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Horizontal directional drilling (HDD) rigs are specialized equipment used for trenchless installation of underground utilities, such as pipelines and cables. These rigs offer several advantages and have distinct characteristics:
Advantages:
1. Minimal Surface Disruption: HDD rigs create underground pathways without extensive excavation, reducing disruption to the surface, minimizing traffic congestion,
and preserving landscaping.
2. Environmental Friendliness: By minimizing excavation and reducing the need for open trenches, HDD rigs help protect the environment and avoid soil contamination.
3. Versatility: HDD rigs can be used in a variety of soil and rock conditions, making them suitable for a wide range of projects, including water, gas, and electricity utilities.
4. Cost-Effective: While the initial setup cost may be high, HDD can be more cost-effective in the long run due to reduced restoration and surface repair expenses.
5. Reduced Risk: There is a lower risk of utility strikes, worker accidents, and damage to existing structures when compared to traditional trenching methods.
HWF135 main technical parameters：
| engine | Cummins |
| Rated power (National IV) | kW/r/min 81/2200 |
| Push and pull | kN 135 |
| Maximum speed | m/min 40 |
| Torque | N·m 3200 |
| Maximum speed | r/min 230 |
| Mud pump maximum flow | L/min 100 |
| Drill pipe diameter x length | medium 52/60×1.8（mmxm） |
| Maximum penetration angle | 18° |
| Overall machine quality | 5.0t |
| Dimensions(LxWxH) | 4200x1680x2170（mm） |
