received January 01, 2000; Revised September 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

Figures

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Sources of heat in metal cutting
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Geometry of a turning tool and its heat contact zone
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Idealization of a turning tool geometry as a semi-infinite rectangular corner
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Geometry of the tool insert
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The boundary conditions of the tool insert and holder
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The tool insert and holder finite element model
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Temperature distribution on an insert with nose radius (adiabatic boundary condition on “near” surfaces)
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Comparison of FEM results with data from Loewen and Shaw 3
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Effect of insert included angle—peak and average temperature rise on sharp inserts
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Effect of nose radius—peak and average temperature rise on inserts with 90 deg included angle
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Effect of different insert and tool holder materials—peak and average temperature rise on inserts with 90 deg included angle
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Peak temperature rise vs. insert included angle at various nose radii
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Average temperature rise vs. insert included angle at various nose radii
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Normalized temperature rise ratio vs. insert included angle for various nose radii inserts
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Schematics of the tool-work thermocouple experimental setup 21
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Thermoelectric calibration of tool-work EMF of uncoated WC-tool coupled to 1018 steel
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Shell element model of the insulating plates used in finite element analysis
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Thermoelectric EMF results for 35 deg and 80 deg inserts from thermocouple experiments

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