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- Contact Person : Mr. Dong Detian
- Company Name : Henan Tianrong Machinery Import & Export Trading Company Ltd.
- Tel : 0086-371-63638785
- Fax : 0086-371-63638785
- Address : Henan,Zhengzhou,No.62 North ring road, Zhengzhou city, Henan province, CHina
- Country/Region : China
- Zip : 450006
rock drill
Detailed Product Description
Dear Customer,
We have different kinds of Rock drills, such as the pueumatic rock drill system,YT28,YN29, electric rock drill systems as the KHYD75DIA, KHYD125Dia and others, combustion rock drill systems YN27, YN27C, YN30F and others, the diesel rock drill system YNC75, down-hole rock drill system, and the crawler hydraulic rock drill rig systems. We supply your best quality and best service.
Following is type of Combustion Rock Drill YN 27C (YN27T) has functions of drilling holes, cleavage, bruising, tamping and chiseling. It is widely used in mine, road construction, national defense works, etc.
Technical specifications
Weight of main machine | 27 kg |
Type of carburetor | Hand needle valve, no floating type |
Displacement of engine piston | 185 cm3 |
Rotating speed of engine | ≥2450 r/min |
Rotating speed of drill rod | ≥200 r/min |
End of drill rod dimensions | Hexagonal 22x108 mm |
Max drilling depth | 6 m |
Tank capacity | 1.14 L |
Drilling speed | ≥250mm/min |
Mixture ratio of gasoline and lubricating oil (in volumes) | 12:1 |
Clearance of spark plug | 0.5--0.7 mm |
