1. 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.
2. 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.
3. It can be used for breaking, drilling, blasting, tamping splitting and ramming.
Advantages of hand-held rock drill:
a: Reasonable design
b: Convinient operation
c: Fast drilling velocity
f: Long service life of parts
g: Parts highly interchangeable and reliable performance etc
h: Both hand held and with airleg available.
|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||28-42mm|
|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|