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YN27 Inter Combustion Rock Drill

YN27 Inter Combustion Rock Drill is a very efficient rock drilling machine, composed of gasoline engine, air pump, rock drill. YN27 Inter Combustion Rock Drill adapts to these outside situations with

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Introduction of YN27 Inter Combustion Rock Drill

YN27 Inter Combustion Rock Drill is a very efficient rock drilling machine, composed of gasoline engine, air pump, rock drill.

YN27 Inter Combustion Rock Drill 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.

Parameter of YN27 Inter Combustion Rock Drill

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, float-less type

Ignition system

controllable silicon, contact-less 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

Pictures of YN27 Inter Combustion Rock Drill

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