Surface Roughness: grinding_cylindrical to hot_rolling
Surface roughness (Ra) values achievable by various manufacturing processes — turning, milling, grinding, lapping, etc.
| record id | notes | process | process category | ra max uin (uin) | ra max um (um) | ra min uin (uin) | ra min um (um) | ra typical uin (uin) | ra typical um (um) |
|---|---|---|---|---|---|---|---|---|---|
| grinding_cylindrical | External OD grinding between centers | Cylindrical Grinding | grinding | 63 | 1.6 | 3.9 | 0.1 | 15.7 | 0.4 |
| grinding_internal | ID grinding; more difficult than OD | Internal Grinding | grinding | 63 | 1.6 | 7.9 | 0.2 | 31.5 | 0.8 |
| grinding_surface | Horizontal spindle, reciprocating table | Surface Grinding | grinding | 63 | 1.6 | 3.9 | 0.1 | 15.7 | 0.4 |
| honing | Abrasive stones with reciprocating motion; cylinder bores | Honing | grinding | 31.5 | 0.8 | 2 | 0.05 | 7.9 | 0.2 |
| hot_rolling | Mill-rolled surface; scale present | Hot Rolling | forming | 984.2 | 25 | 248 | 6.3 | 492.1 | 12.5 |
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