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TECHNICAL PAPERS

The Effect of Workpiece Hardness and Cutting Speed on the Machinability of AISI H13 Hot Work Die Steel When Using PCBN Tooling

[+] Author and Article Information
Eu-Gene Ng

University of Birmingham, School of Manufacturing and Mechanical Engineering, Edgbaston, Birmingham, B15 2TT, UKe-mail egn582@bham.ac.uk

David K. Aspinwall

University of Birmingham, School of Manufacturing and Mechanical Engineering, IRC in Materials for High Performance Applications, Edgbaston, Birmingham, B15 2TT, UK

J. Manuf. Sci. Eng 124(3), 588-594 (Jul 11, 2002) (7 pages) doi:10.1115/1.1452749 History: Received March 01, 1999; Revised August 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

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Figures

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Forces associated on the line AB in orthogonal machining
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Schematic of orthogonal machining set-up and force measurement system
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The effect of workpiece hardness and cutting speed on Fx (Experimental)
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The effect of workpiece hardness and cutting speed on Fz (Experimental)
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The effect of workpiece hardness and cutting speed on resultant force
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The effect of workpiece hardness and cutting speed on shear angle
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The effect of workpiece hardness and cutting speed on shear flow stress in the shear zone
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The effect of cutting speed and workpiece hardness on the temperature generated in the shear zone (calculated)
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The effect of workpiece hardness on tensile strength 22
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The effect of workpiece hardness and cutting speed on the proportion of heat conducted into the workpiece
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Etched chip profile at 28 HRC at a 75 m/min cutting speed—homogeneous deformed segmental chip
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Etched chip profile at 42 HRC at a 150 m/min cutting speed—inhomogeneous deformed segmental chip
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Etched chip profile at 42 HRC at a 200 m/min cutting speed—shear localized chip
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Magnified view of the unetched white layer in Fig. 13
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The effect of workpiece hardness and cutting speed on the mean chip thickness
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The effect of workpiece hardness and cutting speed on shear zone thickness

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