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DQY90 Portable Hydraulic Rock Drill :-Easy to operate
-Used in tunnel,water conservancy construction,national defence
YYT29 Hydraulic Rock Drill
The YYT29 hydraulic rock drill is made for general excavations,quarrying and bolting with hexagonal shank rods with a shank size of 108mm(41/2”)*22mm(7/8”).
The YYT29 can use water flushing or air flushing.
YYT29 is a hydraulic rock drill to drill diameter 32mm(1 1/4”) to 50mm(2”) hole.
| Overall dimension | 600*173*190(m) |
| Drilling Hole Diameter | 32-50(mm) |
| Drilling depth | 9(m) |
| Spin speed | 250-300(rpm) |
| Working oil pressure | 15-17(Mpa) |
| Oil flow | 30-35(l/min) |
| Impact energy | 55-60(J) |
| Impact frequency | 55-60(HZ) |
| Torque | 50-55(Nm) |
| Power | 11(Kw) |
| Water or air pressure for dust flushing | 0.3-0.5(Mpa)/0.5-0.7(Mpa) |
| Air consumption for dust flushing | 16.5(L/S) |
| Drill steel shank | 22-108(mm) |
Specifications | |||||||||||||
shank | Water | Air | Weight | Length | Piston | Piston Dia | Oil flow | ||||||
22×108 | √ | √ | 26 | 600 | 24 | 30 | 32-35 | ||||||
| |||||||||||||
Hydraulic | Impact | Impact | Torque | Spin | Drilling | WaterPressure | |||||||
15-17.5 | 55-65 | 55-60 | 50-55 | 250-300 | φ32-46 | 0.1-0.3 | |||||||
Powerful drilling
The powerful combination of percussion and rotation originates in a very efficient impact structure .
YYT29 is also equipped with a powerful flushing mechanism which enables efficient removal of cuttings during drill deep holes.
High durability
The external parts have a sturdy design, and the internal parts, subjected to severe working conditions, which are either heat-treated or chromium plated. And all components are precisely finished as well. The drill internal parts all work in the hydraulic oil assures trouble-free and economical operation.
Easy and safe operation
Perfection of balance and convenient portability have been main concern in the design of YYT29.The hydraulic leg patent design makes the drill can be used for long periods due to the minimum recoil. The patent brake-chuck assures the broken rod will not hurt drillman and the drill rig will not fall when the bit shank is broken. YYT29 guarantees dependable and efficient drilling with a minimum of operator fatigue.
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