Surface Roughness vs. Abrasive Grain Size
U.S. mesh size vs. surface roughness.
Abrasive grain size and workpiece surface roughness:
Surface Roughness Ra (μm) | Abrasive Grain Size (U.S. mesh size) |
---|---|
0.7 - 1.1 | 46 |
0.35 - 0.7 | 60 |
0.2 - 0.4 | 80 |
0.17 - 0.25 | 100 |
0.14 - 0.2 | 120 |
0.12 - 0.17 | 150 |
0.1 - 0.14 | 180 |
0.08 - 0.12 | 220 |
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