Research Article
Optimal Approaches for Hard Milling of SKD11 Steel Under MQL Conditions Using SIO2 Nanoparticles
Table 4
Result of roughness and material removal rate.
| No. | C (wt%) | V (m/min) | ap (mm) | f (mm/tooth) | Ra (μm) | MRR (mm3/min) |
| 1 | 0 | 40 | 0.2 | 0.01 | 0.220 | 101.91 | 2 | 0 | 40 | 0.4 | 0.02 | 0.250 | 407.64 | 3 | 0 | 40 | 0.6 | 0.03 | 0.350 | 917.20 | 4 | 0 | 60 | 0.2 | 0.02 | 0.240 | 305.73 | 5 | 0 | 60 | 0.4 | 0.03 | 0.288 | 917.20 | 6 | 0 | 60 | 0.6 | 0.01 | 0.200 | 458.60 | 7 | 0 | 80 | 0.2 | 0.03 | 0.270 | 611.46 | 8 | 0 | 80 | 0.4 | 0.01 | 0.181 | 407.64 | 9 | 0 | 80 | 0.6 | 0.02 | 0.222 | 1222.93 | 10 | 2 | 40 | 0.2 | 0.02 | 0.191 | 203.82 | 11 | 2 | 40 | 0.4 | 0.03 | 0.300 | 611.46 | 12 | 2 | 40 | 0.6 | 0.01 | 0.188 | 305.73 | 13 | 2 | 60 | 0.2 | 0.03 | 0.278 | 458.60 | 14 | 2 | 60 | 0.4 | 0.01 | 0.242 | 305.73 | 15 | 2 | 60 | 0.6 | 0.02 | 0.287 | 917.20 | 16 | 2 | 80 | 0.2 | 0.01 | 0.141 | 203.82 | 17 | 2 | 80 | 0.4 | 0.02 | 0.210 | 815.29 | 18 | 2 | 80 | 0.6 | 0.03 | 0.292 | 1834.39 | 19 | 4 | 40 | 0.2 | 0.03 | 0.288 | 305.73 | 20 | 4 | 40 | 0.4 | 0.01 | 0.155 | 203.82 | 21 | 4 | 40 | 0.6 | 0.02 | 0.169 | 611.46 | 22 | 4 | 60 | 0.2 | 0.01 | 0.120 | 152.87 | 23 | 4 | 60 | 0.4 | 0.02 | 0.149 | 611.46 | 24 | 4 | 60 | 0.6 | 0.03 | 0.234 | 1375.80 | 25 | 4 | 80 | 0.2 | 0.02 | 0.143 | 407.64 | 26 | 4 | 80 | 0.4 | 0.03 | 0.221 | 1222.93 | 27 | 4 | 80 | 0.6 | 0.01 | 0.146 | 611.46 |
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