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Drilling Rigs

Mining Rigs - Blast Hole Rig

Blast Hole Rig India
Blast hole rig designed innovatively and manufactured under strict quality, control is a perfect light weight and heavy duty equipment ideal for carrying out all types of drilling operations by DTH method in mines, quaries and construction projects etc.,.

 

TECHNICAL SPECIFICATIONS
CAPACITY 4" to 4½" Dia hole up to 40 mtr ( 130 ft ) depth by DTH method
   

SALIENT FEATURES

Light weight yet rigid, value engineered construction ensuring easy portability and high drilling performance
Design for rotation winch & self propellant pneumatic piston type air motors to provide maintenance free efficient performance
Effectively braked wheels with adjustable front two stabilizers and hold the unit firmly
Centralised control panel with auto feed arrangement for easy operation

Provision for anchoring of mast and locking arrangement between mast and boom ensure perfect rigidity during drilling

Swivel of mast 25 degree either side and capable of drilling holes from 15 degree in word from vertical upto horizontal position

Rear wheels can be swivelled at 90 degree for toe hole drilling
 

Max pull down force   - 5600 kg (11000 lbs)

  Max pull down speed - 45mtr/min (45 ft/min)
HYDRAULIC SYSTEM Max. Operating pressure: 140 kg/cm2 (2000psi)
ROTARY HEAD
Rotary head is powered by a hydraulic motor
  Max torque - 660 kg-mtrs (66,000 in-lbs)
  Max. Speed - 0 to 60 rpm

TECHNICAL DATA

AIR MOTORS     4 Cylinder PISTON MOTORS directly copuled to sturdy Gr Boxes
FEATURES ROTATION WINCH          SELF PROPEL
B.H.P. 1250 pm @ 7kg/cm2 4.0 - 4.5 4.0 - 4.5 4.0 - 4.5
Gr Ratio 1:30 1:46.6  1:98.3
Gr Box WORM Spur Spur

Spur cum WORM

Speed 0 - 50 RPM  15 m/ min max Pullup 0 to 1.5 km/ hr
Pull Down / Up Force --   0.2200 / -2000 KF  
Max Torque 115 kg – mtr(10,000 in lbs )  --    

DIMENSION AND OTHER DETAILS

FEATURES DATA
Rotation Unit Traverse  2.34 mtrs 
Height Mast raised lowered 3.60 mtrs
  0.90 mtrs 
Mast lateral swivel + 25 degree
Width 1.8 mtrs 
Min HT of Drilling 0.9 mtrs
Comp Air Req  7 to 10.5 Cum3
Weight 900 kgs
 
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Blast Hole Rig