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TECHNICAL PAPERS

Online Identification of Shearing and Plowing Constants in End Milling

[+] Author and Article Information
J.-J. Junz Wang, C. M. Zheng

Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan 701

J. Manuf. Sci. Eng 125(1), 57-64 (Mar 04, 2003) (8 pages) doi:10.1115/1.1536931 History: Received October 01, 2001; Revised June 01, 2002; Online March 04, 2003
Copyright © 2003 by ASME
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References

Figures

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Comparison of measured and predicted forces, (a) in angle domain and (b) in frequency domain. Solid line: measured. ○: predicted. Cutting conditions: slot cut, tx=0.1 mm,da=5 mm,dr=10 mm.
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Comparison of measured and predicted forces, (a) in angle domain and (b) in frequency domain. Solid line: measured. ○: predicted. Cutting conditions: down cut, tx=0.03 mm,da=3 mm,dr=3 mm.
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Cutting geometry and coordinate systems in end milling
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Comparison of simulated cutting forces. Solid line: numerical simulation with cutting constants from 10. *: from identified cutting constants with two harmonic terms; ○: with five terms; and +: with seven terms. Same cutting conditions as in Table 1 with rake angle=12 deg.
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The identified cutting constants versus average uncut chip thickness, (a) the tangential shearing constants and the lumped tangential constants, (b) the radial shearing constants and the lumped radial constants, (c) the tangential plowing constants and (d) the radial plowing constants. ○: from the first method; +: from the second method; *: lumped cutting constants for down cut; •: lumped cutting constants for up cut.
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Comparison of measured and predicted forces, (a): in angle domain and (b): in frequency domain. Solid line: measured. ○: predicted. Cutting conditions: down cut, tx=0.075 mm,da=3 mm,dr=3 mm.

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