| 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 + 40℃ and bitter cold area of -40℃,it 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 | |
YN27 handhold internal-combustion rockdrill
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