| Roller Cutter - Randomly distributed button type |
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| NO. | Model | Size | A | B | C | D | E | F | Taper |
| 1 | LT28020-00A | 12″ | 340 | 227 | 280 | 45 | 86 | 80 | 20° |
| 2 | LT21820-00A | 8″ | 192 | 156 | 218 | 30.5 | 59.5 | 49.5 | 20° |
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| Application Parameters |
| 1. Applicable rock hardness: Platts hardness f≤12 |
| 2. Recommended single roller cutter bit pressure: 100KN~170KN(12″),60KN~100KN(8″) |
| 3. Maximum withstand bit pressure: 196KN(12″),120KN(8″) |
| 4. Recommended cutter rotation speed:3-15 RPM |
| 5. Maximum linear velocity:90m/min |
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| Product Features |
| 1. The back cone adopts spherical button alloy, and the main cone adopts conical button alloy. |
| 2. Randomly distributed buttons are used to achieve full coverage of the bottom crushing zone. |
| 3. The bearing structure is a core covering bearing for roller cutter. |
| 4. High quality metal sealed. |
| 5. Repairable and tailor-made. |
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