3 steps percussion frequency selection
Capable of 178mm casing advancing drilling
2-speed hydraulic circuit operated by a hydraulic directional valve.
Rotation torque can get to 25000 Nm
Descriptions | Unit | Technical data | ||
Percussion mechanism | ||||
Oil pressure | bar | 180 | ||
Oil flow | l/min | 130 | ||
Frequency | bpm | 2500 | ||
Percussion energy | Nm | 800 | ||
Rotation mechanism | ||||
Oil pressure | bar | 205 | ||
Oil flow | l/min | 170 | ||
Gear | 1 | 2 | 3 | |
Rotation speed (max) | rpm | 64 | 32 | 21 |
Rotation torque(max) | Nm | 8340 | 16680 | 25000 |
Weight | Kg | 950 |

Company Information

Zhangjiagang Free Zone Yongda Machinery originally from Taiwan, has more than 40 years of manufacturing and management experience, We professionally manufacture various kinds of hydraulic rock drills, rotary heads, drifters and other advanced drilling equipment for roadway, railway, tunneling, geological surveys, foundation strengthening. mountain mining and so on.
Serve state-managed companies, construction conglomerates and well-known domestics, overseas drilling enterprise. Yonda Machinery is an advanced factory which integrated design, fabrication, sales and service.


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