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TECHNICAL PAPERS

A Mechanistic Cutting Force Model for 3D Ball-end Milling

[+] Author and Article Information
Hsi-Yung Feng, Ning Su

Department of Mechanical and Materials Engineering, The University of Western Ontario, London, Ontario, Canada N6A 5B9

J. Manuf. Sci. Eng 123(1), 23-29 (Mar 01, 2000) (7 pages) doi:10.1115/1.1334864 History: Received December 01, 1998; Revised March 01, 2000
Copyright © 2001 by ASME
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References

Figures

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A flow chart showing the cutting force calculation procedure
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The Cartesian coordinate system used for the ball-end mill
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Boundary limits of the cutter-part engagement geometry for ϕ=0 (upper) and ψ=0 (lower)
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Typical cut geometry in 3D ball-end milling
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Undeformed chip thickness calculation geometry for 3D ball-end milling
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Cutting forces for ψ=−30°,ϕ=15°,s=−3.175 mm, f=0.0381 mm/tooth, d=6.286 mm, ρ(z)=0.0120z−0.00007 and λ(z)=0.222−z tan β/R
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Cutting forces for ψ=30°,ϕ=−15°,s=−3.175 mm, f=0.0381 mm/tooth, d=6.286 mm, ρ(z)=0.0120z−0.00007 and λ(z)=0.222−z tan β/R

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