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YN27/YN27C INTERNAL COMBUSTION ROCKDRILL

Product introduction:

YN27 which composed of gasoline engine, air compressor and rock drill is a very efficient machine. It is suitable for rock drilling, crushing, tamping, etc., widely used in national defense engineering, mining, road construction, urban construction, quarrying project and etc., can adapt to these outside situations such as high mountains, plains, hot and cold areas without water and electronic power, especially suit the projects during which the machine has to be carried at any time and everywhere.

YN27C is a new model improved by YN27, its outstanding 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℃).
4. Used to drill vertical downward hole (max depth 6m) and <45° upward hole.
5. Light Drilling Tools, only 27kgs, easy to carry.

Technical specifications：

Weight of main machine：27kg

Overall dimensions(L*W*H)：746*315*229mm

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

Drill rod and breaker shank：Hex22*108mm

Rotating speed of drill rod：≥200rounds/min

Clearance of spark plug：0.5-0.7mm