PRD 300 Core

Miners preferred surface core drilling rig capable to drill 300 m of NQ size. High speed top drive rotary head can do HQ, PQ, NQ & BQ drill sizes.

Category:
APPLICATION Core Drilling
DRILLING ANGLE 45 - 90 deg
DIAMETER BQ,NQ,HQ
DEPTH HQ - 200 m BQ - 350 m NQ - 300 m
FORMATION Soft / Hard
PRIME MOVER Power for the hydraulic is taken from suitable deck engine
MAST OVERLL LENGTH 6.4 Mtr
HEAD TRAVEL 4. 5 Mtr
MAST Mast overall length – 6.4 MtrHead travel : 4. 5 Mtr
REEVING RATIO 1:2 (Chain feed system)
ROTARY HEAD MAX TORQUE Gear 1 : 0-2600 Nm Gear 2 : 0-577 Nm
ROTARY HEAD SPEED Gear 1 : 0-240 rpm Gear 2 : 0-1078 rpm
PULL UP FORCE 5000 kg (11000 lbs)
PULL DOWN FORCE 3800 kg (8360 lbs)
PULL UP SPEED 28 m/min
PULL DOWN SPEED 46 m/min
JACKS Four Lug mounted hydraulic jacks
HYDRAULIC SYSTEM Max. Operating pressure: 190 kg/cm2 (2750 psi)
FOOT CLAMP Hydraulic Operated
MAIN WINCH Capacity : 5 ton Line Speed : 45 m/min
WIRELINE WINCH Capacity :2 ton Line Speed : 125 m/min
WATER PUMP Type : Triplex piston pump Maximum flow : 35 lpm Maximum Pressure : 50 bar
MOUNTING OPTIONS The rig unit is mounted on suitable crawler
TYPE Triplex piston pump Maximum flow : 201 lpm Maximum Pressure : 1000 psi

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