High Drilling Speed Rock Driller Jumbo driller for blasting hole drilling in underground rock roadway tunneling
CMJ17, CMJ27 Fully Hydraulic Jumbo is designed for blasting hole drilling in the underground roadway. It is widely used in the construction of coal mine, metal mine, hydropower station, railway, etc. The machine can not only drill holes in working face but also drill holes on roof, sidewall, floor and so on. It can also be used as a roof bolter.
Specification of CMJ2-17(A)
| Description | parameters | ||
| Boon number | 2 | ||
| Applicable section area m2 | 17 | ||
| Working scope (W×H) mm | 5000×3500 | ||
| Min. turning radius at Traveling mm | 6000 | ||
| Working width at stable working state mm | 1800 | ||
| Whole machine | Overall dimension(L×W×H) mm | 7200×1030×1650 | |
| Drilling diameter mm | φ27~φ42 | ||
| Drilling depth mm | 2130 | ||
| Rinsing water pressure | 0.5~2 | ||
| Drilling rod | 28 | ||
| Apothem mm | 70 | ||
| Total weight mm | 8000 | ||
| Ground pressure MPa | 0.09 | ||
| Ground clearance mm | 130 | ||
| Working voltage V | 660/1140 | ||
| Working current A | 59/34.2 | ||
| Starting current A | 295/171.5 | ||
| Power kW | 55 | ||
| Working pressure MPa | 16 | ||
| Drilling speed m/min MPa | 0.8~2 | ||
| Section area(W×H) m2 | 2×2~5×3.5 | ||
| Total power kW | 45 | ||
| Total weight t | 8 | ||
| Traveling system | Working pressure MPa | 20 | 17.5 |
| Working flow rate L/min | 50 | ||
| Traveling speed m/min | 30 | ||
| Gradeability | 25%(about14°) | ||
| Width of track mm | 260 | ||
|
Drilling boom
|
Working pressure MPa | 17.5 | |
| Working flow rate L/min | 10 | ||
| Pushing compensation stroke mm | 1500 | ||
| Pushing compensation power kN | 1.9 | ||
| Tilt angle | Down 105° up 15° | ||
| Swing angle | Left 45° right 45° | ||
| Rotation angle | Clockwise 180° reverse 180° | ||
| Working pressure MPa | 10 | ||
| Working flow rate L/min | 10 | ||
| Propelling stroke mm | 2130 | ||
| Propeller length mm | 3935 | ||
| Propelling force kN | 9 | ||
| Propelling speed m/min | 2 | ||
| Returning speed without loading m/min | 12 | ||
Company's name: Shijiazhuang Coal Mining Machinery Co., Ltd.
Company's address: 167 Yuxiang Street, Shijiazhuang, China.
Contact person: Gina
Tel: +86 311 85538986
Fax: +86 311 85538888
Email: ginazi@163.com
Website: www.coalcutting.com
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