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TECHNICAL PAPERS

Modeling of Ball-End Milling Forces With Cutter Axis Inclination

[+] Author and Article Information
Ismail Lazoglu

Steven Y. Liang

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

J. Manuf. Sci. Eng 122(1), 3-11 (Feb 01, 1999) (9 pages) doi:10.1115/1.538885 History: Received October 01, 1997; Revised February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Geometry of ball-end mill (a) top view (b) front view (c) side view
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Illustration of local helix angle in ball-end mill
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Variation of local helix angle, λ1, with ψ and β angles for the cutter used in the experiments
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Variation of tc/tx in the θ−ψ domain for the values of θ1=40 deg,θ2=180 deg,ψ1=60 deg,ψ2=90 deg
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Illustration of differential chip volume and average chip thickness
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Illustration of an inclined ball-end mill
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Illustration of differential chip area
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Illustration of differential cutting force components
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Relationship between the angles in ball-end milling
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Variation of the cutting force coefficients with the average chip thickness; circles are for the values of these coefficients determined from the calibration tests, lines are for their regressional relationships to the average chip thickness (mm) as given in Eq. (23)
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Frequency spectrum of measured forces and their t̄c based analytical predictions for Test A
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Measured forces and their t̄c based estimations for Test A in the angular domain
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Frequency spectrum of measured forces and their t̄c based analytical predictions for Test B
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Measured forces and their t̄c based estimations for Test B in the angular domain
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Frequency spectrum of measured forces and their t̄c based analytical predictions for Test C
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Measured forces and their t̄c based estimations for Test C in the angular domain

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