CMJ14 Hydraulic Crawler Drilling Jumbo
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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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