Specifications

QJ 15 Hand hold Air leg Rock Drill has hand-hold and air-leg functions and characteristic of low weight, reasonable structure.

item name:QJ 15 Hand hold and Air leg Rock Drill

specification
 
Weight                                 15 kg
Length                                 550mm
Cylinder dia                           58mm
Piston stroke                          45mm
Air pipe (inner dia)                19 mm
Water pipe (inner dia)                8mm
Shank dimensions                       22*108mm
Air pressure                        0.35-0.55MPa
Water pressure                         0.2MPa- minimal air pressure
Impact frequencey (at0.4MPa)           1900/min
Impact energy (at0.4MPa)               22n.m
Torque (at0.4MPa)                      900n.cm
Air consumption (at0.4MPa)             1.3 m3/min
                    
illstruction

The rock drill has hand-hold and air-leg functions and has characteristic of low weight, reasonable structure, handy use and little air consumption. It is mainly used in small mines,small water conservancy ospecting and mining highway traffic and defence project facility. It is also suitable for drilling and blasting under various of rocks. When it is uesed to hand hold,it can blast blasthole downward. When it is matched with Model FT80 air leg ,it can drill blasthole at any direction angles. During drilling ,when it match with drill bit and other drill tools,drill bit diameter is 32-38mm,blast hole depth is 4m.