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HFJ19 Hydraulic Tunneling Jumbo Drilling Rig
Drilling Diameter: 45-89 mm
Drilling Depth: 3.05m
Engine Power:75kW
Rotary Torque: 670/752 N.m
HFJ19 jumbo is specifically designed for small tunnel drilling - horizontal blasting holes drilling, bolt drilling and other applications. The power of the hydraulic high frequency drifter HF103 up to 15 kw. The dual buffering mechanism for effective absorption of recoil energy for long service of drill tools and auto parallel positioning function ensuring parallelism between holes. HANFA19 jumbo is an upgrade and best choice for replacement of manual drilling.
Technical parameter
HFJ19 Technical Specifications | |||
Hole range | 45-89 mm | Rod size | 2500 mm/3050 mm/3700 mm |
Drilling depth | 2240 mm/2790 mm/3440 mm | Maximum working area | 25 m² |
Drifter | |||
Model | HF103 | Hydraulic System Pressure | 210 bar |
Percussion Power | 15/18 kw | Rotation Speed | 0-388 rpm |
Maximum Torque | 670/752 N.m | Weight | 160/170 kg |
Percussion Frequency | 60 Hz | For rock | F8--16 |
Twin screw air compressor | |||
Pressure | 7 bar | Capacity F.A.D | 0.3 m³/min |
Electric Motor | |||
Model | Y2-225M-4 | FRPM | 1475 r/min |
Power | 45 kw | Votage | 380 V |
Diesel Engine | |||
Model | QSB3.9-C100.31 | RPM | 2200 r/min |
Power | 75 kw/(at 2200rpm) |
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Size | |||
L*W*H | 9713*1240*2690mm | For tunnel | 2.4*2.4mm min |
Turning Radius | 2,538/4,400 mm |
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Weight | |||
Total | 9800kg | ||
Technical features
Thruster
ü The heavy-duty aluminum alloy propelling beam has high bending and torsion resistance and long service life.
ü The surface of the propelling beam is covered with stainless steel skin, and the moving parts adopt PTFE wear-resistant liners to improve the service life.
Control System
ü The hydraulic rock drilling control system can automatically adjust the impact and propulsion pressure according to the change of the rotation pressure and the propulsion pressure to adapt to the change of the rock formation. The automatic return function and automatic anti-jamming function of drilling.
ü The electrical system adopts CAN communication connection technology, modularized sub-regional layout design, simplified wiring and improved reliability.
ü Unique slag flushing function at the bottom of the hole, clean drilling and convenient charging.
Drill boom
ü The double-triangular suspension support boom can ensure accurate hydraulic parallel holding function in all directions.
ü The heavy-duty telescopic boom adopts a box-shaped structure with the most dispersed stresses such as bending, shear and torsion, with a load-bearing capacity of more than 1.5 tons.
Chassis
ü Floating crawler chassis, high strength, adapt to various ground conditions
ü Cummins engine, China III emission
Jiaozuo Hanfa Industrial Co., Ltd. belongs to Hanfa Group. Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research, manufacture and market. It has experienced engineers, professional R&D team, special after service team, world class sophisticated Machine and advanced technology guarantee the best quality drilling Machine and best service to its customers.
We pursue high standard manufacturing and qualified products. It has more than 20 species such as water well Down The Hole Drill Rig, core Down The Hole Drill Rig, engineering Down The Hole Drill Rig, DTH Down The Hole Drill Rig, horizontal directional Down The Hole Drill Rig, etc. These machines are mainly used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well, geothermal well etc.

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Jiaozuo Hanfa Industrial Co., Ltd
Kindly inform us the following information:
1. Application
2. Drilling object(rock/soil/sand, etc)
3. Drilling diameter
4. Drilling depth
Then we could recommend the suitable model with favorable price.
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