Trolley Mounted Core Drilling Rig

CDR300 Model, trailer mounted Top Head drive hydraulically operated Trolley Mounted Core Drilling Rig is capable of drilling in any kind of medium to hard rock formation to extract mineral samples by core drilling method up to a maximum specified depth in Meters. Under favorabledrilling conditions. The following are the detailed specifications.

DEPTH CAPACITY CORING:

NQ: 300 m (960ft)
HQ: 250 m (800ft)

POWER UNIT:

Manufacturer: Mahindra
Model: 61145GM
Power: Gross 1500rpm
Engine Type: Diesel.
Cooling: Water type.


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MAST ASSEMBLY:

Sturdy structural RHS tubular structure electrically welded. Two section with foldable top section. Mast dumping arrangement provided for angle drilling. Raising and lowering is done by using two Hydraulic cylinders.

Mast overall length: 6600mm
Rotary head travel: 4370mm.
Drilling angle: 45 to 90 deg.

FEED SYSTEM:
Feed and hoist actuation using hydraulic cylinder.

Feed cylinder: A 100mm x A 63mm x 1500mm stroke.
Pull up load: 5400kgf.
Pull down load: 3100kgf.

ROTARY HEAD ASSEMBLY:
Fabricated steel body and spur gear reduction with dual speed construction. Manual gear shifter and dowty pump with forced lubrication is provided for long life.

Stage-1 Stage-2 0 a 80 kg-m 0-180 kg-m 0-1000 Rpm 0-200 RPM

The RH unit travels on Mast assembly of sturdy construction to absorb sudden shock loads encountered during drilling operation. Slide out arrangement will be provided.