HW-350S Pneumatic Drill Rig
Drilling diameter: 105-305mm
Engine Power: 91Kw
| Parameter | HW-350S (6.6m Mast) | HW-350S (3.6m Mast) |
| Model | HW-350S | HW-350S |
| Mast Height | 6.6 meters | 3.6 meters |
| Engine Brand | Yuchai Power | Yuchai Power |
| Power | 91 kW | 91 kW |
| Main Pump | — | — |
| Max Drilling Depth | 350 m | 350 m |
| Drilling Diameter | 105–305 mm | 105–305 mm |
| Working Air Pressure | 1.2–3.5 MPa | 1.2–3.5 MPa |
| Air Consumption | 16–55 m³/min | 16–55 m³/min |
| Drill Rod Length | 3 m / 6 m | 3 m |
| Drill Rod Diameter | Φ89 / Φ102 | Φ89 / Φ102 |
| Lifting Force | 3 t Lifting capacity 16t | 3 t Lifting capacity 16 t |
| Slow Lifting Speed | — | — |
| Fast Lifting Speed | 30–55 m/min | 30–55 m/min |
| Rotary Torque | 8500 / 4250 N·m | 8500 / 4250 N·m |
| Rotary Speed | 0–80 r/min; 0–160 r/min | 0–80 r/min; 0–160 r/min |
| Drilling Efficiency | 10–35 m/h | 10–35 m/h |
| Travel Speed | 2.5 m | 2.5 m |
| Climbing Ability | 21° | 21° |
| Machine Weight | 7.5 t | 7.5 t |
| Dimensions (L×W×H) | 5.78 × 1.7 × 2.25 m | 5.78 × 1.7 × 2.25 m |
| Applicable Strata | Loose layers and bedrock | Loose layers and bedrock |
| Drilling Method | Down-the-hole (DTH) hammer | Down-the-hole (DTH) hammer |
| Equipped Hammer | High air pressure series | High air pressure series |
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Company Profile
Shandong Hengwang Group, founded in 2011 in the cultural city of Jining, Shandong, has grown into a comprehensive innovative technology enterprise integrating R&D, production, trade, and logistics. With a factory area exceeding 300,000 square meters and over 2,000 employees, the company completed and put into operation its billion-yuan Intelligent Manufacturing Base in 2024, reinforcing its strong manufacturing foundation.
Adhering to an "innovation-driven, quality-first" philosophy, Hengwang develops and exports over 40 categories of machinery products to more than 180 countries and regions. Holding over 200 patents and multiple international certifications, the company provides customers with integrated solutions and high-quality service, consistently striving towards its vision of building a century-old brand with outstanding value.
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