YN27 Rock Drill - Shengdu Pneumetic Breaker Tools Co.,Ltd

Advantages:

YN27 handhold internal-combustion rockdrill is a hand-rockdrilling tool which integrates the small gasoline-engine,compressor and rockdrill.
It can blow off the rock powder in the blasthole by the compressing air generatedfrom itself.
Just27kg weight for the main engine . Easy to carry about.Applicable for the areas of high mountains and ofwithout power and wind pressure equipment,especially for those temporary projects with frequent movement.

Applications:
1. Applicable for rock drilling and breaking.Widely used in the earth and stone work of national defense,mining,road-construction,city construction and quarrying,etc.

2. Wide applicability. Regardless of the high mountains,flat grounds,the extremely hot area with the temperature of + 40ï¿½ï¿½and bitter cold area of -40ï¿½ï¿½it can work in good condition.

Technical specifications
Weight of the main engine	27kg
Type of carburetor	Non carburetor float
Ignition system	Contactless
Exhaustion	185cm³
Rotating speed of engine with load (measured in five holes drilling)	≥2450r/min
Idling rotating speed of drill rods	≥250r/min
End of tool shank hex	22*108mm
Shock energy	≥25J
Max. elevation angle of drilling	45°
Max. drilling depth	≥6m
Tank volume	≥1.1L
Oil consumption(in five holes drilling)	≤0.12L/m
lubrication	Automaticly lubricated with gasolineand engine oil
Mixing proportion of gas and lubrication(by capacity)	12:1
spark plug electrode gap	0.5-0.6mm