Complaint
HFU-3A hydraulic underground drill rig is mainly applied in the fields of coal, geology, metallurgy and engineering. It is used for drilling large-diameter gas suction hole in mines, gallery as well as coal mine, water injection hole, and large-diameter horizontal hole. It can meet the large-diameter roller drilling, hard tungsten-carbide drilling and percussive-rotary drilling.
| Drilling depth | Φ55mm drilling rod | 350m | Drill rod spec | Φ55×1500mm | |
| Φ71×1500mm | |||||
| Φ71mm drilling rod | 200m | ||||
| The range of spindle rotating speed | 425-1280 rpm | The max.rotating torque of spindle | 895N.m | ||
| The working pressure | 25MPa | Spindle stroke | 1600mm | ||
| The max. lifting force of drill head | 62KN | The max.feeding force of drill head | 33KN | ||
| The sliding stoke of mast | 495 mm | The swing angle of mast bracket (left&right) | 90° | ||
| The swing angle of arm(up and down) | 100° | Power unit | YB225M-4(dIICT4) | ||
| Explosion-proof electric motor | 45KW/1480 rpm | ||||
| Dimensions | Main machine(L*W*H) | 2950*950*1850 mm | weight | Main machine | 1000kg |
| Power unit | 1050kg | ||||
| Power unit(L*W*H) | 1900*980*1320 mm | ||||
| Operation cabinet | 140kg | ||||
| Operation cabinet(L*W*H) | 540*360*1080 mm | ||||
1. Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.
2. Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.
3. How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.
4. Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.
5. What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.
6. How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.
