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HFJ18 Hydraulic Tunneling Jumbo Drilling Rig
- Drilling Diameter: 41-89mm
- Drilling Depth: 3.44m
- Engine Power: 73.6kW
- Rotary Torque: 752N.m
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Hanfa HFJ18 drilling jumbo for narrow & low mining and tunneling. Directly controlled hydraulic system & 4-wheel driven articulated steering for rough road condition & fast approaching & withdrawing from working face. High efficiency drifter for shortening working time & lowering down energy consumption.HFG-18J, the best choice for narrow vein & tunnel conditions.
Max. working coverage：30㎡
Technical Features
1. Drifter
HF104M drifter with Dual buffering for longer service life of drill tools.
2. Multiple coordinate boom
Double triangle floating support boom for accurate hydraulic parallel holding of the boom in all directions.
3. Feed
(1) Heavy duty aluminum alloy feed beam with high bending and torsion resistance for long service life.
(2) The beam surface covered by stainless steel wrapper and lined by synthetic wear resistant pads between moving parts for longer service life.
4. Control system
(1) Automatic hydraulic drifter control system with auto collaring, percussion auto stop if lack of lubrication and water, auto controlled feeding by rotation pressure and auto controlled percussion by feed pressure, and auto anti-jamming.
(2) Dual speed tramming, auto slowing down and torque output increase to prevent engine from stopping if overloaded while climbing.
5. Chassis
(1) Strong articulated and heavy duty chassis with four-wheel drive.
(2) Driven by 4-cylinder diesel engine.
(3) Four hydraulic jacks for stable positioning.
(4) Dual circuit pedal brake system with emergency stop control for safe braking when one side oil pipe or even both damaged.
6. Other configuration
(1) FOPS and ROPS height adjustable safety canopy.
(2) Cable reel
(3) Electric driven piston compressor
(4) Electric driven water booster bump
(5) Working lights
Modular design, be convenient for going down the well by machine dismantle
1. Dimensions
2. Turning Radius
3. Work Coverage
Technical Data
| Model Specifications | HFJ18 | |
| Hole range ( mm ) | 41 - 89 | |
| Hole depth ( mm ) | 3,440 | |
| Rod size ( mm ) | ( R32, R38, T38 ) 3,700 | |
| Drifter | Model | HF104M |
| Impacting power ( Kw ) | 20 | |
| Max. torque ( N.m ) | 752 | |
| Impacting frequency ( Hz ) | 60 | |
| Hydraulic system pressure ( bar ) | 200 | |
| Rotation speed ( rpm ) | 0 - 388 | |
| Weight ( Kg ) | 170 | |
| Air compressor | Type | Reciprocate piston compressor |
| Pressure ( bar ) | 8 | |
| F.A.D ( m3 / min ) | 0.36 | |
| Diesel engine | Model | Yuchai YC4DK100-T301 Stage IIIA |
| Power ( Kw ) | 73.6 | |
| RPM ( r / min ) | 2,400 rpm | |
| Electric motor | Maker | Jiangtian |
| Power ( Kw ) | 55 | |
| RPM ( r / min ) | 1,475 | |
| Frequency ( Hz ) | 50 | |
| Voltage ( V ) | 380 | |
| Feed | Model | 3,700 |
| Total length ( mm ) | 5,400 | |
| Feed travel ( mm ) | 3,440 | |
| Extension length ( mm ) | 1,600 | |
| Max. feed force ( KN ) | 15 | |
| Tramming | Type | Hydraulic driven Four wheel driven |
| Tramming speed ( km / h ) | 11.5 / 5.6 | |
| Max. traction force ( KN ) | 42 | |
| Gradient ( ° ) | 20 | |
| Chassis floating angle (°) | ±15 | |
| Tire | 8.25R15 | |
| Tramming brake | Hydro-static brake & dual loops, 4-wheel brake | |
| Emergency stop & parking brake | SAHR | |
| Ground clearance ( mm ) | 300 | |
| Boom | Type | Multiple coordinates |
| Nos. of booms | 1 | |
| Parallel mechanism | Complete | |
| Boom extension length ( mm ) | 1,200 | |
| Boom left / right swing angle ( ° ) | ±35 | |
| Boom lifting angle ( ° ) | + 68 / - 40 | |
| Feed tilt angle ( ° ) | + 3 / - 90º | |
| Feed turning angle ( ° ) | 360 ( screw type ) | |
| Chassis | Type | Articulated |
| Articulated angel ( ° ) | ± 40 | |
| Hydraulic support legs | 4个ea | |
| Cab | Rotating driver seat | |
| Turning system | Hydro-static power steering system | |
| leveling meter | yes | |
| Horn | yes | |
| Start warning | yes | |
| Reverse warning | yes | |
| Approach / departure angle ( ° ) | 17 / 15 | |
| Drifter lubrication warning | yes | |
| Fuel tank capacity（L） | 60 | |
| Hydraulic system | Form | Variable |
| System pressure（ bar ） | 240 | |
| Hydraulic tank capacity（ L ） | 180 | |
| Pump set unloading start | Automatic | |
| Oil temp. indicator | Yes | |
| Low oil level alarm display | Yes | |
| Functions | Directly controlled drilling system, with auto collaring, feed pressure control impacting ( FPCI ), and auto anti-jamming functions | |
| Electric system | Start up mode | Star – delta unloading start |
| Voltage（V） | 380 / 660 / 1,000 | |
| Control voltage ( V ) | 24 | |
| Lighting lamp | 8 x 70 W, 24 V | |
| Cable reel capacity ( m ) | 70 | |
| Impacting timer | Yes | |
| Digital voltammeter | Yes | |
| Phase order indicator warning | Yes | |
| Residual current device | Yes | |
| Thermal overload protector of electric motor | Yes | |
| Water system | Booster pump | Centrifugal |
| Power ( Kw ) | 1.5 | |
| F.A.D ( m3 / h ) | 2 | |
| Pressure ( bar ) | 12 | |
| Min. water inlet pressure ( bar ) | 2 | |
| Cooling system type | Water cooled | |
| Machine weight ( kg ) | ≤ 11,000 | |
| Dimension ( L xW xH ) mm | 11,890 x 1,450 x 1,400 / 2,100 mm | |
| Tramming turning radius ( mm ) | Inner R 2,800，Outer R 4,900 | |
| Working face dimensions W x H ( m ) | 6 x 5.7 | |
| Max. working area ( m2 ) | 31 | |
| Optional | Short / long feed beam | |
| Exhaust purification device | ||
| Electric hydraulic oil filling pump | ||
| Cummins engine | ||
| RHS | ||
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