KLR Make CDR 1500, Core Cum DTH Drilling Rig TECHNICAL SPECIFICATIONS Description KLR make, Model CDR 1500, Diamond core drill rig, Top drive all hydraulically operated Core drilling Rig.

Note: Under favorable Drilling conditions.

DTH Drilling

Drill Hole Diameter 165 mm 6.5 inches Max Drilling Depth 450 mtrs 1485 feet Max Drill Pipe Diameter 114.3 mm 4.5 inches Max Drill Pipe Wall Thickness 7.5 mm 0.29 inches Max Drill Pipe Length 6.0 mtrs 20 feet

Note: Under favorable Drilling conditions.

Power Unit
The entire rig Hydraulic system shall be powdered by the heavy duty deck engine with suitable PTO arrangement, engine power 260.0 HP @ 2200 RPM of reputed make.

Mast
Sturdy structural tubular type mast of electrically welded construction, main members are made out of heavy duty structural steel tubes. The mast shall be provided with a provision for drilling at a angle of 45 deg.

Mast length 12,000 mm 472.0 inches Rotary Head Travel 7,000 mm 275.0 inches Centraliser Opening 254 mm 10 inches Raising & Lowering With Hydraulic Cylinder

Top Head Rotary Drive
Heavy duty Hydraulic driven top drive rotation head unit with dual speed motor and gear box arrangement having infinitely variable speed from (0-1200rpm). The rotation head gear box is also provided with slide out or swing out arrangement.

Rotary Head Output Speeds & Torques

Speeds Torques 1200 rpm 85 kg m 780 rpm 150 kg m 225 rpm 390 kg m 140 rpm 700 kg m

Feed System
Feed system is provided with adequate rotary head travel up to 7.0 mtrs. long. The feed and hoist are actuated by a suitable Hydraulic Cylinder with wire rope and pulley arrangement. The feed system has the following capabilities.

Feed Cylinder Ø 140 x Ø 100 x 2350 Pull Up 22,000 Kgf 48,488 lbf Pull Down 11,000 Kgf 24,244 lbf Pull Up Speed 36 mtrs/min 118 Ft/min Pull Down Speed 60 mtrs/min 2 Reeving ratio 3

Hydraulic System
The Hydraulic system is designed for fuel efficient and high productive capacity. Variable displacement axial piston pump with proportional valves.

Max Operating Pressure (open loop) 210 Kg/cm2 Max Operating Pressure(Closed Loop) 300 kg/cm2 (Rotation and main hoist are in closed loop) Hydraulic Tank Capacity 750 Lt Hydraulic Oil Cooler 120 gpm (Fin Type Oil to Air)

Mud Pump (Recommended size for Rotary Drilling)
High pressure, Triplex single acting pump of

Capacity 120.0 LPM Delivery pressure 70.0 bar

Stabilizers
System consists of four Hydraulic Levelling Jacks (Box type) with 'Reverse flow restricted valves' to ensure safe operation.

No. of Jacks Four (02 each mounted in front and rear) Cylinder Size Ø 125 x Ø 70 x 800 Type Hydraulic

Wire Line Winch Assembly
Hydraulic operated winch assembly for handling core catcher:

Line Pull (Bare Drum) 1500 Kgf 3306 lbf Max. Line speed (Bare Drum) 100 mtrs/min Wire diameter 6 mm Drive Hydraulic motor

Main Hoist Assembly
Hydraulic operated winch assembly for handling casing and drill pipes

Line Pull (Bare Drum) 1500 Kgf 33060 lbf Max. Line speed (Bare Drum) 40 mtrs/min Wire diameter 22 mm

In view of continuous R&D and Product Improvement program all specifications, features etc., are subject to amendments without prior notice KLR Drilling Rigs can be supplied in custom built models in various Configurations, Mounting features to suit all special requirements and Technical specifications can be offered accordingly