The Internal Combustion Rock Drill Type YN27 is a very efficient machine with the characters of the structure is very compact, less of the- easy-to-damage-parts, and very easy to control. It can adapt to these outside situations there is no water and electronic power. It is a kind hand held drill built up with gasoline engine, air pump, rock drill and the rotation plumbum equipment for running or stop. It can be used as a tool for breaking, percussive drilling, tamping besides rock drilling.
Technical specifications
Weight of main machine
27kg
Overall dimensions(L*W*H)
746*315*229mm
Type of engine
Single cylinder, air cooled two strokes
Cylinder diameter*stroke of piston
Φ58*70mm
Rotation speed of engine
≥2450rpm
Displacement of engine piston
185cm³
Type of carburetor
hand needle valve, floatless type
Ignition system
controllable silicon, contactless system
Drilling speed (mean value of five holes)
≥250mm/min
Drilling hole diameter
Φ28-42mm
Max drilling depth
6m
Fuel consumption
≤0.12L/m
Tank capacity
≥1.5liter
Mixture ratio of gasoline and lubrication oil (in volumes)
