Description

portable pneumatic roof bolter drill small volume, light weight, maintain, gear compressed air motor anti-explosive portable pneumatic roof bolter drill is mainly used for operation in the gateway of rock hardness less than f6 or used in half tunnel of coal bed for coal mining roof bolter operation. Main parameters working pressure Mpa 0.*0.***3 rated air pressure Mpa 0.5 rated speed r/min **0 Nominal torque ***** *5 stall torque ***** *5 free running speed r/min ≥***0 air consumption M3/min 4 rinse pressure Mpa 0.***1.2 noise dBA ≤*5 overall weight Kg *3.5