21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
Price:
Negotiable
MOQ:
5
Delivery Time:
Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays
Product Description
HM21B/D rock drill
Product Description
High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling
Impact Power: 21 kW
Drilling Diameter: 45-76 mm
Impact Piston Design: The impact piston is designed to match the dimensions of the drill rod, effectively minimizing impact stress and prolonging equipment lifespan.
Efficient Hydraulic Dual-Damping System and Floating Joint: Equipped with an efficient hydraulic dual-damping system and a floating joint, significantly enhancing the productivity of the rock drill while improving the economic efficiency of the drill rod by reducing wear and replacement frequency.
Powerful Infinitely Variable Speed Bi-Directional Motor: The rock drill features a powerful infinitely variable speed bi-directional motor, providing high torque output and excellent speed control, making it suitable for a wide range of challenging conditions and boosting operational efficiency.
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
![21kw High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling Machine]()
Product Description
High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling
Impact Power: 21 kW
Drilling Diameter: 45-76 mm
Product Details
Impact Piston Design: The impact piston is designed to match the dimensions of the drill rod, effectively minimizing impact stress and prolonging equipment lifespan.
Efficient Hydraulic Dual-Damping System and Floating Joint: Equipped with an efficient hydraulic dual-damping system and a floating joint, significantly enhancing the productivity of the rock drill while improving the economic efficiency of the drill rod by reducing wear and replacement frequency.
Powerful Infinitely Variable Speed Bi-Directional Motor: The rock drill features a powerful infinitely variable speed bi-directional motor, providing high torque output and excellent speed control, making it suitable for a wide range of challenging conditions and boosting operational efficiency.
Technical Parameters
| HM21B/D Rock Drill | ||
| Structure | ||
| Dimension | mm*mm*mm | 846.5X301X199 |
| Weight | KG | 175 |
| Center Height | mm | 86 |
| Shank | - | R32/R38/T38/T45/T38L/R38L |
| Hole Diameter | mm | 45-76 |
| Impact Functions | ||
| Max. Impact Power | KW | 21 |
| Oil Inlet Pressure | Bar | 165-200 |
| Impact Frequency | HZ | 55-63 |
| Flow | L/min | 95-118 |
| Impact Energy | J | 252-330 |
| Rotation Functions | ||
| Displacement | CC | 100/125/160 |
| Rotation Speed | Rpm | 303/303/296 |
| Max. Torque | Nm | 477/597/764 |
| Oil Inlet Pressure | Bar | 210 |
| Flow | L/min | 48/60/75 |
| Others | ||
| Water Pressure | Bar | 14-25 |
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Company
Qingdao Elite Hydraulic Co.,Ltd
Location
No. 366 Liaoyang West Road, Shibei District, Qingdao, Shandong, China 266000
Contact Person
David