Hydraulic Bolting Jumbo, CMM2-5 (for Coal Mine)
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CMM2-5 hydraulic bolting jumbo comes with compact design, making it suitable for bolting and drilling works on narrow drifts and tunnels. Due to the small footprint, the drilling equipment is allowed to work with other rock machinery at the same drifts or tunnels without affecting their operations. It is only Featuring a height of 2030 mm, this jumbo drills can easily travel through most mines.
Advantages at A Glance- Driven by a 45 kW explosion-proof motor, the hydraulic bolting jumbo adopts load-sensing hydraulic system integrated with Danfoss piston pump (130ml/r) and directional control valve.
- Level/oil temperature protection provides long service life for drilling accessories.
| General | Boom | — | 2 pcs | |
| Applicable cross section | m2 | 5 m2 | ||
| Coverage area（WxH） | mm | 1810x2770 mm | ||
| Min. turning radius | mm | 3000 mm | ||
| Working width | mm | 800 mm | ||
| Overall dimensions (LxWxH) | mm | 3020x800x1980（±50）mm | ||
| Hole diameter | mm | ⌀48 mm | ||
| Hole depth | m | 15 m | ||
| Flushing water pressure | MPa | 0.3-0.8 MPa | ||
| Rod type | mm | B35 | ||
| Overall weight | kg | 3800 kg | ||
| Ground pressure | MPa | 0.08 MPa | ||
| Ground clearance | mm | 200 | ||
| Working voltage | V | 660/1140 V | ||
| Working current | A | 49.2/28.5 A | ||
| Start current | A | 290/170 A | ||
| Installed power | kW | 45 kW | ||
| Slewing unit | Type | — | HYG-220/360S | |
| Rated working pressure | MPa | 16 MPa | ||
| Rated flow | L/min | 50 L/min | ||
| Rated rotation torque | N·m | 220 N·m | ||
| Rated speed | r/min | 360 r/min | ||
| Feed | Working pressure | MPa | 8 MPa | |
| Flow | L/min | 15 L/min | ||
| Feed length | mm | 1010 mm | ||
| Total length | mm | 1856 mm | ||
| Feed force | kN | 6 kN | ||
| Feed speed | m/min | 10 m/min | ||
| Return speed at no load | m/min | 20 m/min | ||
| Boom | Working pressure | MPa | 8 | |
| Flow | L/min | 15 L/min | ||
| Retractable length | mm | 555 mm | ||
| Feed extension | mm | 755 mm | ||
| Feed force (compensation) | kN | 7 kN | ||
| Tilt/lift angle of feed | （°） | ±5° | ||
| Swing angle of feed | （°） | -18°～30° | ||
| Traveling mechanism | Working pressure | MPa | 21 MPa | |
| Flow | L/min | 20 L/min | ||
| Travel speed | m/min | 28 m/min | ||
| Gradeability | （°） | 10° | ||
| Shoe width | mm | 200 mm | ||
| Hydraulic pump station | Rated working pressure | MPa | 22 MPa | |
| Rated flow | L/min | 130 L/min | ||
| Motor | Rated current | A | 49.2/28.5 A | |
| Rated power | kW | 45 kW | ||
| Rated voltage | V | 660/1140 V | ||
| Rated speed | r/min | 1468 r/min | ||
| Oil pump | Rated pressure | MPa | 22 MPa | |
| Displacement | ml/r | 90 ml/r | ||
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