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75U Underground Core Drilling Rig

Categories Underground Drill Rig
Model Number: 75U
Motor Power/Speed: 37KW ,1480RPM
Place of Origin: CHINA
Spindle speed rpm: 360-1200r/mim
Payment Terms: L/C,T/T
Certification: ISO9001
Overall Dimension(L×W×H): 2700*1020*1540mm
Brand Name: SINOCOREDRILL
Drilling Depth: NQ (OD 70.3mm ,ID 60 mm) 300m,350m,150m
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  • Product Details
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75U Underground Core Drilling Rig

Key Features
  • Easy maintenance, repair, disassembly, installation, and movement
  • Power unit mounted on frame for easy mobility with separation capability during operation
  • High-power electric motor with dual hydraulic pumps (primary for rotation, auxiliary for feed oil cylinder)
  • Complete hydraulic system including hydraulic box, filter, handle pump, oil condenser, and electric control box
  • Fast drilling speed with 0°~360° drilling capability in work tunnels
  • Modular main body design with feed frame, rotation unit, rod holder, column, and cylinder
  • Simple control operation with auto-feeding capability
  • Synchronized chuck and rod holder operations
  • Tool-free rod loading and fixing
  • Instrument displays for feed pressure, system pressure, and flushing water pressure
Technical Specifications
ParameterValue
Spindle speed360-1200 rpm
Spindle torque1200 Nm
Axial thrust≥50 KN
Axial tensile force≥120 KN
Hydraulic system working pressure20 MPa
Maximum pressure28 MPa
Maximum pressure of main pump31.5 MPa
Maximum pressure of auxiliary pump21 MPa
Power head stroke1100 mm
Dip angle of surface borehole0-90°
Dip angle of borehole0-360°
Azimuth angle0-360°
Motor power37 Kw
Electric revolution1480 rpm
Main machine dimensions2350 × 1050 × 1550 mm
Main machine weight1250 Kg
Power unit dimensions1500 × 850 × 1050 mm
Power unit weight720 Kg
Control panel dimensions700 × 400 × 1100 mm
Control panel weight200 Kg
Drilling Capacity by Model
Model75-3A95-2A95-3A95-4A
HDUHDUHDUHDU
AQ (48)500600280---------
BQ (59)4004802205005503006007003508501100450
NQ (75)300350150400450250500600300700800400
HQ (95)---300350200350400250450550330

Note: H = Horizontal, D = Downward, U = Upward (values in meters)

Applications

Hydraulic underground core drilling rig is suitable for drilling holes for mine exploration purposes. It can also be used in surface coring, railway engineering, tunneling, construction, and water conservancy projects.

75U Underground Core Drilling Rig in operational environment
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