YN 27C Combustion Rock Drill Type pionjar 120 rock drill
YN 27C Combustion Rock Drill Type
Combustion Rock Drill Type Combustion Rock Drill Type Combustion Rock Drill Type Combustion Rock Drill Type Combustion Rock Drill Type
The Internal Combustion Rock Drill Type YN 27C has functions of drilling hole, cleavage, bruising, tamping and chiseling. It is widely used in mine, road construction, quarrying, national defense works, etc.
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TECHNICAL SPECIFICATIONS |
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Weight of main machine |
27 kg |
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Type of carburetor |
Hand needle valve, no floating type |
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Ignition system |
Controllable silicon contactless system |
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Displacement of engine piston |
185 cm3 |
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Rotating speed of engine |
≥2450 r/min |
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Rotating speed of drill rod |
≥200 r/min |
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End of drill rod dimensions |
Hexagonal 22x108 mm |
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Max drilling depth |
6 m |
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Tank capacity |
1.14 L |
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Drilling speed |
≥250mm/min |
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Mixture ratio of gasoline and lubricating oil(in volumes) |
12:1 |
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Clearance of spark plug |
0.5~0.7 mm |
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