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Reverse Circulation Drilling Rig

 Buma Ce Co. Ltd.
 

RCD machine is essential for the foundation drilling of large diameter (1000-4000mm) pile. This equipment is used for drilling a borehole through soft and hard rock layers for the construction of foundation. 

Drill string with special drill bit is used for drilling in the borehole, and the crushed cuttings are lifted out through the drill pipe rods by the means of compressed air during drilling.

 

MAX Drilling Dia. 1.5m

R1315

 

Max. Drilling Torque : 129kN.m

Rotation Speed : 0~24rpm

Thrust / Pull-up Force : 88ton / 129ton

Mast Tilting : 220

Platform Tilting : 160

Weight(Approx.) : 21ton

(Including Clamping Device Dia. 1500mm)

Drill String : NW200

Power Pack : P2612C / P3618C / P4214D

Max. Drilling Dia. 1.5m

R1815

 

Max. Drilling Torque : 180kN.m

Rotation Speed : 0~16.2rpm

Thrust / Pull-up Force : 88ton / 129ton

Mast Tilting : 220

Platform Tilting : 160

Weight(Approx.) : 27ton

(Including Clamping Device Dia. 1500mm)

Drill String : NW200

Power Pack : P2612C / P3618C / P4214D

Max. Drilling Dia. 2.0m

R1820

 

Max. Drilling Torque : 180kN.m

Rotation Speed : 0~16.2rpm

Thrust / Pull-up Force : 88ton / 129ton

Mast Tilting : 260

Platform Tilting : 200

Weight(Approx.) : 29.2ton

(Including Clamping Device Dia. 1500mm)

Drill String : NW200 / NW300

Power Pack : P2612C / P3618C / P4214D

 

 

Max. Drilling Dia. 2.5m

R3025

 

Max. Drilling Torque : 300kN.m

Rotation Speed : 0~21rpm

Thrust / Pull-up Force : 122ton / 201ton

Mast Tilting : 30°

Platform Tilting : 16°

Weight(Approx.) : 34.8ton

(Including Clamping Device Dia. 2500mm)

Drill String : NW300

Power Pack : P3618C / P5318C / P4218D

Max. Drilling Dia. 3.0m

R3030

 

Max. Drilling Torque : 300kN.m

Rotation Speed : 0~21rpm

Thrust / Pull-up Force : 122ton / 201ton

Mast Tilting : 32°

Platform Tilting : 12.5°

Weight(Approx.) : 37.2ton

(Including Clamping Device Dia. 3000mm)

Drill String : NW300

Power Pack : P3618C / P5318C / P4218D

Max. Drilling Dia. 3.3m

R3733

 

Max. Drilling Torque : 370kN.m

Rotation Speed : 0~20rpm

Thrust / Pull-up Force : 122ton / 201ton

Mast Tilting : 35°

Platform Tilting : 10.5°

Weight(Approx.) : 42.1ton

(Including Clamping Device Dia. 2500mm)

Drill String : NW300

Power Pack : P6028C