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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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Introduction:
The CSRC350 reverse circulation drilling rig produced by CSDRILL GROUP: high-efficiency drilling, equipped with a Weichai 129KW engine for strong power, rapid rock cuttings removal, quickly carrying the rock cuttings out of the hole, reducing the wear of the drill bit by the rock cuttings, thereby extending the service life of the drill bit, lowering the frequency of drill bit replacement, and saving costs and time; good hole formation quality; environmentally friendly and energy-saving; strong adaptability, suitable for various geological conditions including soft strata, hard strata, gravel strata, and sand layers. The king of drilling rigs,make drilling simple!
Advantage:
Reverse circulation (RC) drilling is a fast and economical way to obtain high quality mineral-grade samplesto effectively plan your mining and quarrying operations. The RC drilling method prevents cross-contaminationand allows for the collection of duplicate sample bags. The analysis of the samples allows for quick and reliableinformation about the mineral deposit, allowing selective identification of drilling and explosion zones.
1. Fast and economical
2. High production rates compared with traditional core drilling 3. High quality, uncontaminated mineral samples 4. Reverse circulation is a quick and efficient method that has the potential to cut overall driling costssignificantly, while maintaining good sampling quality. |
| Model Item | Unit | CSRC - 350 | Drill pipe length | m | 1.5 |
| The weight | T | 7 | 2 | ||
| The hole diameter | mm | 140 - 325 | 3 | ||
| Drilling depth | m | 350 | Rig lifting force | T | 18 |
| One - timing advance length | m | 3.3 | Rapid rise speed | m/min | 30 |
| Walking speed | km/h | 2.5 | Fast feeding speed | m/min | 60 |
| Climbing angles | Max. | 30 | Width of loading | m | 2.4 |
| Equipped capacitor | Kw | Weichai 129 | Hoisting force of winch | T | 1.5 |
| Using air pressure | MPA | 1.7 - 2.5 | Swing torque | N.m | 6000 - 8500 |
| Air consumption | m³/min | 17 - 36 | Dimension | mm | 6000×2000×2550 |
| Swing speed | rpm | 45 - 80 | Equipped with hammer | Medium wind pressure series | |
| The penetration efficiency | m/h | 10 - 35 | high wind pressure series | ||
| Drill pipe diameter | mm | Φ89 Φ102 | High leg stroke | m | 1.4 |
| Changsha DTH Drill Construction Machinery Co., Ltd has more than 20 years of drilling tools industry since 1996. Its predecessor was the designated processing workplace of down-the-hole drilling tools of Changsha Institute of Mining Research. It is the Institute of Metal Research of the Chinese Academy of Sciences, the National Institute of Materials Research (NIMS) of Japan, and the partner of University of Queensland, Australia, the Swiss Federal Institute of Technology (EMPA). |
| 1. Are you exact manufacturer or just trading company? We are both, we have our own factory. And also have many long-relationship factories. 2.What is your minimum order quantity? Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our quality. 3. Can you accept OEM & ODM? Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly. As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always in the material research and drawing design of drilling tools for 25 years. And he had designed the world's biggest top hammer bit and DTH hammer bit, highly praised by the users. 4. How about the delivery time? It depends, generally it takes about 15-25. If have stocks, Usually only 5-10 days if in stock. 5. Can I have a visit to your factory before the order? Sure, welcome, kindly contact us for address details and time schedule. |
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