China Small Portable Borehole Mining Hydraulic Hard Rock Drilling Machine, Find details about China DTH Drilling Rig, Down The Hole Drilling Rig from Small Portable Borehole Mining Hydraulic Hard Rock Drilling Machine
model | LD165 |
bore diameter (mm) | 90-150 |
bore depth (m) | >50 |
rock hardness | f=6-20 |
drill rod (mm) | 76*1500 |
pressure (mpa) | 0.7-1.4 |
air consumption (m³ /min) | >12 |
rotating speed (r/min) | 0-60rpm |
max. lifting force (N) | 12000 |
Motor power(kw) | 11 |