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HFHA7 Crawler DTH Drilling rig
Drilling Diameter:89-140mm
Drilling Depth:30-40m
Engine Power:73.5kw
Rotary Torque:3200N.m
Made by ATLAS COPCO Joint venture subsidiary, HFHA7 hydraulic down-hole drilling rig is a multi-functional drill rig driven by internal combustion engine, the drilling power was provided by hydraulic system except for impacting and the hole cleaning wind. HFHA7 hydraulic crawler drilling rig is widely used for blast-hole drilling in the mines and quarries. It is also used for anchor in road, railway, power station, civil engineering and building etc.
Technical parameters
Model No | HFHA7 | Engine | |
Rock Hardness | F=6-20 | Brand | Yu Chai |
Hole Diameter | 89-140mm | Model No | 4D100-T310 |
Hole Depth | 30-40m | Power | 73.5kw |
Drill Rod | 76*3000mm, 89*3000mm | Speed | 2200rpm/min |
Rotary Head | Boom motion range | ||
Rotation Speed | 0-70rpm | Guide Max.pitch angle | 145degree |
Rotary Torque | 3200N.m | Guide Max.Swing angle | lift 20 degree,right 91degree |
Work Pressure | 1-2.4Mpa | Boom Max.Pitching angle | up 50 degree,down 20degree |
Air Consumption | 14-35m3/min | Boom Max.Swing angle | left 45degree,right 45degree |
Working System | Feed System | ||
Max.speed | 3.5km/h | Drilling Guide Length | 6702mm |
Low.Speed | 2.2km/h | Feed Method | Cylinder&Chain |
Grade ability | 30degree | Feed Stroke | 4000mm |
Crawler Flotating Angle | +-10degree | Guide Compensation | 1200mm |
Ground Clearance | 360mm | Max.Feed force | 12Kn |
Dust Collector | Max.lifting force | 20kn | |
Filter Area | 16m2 | Dimension&weight | |
Filter Quantity | 16pcs | Dimension(L*W*H) | 7372*2260*2800mm |
Pressure | 7Bar | Weight | 7600kg |

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 drilling rig, core drilling rig, engineering drilling rig, DTH Drilling Equipment, horizontal directional drilling 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.
Новинки товаров от производителей по оптовым ценам
