YN30A internal combustion rock drill, YN30A combustion rig 
 Electric rock drill hand-held rock drill air leg rock drill rock drill price of the internal combustion rock drill rock drill model professional rock drill drilling machine manufacturers 
 Production drilling machine drilling machine offer rock drilling 
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 Product Name: YN30A internal combustion gasoline rock drill characteristics YN30A type handheld internal combustion rock drill is made of a small gasoline engine, compressor, rock drill Trinity combination of hand-held drilling tool. 2, operating by itself to produce the compressed air blowing to wash the eyes of the rock powder gun. Host weight only 30KG, easy to carry, suitable for alpine, no power, no region of the pressure equipment, greater mobility of temporary works is particularly suitable. On the rocks perforated vertically downward, horizontal, up less than 45 °. Vertically down the deepest hole to a depth of 6m. Use one, this machine applies to the perforated rock, can be changed to a crusher and tamping machine to replace a few parts for a variety of broken shovel chisel, digging, splitting and tamping work. 2, whether in the mountains, plains; in the heat of the +40 ° C or -40 ° C cold areas, can work. The machine has a wide range of adaptability. ? YN30A technical specifications of host weight 28 kg outline of the size L x W x H 760x335x235 Engine type single cylinder air-cooled two-stroke gasoline engine Carburetor float-type ignition platinum contact engine displacement of 185 cm3 engine load speed (in chisel five holes were measured) 2700 3000 r / min engine idling ≤ 2200 r / min drill rod idle speed 180 r / min the impact of the end of the solder handle size drill rod hexagonal 22x108 mm ≥ 20J Drilling speed (average of the five holes) ≥ 200 mm, / min. Tree largest bore elevation angle of 45 ° deepest hole to the depth of ≥ 6 m Fuel tank capacity ≥ 1.65 L fuel consumption (measured in the cutting of the five-hole) ≤ 0.13 L the / m of gasoline and lubricating oil mixing ratio (by volume) 12:1 
 Rock drill: a jackhammer-leg rock drill motor drilling machine fuel type drilling machine 655 Type Air-leg rock drill machine YT23-type Air-leg rock drill machine YT24 rock drill machine YT25 air leg-type drilling machine: Y26 handheld drilling machine YN27C internal combustion rock drill machine YN30A internal combustion rock drill machine YT29A air leg rock drill machine YT28 rock drill machine YT28 rock drill 7665MZ series of two-stage Air-leg rock drill YL18 jackhammer Y19A type jackhammer YSP45 type up the rock drill 
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