Atlas Copco 5" COP54/DHD350 down hole (dth) hammer bit :
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.
Length (without bit) | Weight (without bit) | External diameter | Bit Shank | Hole Range | Connection Thread | ||
1214mm | 76.50kg | Φ125mm | Cop54 DHD350R | Φ135-Φ155 | API2 3/8”Reg 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 | 25HZ | 20-35r/min | 9 m³/min | 15 m³/min | 23m³/min | ||
DHD350 DTH Hammer Technical Data
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 |
down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer
down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit