Research Article
Optimizing Cutting Conditions for Minimum Surface Roughness in Face Milling of High Strength Steel Using Carbide Inserts
Table 7
Cutting conditions for group B.
| Test | Group | Spindle speed | Depth of cut | Table feed | Surface finish (µm) | number | # | (rpm) | (mm) | (mm/min) | | |
| B1 | B1 | 500 | 0.25 | 50 | 0.044 | 0.298 | B2 | 75 | 0.122 | 1.042 | B3 | 100 | 0.153 | 1.200 | B4 | 125 | 0.204 | 1.417 | B5 | B2 | 500 | 0.5 | 50 | 0.056 | 0.338 | B6 | 75 | 0.130 | 0.948 | B7 | 100 | 0.173 | 1.257 | B8 | 125 | 0.211 | 1.368 | B9 | B3 | 500 | 0.75 | 50 | 0.075 | 0.854 | B10 | 75 | 0.166 | 1.133 | B11 | 100 | 0.196 | 1.371 | B12 | 125 | 0.235 | 1.428 | B13 | B4 | 500 | 1.00 | 50 | 0.087 | 0.928 | B14 | 75 | 0.208 | 1.216 | B15 | 100 | 0.242 | 1.401 | B16 | 125 | 0.256 | 1.598 | B17 | B5 | 750 | 0.25 | 50 | 0.085 | 0.605 | B18 | 75 | 0.186 | 1.223 | B19 | 100 | 0.209 | 1.738 | B20 | 125 | 0.240 | 1.479 | B21 | B6 | 750 | 0.5 | 50 | 0.088 | 0.872 | B22 | 75 | 0.106 | 1.067 | B23 | 100 | 0.117 | 1.150 | B24 | 125 | 0.146 | 1.179 | B25 | B7 | 750 | 0.75 | 50 | 0.098 | 0.900 | B26 | 75 | 0.121 | 1.102 | B27 | 100 | 0.138 | 1.318 | B28 | 125 | 0.169 | 1.549 | B29 | B8 | 750 | 1.00 | 50 | 0.110 | 1.002 | B30 | 75 | 0.200 | 1.990 | B31 | 100 | 0.296 | 2.143 | B32 | 125 | 0.356 | 2.261 | B33 | B9 | 1000 | 0.25 | 50 | 0.049 | 0.338 | B34 | 75 | 0.100 | 0.896 | B35 | 100 | 0.120 | 1.007 | B36 | 125 | 0.140 | 1.176 | B37 | B10 | 1000 | 0.5 | 50 | 0.096 | 0.605 | B38 | 75 | 0.118 | 0.952 | B39 | 100 | 0.136 | 1.112 | B40 | 125 | 0.239 | 1.722 | B41 | B11 | 1000 | 0.75 | 50 | 0.110 | 0.746 | B42 | 75 | 0.221 | 1.362 | B43 | 100 | 0.240 | 1.677 | B44 | 125 | 0.262 | 1.857 | B45 | B12 | 1000 | 1.00 | 50 | 0.118 | 0.856 | B46 | 75 | 0.242 | 1.600 | B47 | 100 | 0.268 | 1.917 | B48 | 125 | 0.279 | 2.142 | B49 | B13 | 1250 | 0.25 | 50 | 0.060 | 0.861 | B50 | 75 | 0.110 | 1.084 | B51 | 100 | 0.145 | 1.113 | B52 | 125 | 0.165 | 1.437 | B53 | B14 | 1250 | 0.5 | 50 | 0.065 | 0.406 | B54 | 75 | 0.122 | 0.899 | B55 | 100 | 0.138 | 0.908 | B56 | 125 | 0.166 | 1.000 | B57 | B15 | 1250 | 0.75 | 50 | 0.068 | 0.323 | B58 | 75 | 0.129 | 1.235 | B59 | 100 | 0.175 | 1.346 | B60 | 125 | 0.201 | 2.189 | B61 | B16 | 1250 | 1.00 | 50 | 0.075 | 0.412 | B62 | 75 | 0.165 | 1.516 | B63 | 100 | 0.192 | 1.715 | B64 | 125 | 0.225 | 1.822 |
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