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Journal of Optimization
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Journal of Optimization
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2015
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Article
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Tab 3
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Research Article
Minimization of Surface Roughness and Tool Vibration in CNC Milling Operation
Table 3
Factors and selected levels in milling operations.
Factor
Level
−1
0
1
—cutting speed (m/min)
100
140
180
—axial feed (mm/tooth)
0.1
0.15
0.2
—depth of cut (mm)
0.75
1.0
1.25