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XG3008C4 is part of Raise bore tools,Roller cutter, also known as raise boring equipment, is mainly used to excavate the ventilation shaft of the underground mine. The return drilling process includes pilot hole drilling and reaming drilling.
XG300 5A46B48C4：Suitable for medium and hard formations
Cutter Type
| NO | Type | A | B | C | No of insert rows | Taper |
| 1 | XG300 5A4 D01 | 284 | 223 | 300 | 5 | 20° |
| 2 | XG300 6B4 D01 | 284 | 223 | 300 | 6 | 20° |
| 3 | XG300 8C4 R01 | 274 | 223 | 300 | 8 | 20 |
| Description | Features | |
| XG 300 5A4D0l、6B4 D01、8C4 R01
●XG Company ●300 Maximum Diameter ●5、6、8 No of insert rows ●A、B、C Cutter Type（A-Single insert row on the larger end, B-Double insert rows on the larger end, C-Double insert） ●4 Formation ●D01 Connection（Double holes），R01 Connection（single or double holes） |
●The main cone adopts large-diameter conical inserts, which has higher wear resistance.
●Adopt high-quality NSK thrust bearing to improve bearing load. ●Adopt the floating oil seal imported from Germany to prolong the sealing time and improve the service life. ●A, B and C cutter types are used together to achieve full coverage of the bottom-hole crushing zone. Cutter heads with diameters of 1.2 meters, 1.4 meters, and 2 meters can be used. |
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Scope of application：
| NO | Parameter | XG300 5A4 D01 | XG300 6B4 D01 | XG300 8C4 R01 |
| 1 | Hardness | F14～f17 | F14～f17 | F14～f17 |
| 2 | Recommended drilling pressure | 100KN～180KN | 100KN～180KN | 100KN～180KN |
| 3 | Maximum drilling pressure | 200KN | 200KN | 200KN |
| 4 | Rotation Speed | 0～13 RPM | 0～13 RPM | 0～13 RPM |
| 5 | Maximum Speed | 90m/min | 90m/min | 90m/min |
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