The down-the-hole drill rig is indeed an impact rotary drill rig that operates differently from a conventional rock drill. Its internal structure features an independent gas distribution and piston reciprocating mechanism, known as the impactor. The impactor is directly connected to the drill bit at the front end and connected to the drill rod at the rear end.
During the rock drilling process, the impactor moves into the hole. Through the gas distribution device (valve), the piston (hammer body) inside the impactor reciprocates, delivering impacts to the bit shank. This action generates a rotational force on the drill bit, enabling it to effectively penetrate and impact the rock at the bottom of the hole. This impact rotary mechanism helps to enhance the drilling efficiency and overall performance of the down-the-hole drill rig.
Parameter:
| Model | HW-70D | HW-70Q |
| Drilling depth | 15-20m | 15-20m |
| Drilling diameter | 50-80mm | 50-80mm |
| Drill pipe specifications | 42mm | 42mm |
| power | 3kw | 3kw |
| Host length size | 1850mm | 1850mm |
| use pressure | 0.8Mpa | 0.8Mpa |
| Air consumption | 3.5m³/min | 3.5m³/min |
| Machine weight | 98KG | 88KG |
| Hammer | 70 | 70 |
| drill | 76 | 76 |
Indeed, due to the continuous advancements and progress in technology, there may be variations between the technical parameters and configurations provided and the actual product delivered. Manufacturers constantly strive to improve their products by incorporating the latest innovations and technologies. As a result, there may be updates and modifications to the technical specifications and configurations of the equipment to enhance its performance, efficiency, and reliability.
To ensure accurate information and up-to-date details, it is always recommended to consult with the manufacturer or authorized distributors for the most current technical parameters and configurations of the product. They can provide you with the latest information and assist you in selecting the appropriate equipment that meets your specific requirements.
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