REFERENCES 55
R
o
= 0.60 $/min
R
m
= 0.40 $/min
C
t
= $ 2.00/edge
t
l
= 1.5 min
t
c
h = 0.8 min
D =25mm
L = 150 mm
1/m = 1.25 (m = 0.80)
1/n = 4.00 (n = 0.25)
C =2.46x10
8
min
Q = 1.0 (for turning).
Using these values, one can obtain:
K
00
= 1.50
K
01
= 11.78 mm-m
K
02
=1.34x10
7
(solution f = 0.125 mm/rev, V =140 m/min, C
u
(var)=0.90, and T =8.6 min).
REFERENCES
[1] Robert C. Creese and Pingfang Tsai, “Generalized Solution for Constrained Metal Cutting
Economics Problem,” 1985 Annual International Industrial Conference Proceedings, Institute of
Industrial Engineers U.S.A, pp 113–117. 51
[2] Ermer, D.S., “Optimization of the Constrained Machining Economics Problem by Geometric
Programming,” Journal of Engineering for Industry, Transactions of the ASME, November
1971, pp 1067–1072. 51
[3] Tsai, Pingfang An Optimization Algorithm and Economic Analysis for a Constrained Machining
Model, PhD Dissertation, West Virginia University, Morgantown, WV. 54

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