OEM No/Model: YN27
chinacoal11
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*YN27C Rock Drill is a very efficient machine,composed of gasoline engine,
Air pump, rock drill. It adapts to these outside situations without water and
electronic power. Meanwhile it is a hand- held drill, during operation,rock
power is blown away by the compressed air produced by the machine
itself. .Its suited to work on high mountains, plains, hot and cold area with
no power and no water supply and air compressing equipment, and
especially suits the projects that the machine has to be carried at any time and
in any area.
Main Characteristics
1. Easy to operate, just turn the handle to make it work.
2.Time and labor saving, drilling fast and high efficiency.
3. First-class level drilling tools, suitable for site without power or pressure equipment,
it has wide adaptability for high mountain
and plain, extreme temperature (40 to -40).
4.Used to drill vertical downward hole(max depth 6) and and <45° upward hole.
5.Light drilling tools, only 27kg, easy to carry.
Technical Parameters
Weight of main machine |
27kg |
Overall dimensions(L*W*H) | 746*315*229mm |
Cylinder diameter*stroke of piston | 58*70mm |
Rotation speed of engine | 2450rpm |
Displacement of engine piston | 185cm³ |
Type of carburetor | hand needle valve, float-less type |
Ignition system | controllable silicon, contact-less system |
Drilling speed (mean value of five holes) | 250mm/min |
Drilling hole diameter | 28-42mm |
Max drilling depth | 6m |
Fuel consumption | 0.12L/m |
Tank capacity | 1.5liter |
Drill rod and breaker shank | Hex22*108mm |
Rotating speed of drill rod | 200rounds/min |
Clearance of spark plug | 0.5-0.7mm |
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