JUN Engineering Co., Ltd.Contact us
JUN Engineering Co., Ltd.
[Korea]
RCD(Reverse Circulation Drilling) Machine
R.C.D Machine is large bored equipment of soil foundation works for bridges, buildings and subways and used for the vertical excavation work by means of the installed power swivel with rotary bits on body based on hydraulic system.
It brings the rapid enhancement of work efficiency according to speedy excavation capability without noise and vibration and is not influenced by the nature of soil. Vertical work capability is over 50M deep-hole drilling and almost not influenced by any working environments.
Specification
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Drilling Dia.
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1.5~3.0m
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Swivel Torque
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241~341kN-m
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max. Drilling Speed
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32.7~34.3rpm
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Cont. Drilling Speed
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6.5~6.9rpm
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Pull Down Force (Pull up)
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129~201ton
|
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Pull Down Force (Thrust)
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88~122ton
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Mast Tilt Angle
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22~32°
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Platform Tilt Angle
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16°
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Required the Air Supply
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7~25m3/min
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Weight
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59.3~81.8ton
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(Drill String-50M)
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*RCD machine is essential for the drilling.
This equipment is used for drilling a borehole through soft and hard rack layers .
- Apply to bridge, pile constuction.
Option
1. Power Pack
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Engine Power
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260~850HP
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|
Weight
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7~20ton
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- Manufacturing to use in foundation construction equipment (R.C.D M/C, Casing Oscillator, Hydraulic Hang Grab etc.) is possible.
- According to reducing noise to the minimum by efficient soundproof, working in a down is possible.
- Reducing fuel consumption rate to the minimum by minimum
2. Drill Bit
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Casing Dia.
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1.0~3.0M
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Drill Bit Dia.
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0.85~2.75M
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Body Length
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1500~2500mm
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Suction Pipe
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NW200~300
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Roller Cutter Size
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8~12inch
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Roller Cutter No.
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6~21EA
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Weight
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1.5~12.5ton
|
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Cutter Type
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Tooth/Button/Disc
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Assembly with
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Drum Stabilizer
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Heavy Duty Stabilizer
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Heavy Duty Space Pipe
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| *The above may change during further development | |
Schematic Diagram
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1. Mast Boom
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10. Drill Pipe
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2. Working Platform
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11. Drill Pipe Connector
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3. Adapter
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12. Space Pipe
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4. Casing Clamp
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13. Double Stabilizer
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5. Slide Box
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14. Drum Stabilizer
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6. Gear Box(Power Swivel)
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15. Bit Body
|
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7. Operation Line
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16. Bits
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8. Suction Line
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17. JID Crane
|
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9. Single Sttabilizer
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