The Internal Combustion Rock Drill Type YN27C is a very efficient machine with the haracters that 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 no 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.
1. Very efficient.
2. Less of the -easy-to -damage-part.
3. Very easy to control.
4. CE approved.
5. Only 27 kg
|Weight of main machine||27kg|
|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|
|Mixture ratio of gasoline and lubrication oil (in volumes)||12:01|
|Drill rod and breaker shank||Hex22*108mm|
|Rotating speed of drill rod||≥200rounds/min|
|Clearance of spark plug||0.5-0.7mm|