420B-1 Φ90-127mm Hydraulic Borehole Drilling Machine separated Surface Dth Drilling Rig
This series of separated DTH (Down-the-Hole) drill rigs has been primarily used in small and medium-sized quarries, cement mines, open-pit coal mines, and preliminary site preparation for large-scale open-pit mines. It is also applied in infrastructure projects such as highway construction and real estate development, as well as other related industries. Equipped with 3.5-inch or 4-inch hammers, it achieves optimal performance for holes with diameters of Φ90mm, Φ115mm, and Φ138mm, while boasting high drilling efficiency and excellent dust collection. Thanks to its exceptional flexibility and mobility, this series is particularly well-suited for operations in confined work areas. It has been successfully deployed in mining, military projects, road construction, water conservancy, rock excavation, and other fields, gaining widespread recognition from both domestic and international customers.
Optimal Hole Range:Φ90-127mm
Hole depth.Max: 21m
Electrical Portable Screw Compressors: 90SDYT-18
Diesel Portable Screw Compressors: 162SCYT15-18/190SCYT-15-18
| Weight | 4,620 kg |
| Dimensions (LxWxH) | 5,700×2,130×2,300 mm |
| IChina IV engine (standard) | Yuchai/59 kW |
| Rotation torque(MAX) | 2,200 Nm |
| Drilling hole diameter | φ90-127 mm |
| DTH hammer(Standard) | 4”(inch) |
| Drilling rod | φ76×3,000 mm |
| Diesel tank volume | 70 L |
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