Type:QJ15
Instruction:
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,prospecting and mining ,highway traffic and defence project facility.It is also suitable for drilling and blasting under various of rocks.When it is used to hand hold,it can blast blasthole downward .When it is matched with Model FT80 air leg,It can drill,dril bit and other drill tools,drill bit diameter is 32-38mm,blast hole depth is ¡Ü4m.
Specification:
Weight:15kg
Length:550mm
Cylinder dia:58mm
Piston stroke:45mm
Air pipe inner dia:19mm
Water pipe inner dia:8mm
Shank dimensions(hex¡Álength):22¡Á108¡À1mm
Air pressure:0.35-0.55***
Water pressure:0.2***-minimal air pressure
I***ct frequency(at 0.4***):1900/min
I***ct energy(at 0.4***):22n.m
Torque (at 0.4***):900n.cm
Air consumption (at 0.4***):1.3m3/min
Du***roof:centre water-injection
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