CMJ14 Hydraulic Crawler Drilling Jumbo
CMJ14 hydraulic drilling jumbo is mainly used to drill blast holes for small to medium sized tunneling construction in coal mine and other underground engineering with cross section 4.2-14m2 . The drilling jumbo greatly improves working environment, and gets efficiency and quality development. Electricity power and twin power drilling jumbo are available for option.
| Cross section | m² | 14 |
| Boom number | 1 | |
| Hole diameter | mm | φ43 |
| Hole depth | mm | 2100 |
| Min. turning radius | mm | 5600 |
| Overall size, tramming | mm | 6510×1130×1870 |
| Coverage area | mm | 3600×4250 |
| Stabilization，working | Hydraulic jacks | |
| Ground clearance | mm | 240 |
| Gradeability | 14° | |
| Drill tool | B28 drill rod | |
| Feed length | mm | 3750 |
| Feeding speed | mm/min | 8000 |
| Impacting power | kw | 8.25 |
| Flushing water pressure | MPa | 0.8-1.2 |
| Machine power | kw | 37 |
| Weight | kg | 6500 |
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