Overview

      The device is mainly used for the drilling, coring of the core of large outcrops, with automatic lifting system, large drilling system, hydraulic locking mechanism, rotating water injection system, center centering system, the displacement visually control system.

Main technical parameters

1,coring diameter:φ25mm,φ38mm,φ50mm,φ100mm;

2,drilling hole diameter:φ45mm,φ70mm,φ150mm;

3,the drilled coring length: 700 mm;

4,borehole depth:1000mm;

5,overall height:3mm;

6,drilling speed: 100 to 200 RPM (adjustable);

7,drilling verticality deviation: no more than 0.3 to 0.5 mm / 100 mm;

8,working voltage:AC380V，50Hz;