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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2015
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Article
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Tab 3
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Research Article
Surface Roughness Models and Their Experimental Validation in Micro Milling of 6061-T6 Al Alloy by Response Surface Methodology
Table 3
Important factors and their levels.
Parameter
Notation
Unit
Levels
−2
−1
0
1
2
Spindle speed
r/min
10000
12000
14000
16000
18000
Feed rate
μ
m/r
0.4
0.8
1.2
1.6
2.0
Depth of cut
μ
m
10
20
30
40
50