LD4 Pneumatic DTH Drilling Machine for Mining, Marble & Granite Cutting

Pneumatically operated DTH Drilling Rig capable of Drilling holes Dia 90 mm to Dia 115 mm ideally suitable for drilling lead holes for DIAMOND WIRE CUTTING of decorative MARBLE, GRANITE ROCKS etc. The Rig has been made for drilling of matching holes and ability to drill holes in both VERTICAL & HORIZONTAL positions.

A ball joint is provided at the bottom of the Mast to facilitate Precision alignment for matching holes. The Rig is provided with one spike & two Anchoring Rods & Adjusting screws to maintain perfect rigidity during drilling. The machine can be easily dismantled into four SUB-ASSEMBLIES- each weighing not more than 50 kgs- thus allowing easy portability and repositioning.

SPECIAL FEATURES

• Stable Drilling capabilities
  
• Structural designed for extra rigidity
  
• Anchoring arrangement ensures perfect stability during drilling
  
• Rotation and winch units provide additional power for faster drilling and rapid withdrawals, longer tool life etc.
  

TECHNICAL DATA

• Mode of Drilling: Down the Hole Air Hammer
  
• Hole Diameter: 90mm ~ 115mm (3½” ~ 4½”)
  
• Drill Pipe Diameter: 76mm (3”)
  
• Drill Pipe Length: 1.22mtrs. (4ft)
  
• Max. Drilling Depth (Vertical Position): 30mtrs. (100ft) under favorable drilling conditions
  
• Max. Drilling Depth (Horizontal Position): 20mtrs. (65ft) under favorable drilling conditions
  
• Height of Hole from Ground to Centre of Hole: 125mm
  
• Rotary Head (Torque): 1250Nm
  
• Speed: 0~60rpm
  
• Feed Force: 21.5kN
  
• Total Length (Feed): 2500mm
  
• Travel Length: 1300mm
  
• Mounting Structural Frame
  
• Recommended Air Compressor
  
• Working Pressure
• 7 Bar (Min) up to 14Bar (Max)

DELIVERY DETAILS

• Free Air Delivery: 300 CFM (min) up to 450 CFM (max)
  
• Transport Length: 2650 mm (8.7 ft)
  
• Transport Width: 700 mm (2.3 ft)
  
• Transport Height: 900 mm (2.9 ft)
  
• Weight approx.: 500 kg (1,102lb)

KNMBM International, a manufacturer based in India, are providing this great drilling machines.