D miningwell Mining Hammer Rock Drilling Tool
D Miningwell DTH hammer is a power tool at the bottom of the hole that uses compressed air as the power medium and uses the energy of the compressed air to produce continuous impact. Compressed air can also double as a washing medium. Pneumatic DTH hammer has high air pressure and low air pressure, valve type and valveless type. Usually, the pneumatic DTH hammer is directly connected with the cemented carbide stud bit to crush the rock in an impact way, and the low-speed rotation does not coring and fully drills.
1. D Miningwell DTH hammer is a valve-type central exhaust impactor, which has a good effect of discharging rock powder, reduces the repeated crushing of rock slag, reduces the wear of the drill bit, and improves the drilling efficiency;
2. The internal structure size of the DTH hammer is designed with advanced rock drilling theory, so that the DTH hammer can obtain ideal energy transfer, large single impact power, faster rock drilling speed and lower air consumption;
3. Using high-quality raw materials and advanced processing technology, the performance is more stable and the service life is longer.
4. Easy disassembly and assembly, low failure and convenient maintenance.
| Model | DHD340 | DHD350 | DHD360 | DHD380 |
| Length(Less bit) | 1032mm | 1209mm | 1063mm | 1492mm |
| Weight | 43kg | 78.5kg | 100.5kg | 190kg |
| Outer diameter | φ99mm | φ125mm | φ142mm | φ180mm |
| Connection thread | API 2 3/8″REG | API 2 3/8″REG | API 3 1/2″REG | API 4 1/2″REG |
| Hole range | φ110-φ135mm | φ135-φ155mm | φ150-φ190mm | φ195-φ254mm |
| Work pressure | 1.0-2.2Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.5-3.3Mpa |
