|Pneumatic DTH Hammer:||Ø125mm||Drill Pipe Threads:||NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF)|
|Bit Diameter:||5 1/2”||Air Consumption:||20-30m3/Min|
|Working Pressure:||0.7-2.4Mpa||Curved Sub:||1° And 1.5°|
Pilot DTH Hammers And Bits,
HDD DTH Hammers And Bits,
HDD Pilot DTH Hammers
High Speed Rock Impact Alloy Steel HDD Pilot Hammer System
HDD Pilot Hammer System Has High-Speed Rock Impact
Use HDD Pilot Hammer to cooperate with drilling rigs and corresponding drilling tools for impact rotary drilling. The HDD Pilot Hammer is connected to the bottom end of the drill rod. The drill rig drives the drill rod to rotate. Compressed air enters the HDD pilot hammer through the drill pipe to generate a certain frequency of impact force to break the rock. At the same time, the exhaust gas is used to cool the hammer head. Drain the debris from the hole. Because the outer diameter of the HDD pilot hammer is smaller than the drill diameter, it can be lowered into the hole as the drill depth increases. Compared with the pneumatic drill that impacts outside the hole, its impact power loss is small, and it can drill deeper holes.
|Bit Diameter||5 1/2”|
|Pneumatic DTH hammer||Ø125mm|
|Curved sub||1° and 1.5°|
|Drill pipe threads||NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF)|
|Drilling depth||500 m|
|Drilling angle||38 (°)|
1. The hard alloy tooth material adopts high wear-resistant formula, and the tooth breaking rate is less than 2%.
2. The body of trousers is made of high-strength high-quality alloy steel. After advanced heat treatment, the rate of broken trousers is less than 1%.
3. Using advanced CNC machining and advanced alloy tooth assembly technology, the tooth loss rate is less than 1%.
The drilling quality is high, the drilling speed is fast, and no grinding is required.
The high-efficiency drill bit can be optimized and customized according to the rock structure.