Home > Products > Underground Drilling Rig > DFU-300 used hydraulic underground rock tunnel boring machine
DFU-300 used hydraulic underground rock tunnel boring machine
- 200 Set / Sets per Month
- Qingdao Port
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Product Details
Condition | New | Type | Core Drilling Rig | |
Power Type | Electric | Place of Origin | Henan, China | |
Brand Name | DEFY | Model Number | DFU-300 | |
Usage | Coal | Voltage | 220V/380V | |
Power(W) | 45kw | Dimension(L*W*H) | 2950*950*1850mm | |
Weight | 2560kg | Certification | SGS, BV | |
Warranty | 1 Year | After-sales Service Provided | Engineers available to service machinery overseas |
Product Description
DFU-300 used hydraulic underground rock tunnel boring machine
Usage:
DFU~300 used hydraulic underground rock tunnel boring machineis mainly applied in the fields of coal,
geology, metallurgy and engineering. It is used for drilling large dia. gas suction hole in mines, gallery as well as coal mine, water injection hole, and big dia. horizontal hole.
Technical Parameter:
1.Drilling depth |
|
Φ55mm(2.17inch) | 300m(984feet) |
Φ71mm(2.80inch) drill rod | 200m(656feet) |
2. Drill rod spec. | Φ55×1500mm(Φ2.17×59inch) drill rod Φ71×1500mm(Φ2.80×59inch) drill rod |
3. The range of spindle rotating speed | 425-1280rpm |
4.. The max. rotating torque of spindle | 795 N·m(586 lbf·ft) |
5. The working pressure: | 25 Mpa(3626 psi) |
6. Spindle stroke | 1600mm(63 inch) |
7. The max. Lifting force of drill head | 62KN(13938 lbf) |
8. The max. Feeding force of drill head: | 33KN(7418 lbf) |
9. The sliding stroke of mast | 495mm(19.5 inch) |
10. The swing angle of mast bracket (left & right) | 90° |
11. The swing angle of arm (up and down) | 100° |
12. Power unit | YB225M-4(dIICT4)explosion-proof electric motor 45KW(60HP)/1480rpm |
13. Dimensions | Main machine (L*W*H): 2950×950×1850mm(116×37.4×72.8 inch) |
Power unit (L*W*H): 1900×980×132mm(74.8×38.6×5.2 inch) | |
Operation cabinet (L*W*H): 540×360×1080mm(21.3×14.2×42.5 inch) |
Attracting Features:
1. It is separate in structure, small in size, light in weight,flexible in movement and convenient in operation.
2. The hydraulic pump is driven by explosion proof electric motor through operating system, then the hydraulic pump enforces hydraulic motor to make drill head rotate, and at the same time,
the movement of drill head is realized by oil cylinder & chain double speed mechanism.
3. Hydraulic chuck can satisfy the function of shackles and power-off protection.
4. The sliding and extending & retracting function of the mast makes it convenient for the bottom of mast to touches the ground or platform, thus the drill rig will be more stable.
5. The swinging arm and mast can do luffing movement, which satisfy the request of multi-angle drilling.
6. The range of spindle rotating speed is wide and the torque is large.
Working Condition:
How to buy yourself underground tunnel boring machine:
Contact Me:
Please don`t hesitate to contact us if used tunnel boring machine is fit for your business. And you are highly appreciated that if you could tell us more details of your business, then we can recommend most suitable model of drilling rig to you.
James Feng
Mobile: +86-15937157989
Email: james (at)
WhatsApp/Wechat:+86-15937157989
Skype:defy003
Web: ;
Contact Us
- Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd.
- Contact nameLisa Si Chat Now
- Phone86-371-55819257
- Address No.96 Ruida Road, High-Tech Zone, Zhengzhou City, Henan Province, China, Zhengzhou, Henan
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