The internal combustion gasoline rock drill model YN27C is a portable rock drilling tool, combined of a small petrol engine, an air compressor and a rock drill. During operation, rock powder is blown away by the compressed air produced by the machine itself.it also can be used with supporting stand.
It is easy to be carried with its light weight,and suitable for working on high mountains, plains, hot and cold condition where there is no any of power, water supply and air compressing equipments. Especially, suits the projects that the machine has to be carried at any time and in any area.
With turning the swing arm to running-or-stop rotation plumbum,the machine can be used as a tool for breaking, percussive drilling, tamping besides rock Drilling.it is suitable to build bridge, road, powder station, geological exploration etc.
|engine||single cylinder, air cooled two strokes|
|Cylinder diameter*stroke piston||58*70mm|
|Rotating speed of engine||more than 2450r/min|
|displacement of engine||185cm^3|
|carburetor||hand needle valve, no floating type|
|Ignition system||controllable silicon contactless system|
|Drilling speed||more than 2450r/min|
|Max drilling depth||6M|
|Tank capacity||more than 1:14L|
|mixing ratio of gasoline and lubrication oil||12:01|
|end of drill rod dimensions||hexagonal 22*108mm|
|Rotating speed of drill rod||more than 200r/min|
|Clearance of spark plug||0.5-0.7mm|