Big Hole High Hammer

We often encounter scenes in buildings where large bore pile holes need to be drilled into the rock, and large bore water Wells require large amounts of water.In this application scenario, the hole size is large, the torque of the drill tool is large, the drilling cost is high, and the risk is high.In view of the characteristics of this type of scenario, our company has designed a special large-bore hole impactor.
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Main Features Of Big Hole High Hammer:

1. Using the latest rock drilling theory, optimizing the inside structure and the size of the air distrbution, to make the hammer drill tool obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
2. For such projects as the drill bit break, retrieving very difficult, we specially designed a safe and reliable anti-shedding device for the bit.
3. The check valve can be replaced to replaced to the one with bigger air controlling hole to provide more efficient cutting discharge.
4. The top sub and the drive chuck have special thread, which can achieve an easier disassemble.

 Applications Of Big Hole High Hammer:

ANBIT provides various types of big hole drills for applications in drilling into stone, concrete, bricks, etc.. during different mining conditions. Contact us for expertise in choosing the suitable big hole hammer drill tools to meet your needs.

 

Technical Data Of Big Hole Drill Hammer
Technical Data
Length(Without Bit)ND142AND180AND225AND275AND330AND475AND525A
1388mm1520mm1745mm2626mm3870mm4080mm4260mm
Weight(Without Bit)102.00kg178.00kg315.00kg650.00kg1050.00kg2775.00kg3626.00kg
External DiameterØ142mmØ180mmØ225mmØ275mmØ330mmØ475mmØ525mm
Bit ShankDHD360QL80NUMA100NUMA125ND330ND475ND525
Hole RangeØ155-Ø195mmØ195-Ø254mmØ254-Ø311mmØ305-Ø445mmØ350-Ø660mmØ508-Ø706mmØ610-Ø800mm
Connection ThreadAPI3 1”/2REGAPI4 1”/2REGAPI4 1”/2REGAPI6 5”/8REGAPI7 5”/8REGAPI8 5”/8REGAPI8 5”/8REG
API6 5”/8REGAPI7 5”/8REG
Working Pressure1.0-2.5Mpa1.8-3.0Mpa1.8-3.0Mpa1.8-3.0Mpa1.8-3.0Mpa2.0-3.0Mpa2.0-3.0Mpa
Impact Rate at 17 Bar25HZ20HZ20HZ20HZ20HZ20HZ20HZ
Recommended Rotation Speed20-30r/min15-25r/min15-25r/min15-25r/min15-25r/min15-25r/min15-25r/min
Air Consumption1.0Mpa:9.0m³/min1.0Mpa:12.0m³/min1.0Mpa:22.0m³/min1.0Mpa:28.0m³/min1.0Mpa:32.0m³/min1.0Mpa:56.0m³/min1.0Mpa:50.0m³/min
1.8Mpa:18.0m³/min1.8Mpa:22.0m³/min1.8Mpa:40.0m³/min1.8Mpa:50.0m³/min1.8Mpa:58.0m³/min1.8Mpa:75.0m³/min1.8Mpa:80.0m³/min
2.4Mpa:26.0m³/min2.4Mpa:28.0m³/min2.4Mpa:65.0m³/min2.4Mpa:71.0m³/min2.4Mpa:85.0m³/min

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