DHD360 down the hole(dth) hammer :
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It has the following advantages:
- Valveless air distribution. More reliable.
- Simple design of the piston, long life.
- More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
- Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
ND65/DHD360 DTH Hammer Technical Data
Length (without bit) | Weight (without bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1248mm | 100.00kg | Φ142mm | Cop64 DHD360 | Φ155-Φ190 | API3 1/2”Reg | ||
Working Pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | ||||
1.0Mpa | 1.8Mpa | 2.4Mpa | |||||
1.0-2.5Mpa | 23HZ | 20-30r/min | 10m³/min | 20m³/min | 28.5m³/min | ||
Item Description | Weight (kg) | Part Number |
1. Top Sub
2. “O” Ring of Top Sub
3. Check Valve
4. Spring
5. Compression Buffer
6. Air Distributor
7. Internal Cylinder
8. Piston
9. External Cylinder
10. Guided Sleeve
11. “o” Ring of Stop Ring
12. Stop Ring
13. Drive Chuck
14. Drill Bit | 20.00
0.02
1.00
0.04
0.08
5.00
5.00
23.60
36.80
2.40
0.02
0.60
6.00
26.00 | ND6501
ND6502
ND6503
ND6504
ND6505
ND6506
ND6507
ND6508
ND6509
ND6510
ND6511
ND6512
ND6513
ND6514 |
