china gold mining equipment

Specifications

DHD360 dth hammer:
1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life,less failure

 

 

china gold mining equipment:

 

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide steel

 

 

It has the following advantages:

1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. 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

  

 

 

 

 

 

 

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