Yn27a Internal Combustion Rock Drill

Advantages:

YN27 hand hold internal-combustion rock drill is a hand-rock drilling tool which integrates the small gasoline-engine,compressor and rock drill. 

It can blow off the rock powder in the blasthole by the compressing air generatedfrom itself. 

Just 27kg weight for the main engine . Easy to carry about.Applicable for the areas of high mountains and of without power and wind pressure equipment,especially for those temporary projects with frequent movement. 

Applications:

1. Applicable for rock drilling.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 

1.Weight of the main machine: 27kg 

2.Overall dimension: 746×315× 229mm 

3.Type of engine:single cylinder,air cooled two strokes 

4.Cylinder Diameter×Stroke of piston:5 8 × 70mm 

5. Rotating speed of engine: ≥2450r/min 

6.Displacement of engine plston: 185cm³

7.Type of carburetor: hand needle valve,no floating type 

8.Ignition system: Controllable silicon contactless system 

9. Drilling speed:(mean value of five holes) ≥ 250mm /min 

10. Max. drilling depth: ≥ 6m 

11.Fuel consumption: 0.12 L/m 

12.Tank capacity:≥ 1.14L 

13. Mixing ratio of gasoline and lubrication oil (in volumes):8:1 

14. End of drill rod dimensions: hexagonal2 2 × 108mm 

15. Rotating speed of drill rod:≥200r/min 

16. Clearance of Spark plug :  1.5mm

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