Product Description
HW421 crawler small combined drilling rig for quarry
HW421 integrated DTH drill rig operation platform, tramming components, hydraulic system,
feed beam & rotary head are upgraded from the original 410C tooptimize the functional capability of the drill rig.
The blast hole DTH crawler drill rig Piston tramming motor greatly increases the work life of tramming mechanism,
Upgraded operation platformcan be controlled by one operator instead of two, to increase the work efficiencywhile
lowering drilling cost.
1. Sandard euipped with Yuchai 4 cylinder Diesel engine for 3m drill rod with Φ60mm or Φ76mm, dry dust collector for option.
2. All stuctural parts reinfoced for various work conditions.
3. The roration unit driven by cycloid motor for more compact structure and low failure rate. Torque improved for larger hole range drilling and widely used for foundation bolting and anchoring, casing and large hole spiral drilling.
4. New enclosure design for better appearance and converient for maintenance and serice.
5. Optional dry dust collector for dust free diling .more environment fiendly and energy saving.
| air compressor built-in surface DTH mine drilling rig for quarry |
| Model |
HW421 |
| Machine Weight |
6800kg |
| Engine |
Yuchai 162 kW |
| Drill Pipe Sizes |
60 X 3,000 mm |
| Hole Dia |
80-115 mm |
| Working Pressure |
15 bar |
| F.A.D |
12 m3/min |
| Tramming Speed ( Max.) |
3 km/h (High Speed) |
| Gradient |
25° |
| Track Frame Oscilation |
±10° |
| Transportation Dimensions |
6000X2800X2750 mm |
1.Adopt container transportation, and take reinforcement measures to prevent
the machine from being damaged, so that customers receive the machine in good condition.
2.We have close ties with the top ten shipping companies in the world and can
provide you with the best shipping quotations and the most timely follow-up information.
Company profile
Jining Hengwang Construction Machinery Co., Ltd. is located in Jining City,
Shandong Province. We are specialized in manufacturing drilling rig and pile driver.
With an experienced and professional team, we have exported our products
to many countries and regions all over the world, especially in the Middle East,
Africa and South America. Our products enjoy a good reputation among our customers.
We welcome customers, business associations and friends from all parts of the world to
contact us and seek cooperation for mutual benefits.
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