Research Article
Optimizing Cutting Conditions for Minimum Surface Roughness in Face Milling of High Strength Steel Using Carbide Inserts
Table 6
Cutting conditions for group A.
| Test | Group | Spindle speed | Depth of cut | Table feed | Surface finish (µm) | number | # | (rpm) | (mm) | (mm/min) | | |
| A1 | A1 | 500 | 0.25 | 50 | 0.042 | 0.295 | A2 | 75 | 0.120 | 1.039 | A3 | 100 | 0.151 | 1.198 | A4 | 125 | 0.202 | 1.419 | A5 | A2 | 500 | 0.5 | 50 | 0.055 | 0.336 | A6 | 75 | 0.129 | 0.945 | A7 | 100 | 0.171 | 1.256 | A8 | 125 | 0.210 | 1.366 | A9 | A3 | 500 | 0.75 | 50 | 0.073 | 0.855 | A10 | 75 | 0.165 | 1.132 | A11 | 100 | 0.194 | 1.369 | A12 | 125 | 0.233 | 1.426 | A13 | A4 | 500 | 1.00 | 50 | 0.087 | 0.928 | A14 | 75 | 0.206 | 1.216 | A15 | 100 | 0.241 | 1.400 | A16 | 125 | 0.253 | 1.596 | A17 | A5 | 750 | 0.25 | 50 | 0.083 | 0.607 | A18 | 75 | 0.184 | 1.220 | A19 | 100 | 0.208 | 1.736 | A20 | 125 | 0.239 | 1.478 | A21 | A6 | 750 | 0.5 | 50 | 0.085 | 0.871 | A22 | 75 | 0.104 | 1.069 | A23 | 100 | 0.115 | 1.149 | A24 | 125 | 0.143 | 1.177 | A25 | A7 | 750 | 0.75 | 50 | 0.094 | 0.901 | A26 | 75 | 0.118 | 1.103 | A27 | 100 | 0.136 | 1.316 | A28 | 125 | 0.167 | 1.547 | A29 | A8 | 750 | 1.00 | 50 | 0.109 | 1.002 | A30 | 75 | 0.201 | 1.991 | A31 | 100 | 0.294 | 2.140 | A32 | 125 | 0.354 | 2.263 | A33 | A9 | 1000 | 0.25 | 50 | 0.046 | 0.334 | A34 | 75 | 0.104 | 0.899 | A35 | 100 | 0.120 | 1.005 | A36 | 125 | 0.140 | 1.174 | A37 | A10 | 1000 | 0.5 | 50 | 0.094 | 0.601 | A38 | 75 | 0.116 | 0.950 | A39 | 100 | 0.134 | 1.109 | A40 | 125 | 0.236 | 1.719 | A41 | A11 | 1000 | 0.75 | 50 | 0.109 | 0.743 | A42 | 75 | 0.220 | 1.364 | A43 | 100 | 0.239 | 1.675 | A44 | 125 | 0.259 | 1.855 | A45 | A12 | 1000 | 1.00 | 50 | 0.115 | 0.853 | A46 | 75 | 0.243 | 1.598 | A47 | 100 | 0.265 | 1.914 | A48 | 125 | 0.278 | 2.140 | A49 | A13 | 1250 | 0.25 | 50 | 0.060 | 0.859 | A50 | 75 | 0.110 | 1.082 | A51 | 100 | 0.144 | 1.112 | A52 | 125 | 0.165 | 1.435 | A53 | A14 | 1250 | 0.5 | 50 | 0.064 | 0.404 | A54 | 75 | 0.121 | 0.896 | A55 | 100 | 0.137 | 0.907 | A56 | 125 | 0.165 | 0.996 | A57 | A15 | 1250 | 0.75 | 50 | 0.068 | 0.321 | A58 | 75 | 0.128 | 1.233 | A59 | 100 | 0.174 | 1.348 | A60 | 125 | 0.203 | 2.186 | A61 | A16 | 1250 | 1.00 | 50 | 0.072 | 0.409 | A62 | 75 | 0.163 | 1.514 | A63 | 100 | 0.190 | 1.713 | A64 | 125 | 0.223 | 1.820 |
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