Open Access
Table 9
Experimental results when polishing with magnetic field SKD 61 coated Ni-P by Taguchi L16 method.
| Polishing mode | ||||||
|---|---|---|---|---|---|---|
| No. | Workpiece speed (n1) | AP diameter (AP) | CIP diameter (CP) | Magnet speed n2 | Roughness mean Ram (nm) |
MRR (mg/min) |
| 1 | 300 rpm | 5 μm | 2 μm | 20 rpm | 7,984 | 18,65 |
| 2 | 300 rpm | 3 μm | 4 μm | 40 rpm | 4,614 | 17,10 |
| 3 | 300 rpm | 1 μm | 6 μm | 60 rpm | 3,323 | 11,93 |
| 4 | 300 rpm | 0.5 μm | 8 μm | 80 rpm | 11,286 | 7,53 |
| 5 | 500 rpm | 5 μm | 4 μm | 60 rpm | 18,750 | 19,19 |
| 6 | 500 rpm | 3 μm | 2 μm | 80 rpm | 6,620 | 15,97 |
| 7 | 500 rpm | 1 μm | 8 μm | 20 rpm | 4,269 | 11,55 |
| 8 | 500 rpm | 0.5 μm | 6 μm | 40 rpm | 8,650 | 8,45 |
| 9 | 700 rpm | 5 μm | 6 μm | 80 rpm | 13,720 | 22,08 |
| 10 | 700 rpm | 3 μm | 8 μm | 60 rpm | 6,164 | 18,49 |
| 11 | 700 rpm | 1 μm | 2 μm | 40 rpm | 4,530 | 13,34 |
| 12 | 700 rpm | 0.5 μm | 4 μm | 20 rpm | 7,969 | 8,85 |
| 13 | 900 rpm | 5 μm | 6 μm | 40 rpm | 19,684 | 20,70 |
| 14 | 900 rpm | 3 μm | 8 μm | 20 rpm | 7,740 | 17,68 |
| 15 | 900 rpm | 1 μm | 4 μm | 80 rpm | 5,750 | 12,70 |
| 16 | 900 rpm | 0.5 μm | 2 μm | 60 rpm | 9,195 | 9,61 |
| Polynomial equation with MRR and surface quality polishing with magnetic field SKD 61 coated Ni-P | ||||||
| Ra | Ra = 34.4951 ̶ 0.306506 × n1+15.5759 × AP ̶ 0.401054 × CP+0.662524 × n2 +0.000334337 × n1 2 + 0.00645375 × n1 × AP + 0.0022376 × n1 × CP ̶ 0.000408744 × n1 × n2 ̶ 1,56059 × AP 2 ̶ 7.43918 × AP × CP +0.504944 × AP × n2 +0.668236 × CP 2 + 0.143539 × CP × n2 ̶ 0.0219863 × n2 2 | |||||
| MRR | MRR = ̶ 49.3401 + 0.268705× n1 ̶ 4.96103×AP + 5.17166×CP ̶ 0.269363× n2 ̶ 0.0002474× n1 2 ̶ 0.0043546× n1×AP ̶ 0.00555748× n1×CP + 0.000105134× n1× n2 + 1.0222×AP 2 + 5.01039×AP×CP ̶ 0.361809×AP×N2 ̶ 0.679069×CP 2 ̶ 0.0970906×CP× n2 +0.0144638× n1 2 | |||||
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