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The speed, torque, thrust axial pressure, reverse axial pressure, thrust speed and lifting speed of the drilling rig can be adjusted at any time to meet the requirements of different drilling conditions and different construction technologies.
It is convenient to take over and unload the drill pipe, shorten the auxiliary time, and is also conducive to follow-up drilling.
All kinds of drilling techniques can be used on this kind of drilling machine, such as down the hole drilling, through air reverse circulation drilling, air lift reverse circulation drilling, cutting drilling, cone drilling, pipe following drilling, etc. The drilling machine can install mud pump, foam pump and generator according to the needs of users. The rig is also equipped with a variety of hoists to meet the different needs of customers.
Due to full hydraulic drive and top drive rotary propulsion, it is suitable for all kinds of drilling technology and drilling tools, with convenient and flexible control, fast drilling speed and short auxiliary time, so it has high operation efficiency. The down the hole hammer drilling technology is the main drilling technology of the drilling rig in the rock. The down the hole hammer drilling operation efficiency is high, and the single meter drilling cost is lower.
| Item | Unit | SNR200 Specification |
|---|---|---|
| Max drilling depth | m | 240 |
| Drilling diameter | mm | 105-305 |
| Air pressure | Mpa | 1.25-3.5 |
| Air consumption | m3/min | 16-55 |
| Rod length | m | 3 |
| Rod diameter | mm | 89 |
| Main shaft pressure | T | 4 |
| Lifting force | T | 12 |
| Fast lifting speed | m/min | 18 |
| Fast forwarding speed | m/min | 30 |
| Max rotary torque | N.m | 3700 |
| Max rotary speed | r/min | 70 |
| Big secondary winch lifting force | T | － |
| Small secondary winch lifting force | T | 1.5 |
| Jacks stroke | m | Low jack |
| Drilling efficiency | m/h | 10-35 |
| Moving speed | Km/h | 2.5 |
| Uphill angle | ° | 21 |
| Weight of the rig | T | 8 |
| Dimension | m | 6.4*2.08*2.8 |
| Working condition | Unconsolidated formation and Bedrock | |
| Drilling method | Top drive hydraulic rotary and pushing, hammer or mud drilling | |
| Suitable hammer | Medium and high air pressure series | |
| Optional accessories | Mud pump, Centrifugal pump, Generator, Foam pump | |
A1: The drilling rig has a compact design but offers excellent capability, reaching a maximum drilling depth of 240 to 250 meters depending on configuration and ground conditions.
A2: The top drive system makes connecting and unloading the drill pipe highly convenient, which significantly shortens auxiliary time and facilitates smoother follow-up drilling.
A3: Yes, it supports multi-function drilling. Supported techniques include down the hole (DTH) drilling, air reverse circulation, air lift reverse circulation, cutting drilling, cone drilling, and pipe following drilling.
A4: Absolutely. The rig features a small, compact body design that allows it to be transported via a small truck. This ease of mobility makes it ideal for narrow terrains and saves overall transportation costs.
A5: According to user demands, the SNR200 can be configured with auxiliary equipment such as mud pumps, centrifugal pumps, foam pumps, generators, and various hoist systems.
A6: Its combination of full hydraulic control, fast drilling speeds, and top-drive rotation minimizes auxiliary setup time. Furthermore, using down-the-hole hammer drilling in rock formations increases penetration efficiency while lowering the cost per meter.
