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Abrasion Resistance DTH Drilling Tools For Ore Mining , 1.0-2.3Mpa Pressure

Categories Borewell Drilling Hammers
Brand Name: New Diamond
Model Number: ND series
Certification: ISO9001:2008
Place of Origin: Hunan, China (Mainland)
MOQ: Negotiable
Price: Negotiable
Payment Terms: L/C, T/T, Western Union
Supply Ability: According to order quantity
Delivery Time: 5-8 work days
Packaging Details: Carton packaging and wooden box packing
Type: hammers
Processing Type: Forging
Use: Ore Mining
Color: Required
Usege: Mining&Construction&Water Well Drilling
Application: MARBLE QUARRY OR WELL DRILLING
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Abrasion Resistance DTH Drilling Tools For Ore Mining , 1.0-2.3Mpa Pressure

Description



The new diamond dart impactor uses the latest drilling theory to design impactor, which enables the impactor to get the best energy transfer, fast drilling speed and low air consumption. The best quality of raw materials and the most advanced processing technology, stable performance and long life. Easy to use, easy to install and disassemble, easy to repair and easy to repair.


Down the hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powderto a down-the-hole bit to crush rocks.

1. Based on previous experience of ordinary hammers, combined with the features of reverse circulation hammer, optimized internal structure and ideal energy transfer, thus ensuring the series of hammers drilling with fast, smooth and continuous sampling.

2. The internal structure is very simple with components of high rigidity, thus ensuring long life and easy maintenance of the hammer.

3. The collection tube adopts an integrative design and can be replaced without disassembling the hammer. With carburizing treatment, it has good abrasive resistance.

4. Equipped with bits designed with patent. Simply by replacing the drill bit, the same hammer
can drill holes of different sizes ensuring that the sample is not contaminated.

5. In difficult conditions such as loose soil, hard rock and plenty of water exists, sampling can be done well.


Applications



Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.


Specifications


ND Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

Length(Without Bit)ND25AND35AND45AND45SND55AND55S
872mm888mm1011mm986mm1110mm1110mm
Weight(Without Bit)16.00kg25.00kg43.20kg37.00kg69.00kg66.00kg
External DiameterØ71mmØ82mmØ99mmØ92mmØ126mmØ116mm
Bit ShankND25IR35COP44/DHD340COP44/DHD340COP54/DHD350RCOP54/DHD350R
Hole RangeØ71-Ø90mmØ90-Ø115mmØ110-Ø135mmØ105-Ø120mmØ135-Ø155mmØ127-Ø145mm
Connection ThreadT42x10x1.5API2 3”/8REGAPI2 3”/8REGAPI2 3”/8REG

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

2 7”/8 IF

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

Working Pressure1.0-1.5Mpa1.0-1.5Mpa1.2-2.0Mpa1.2-2.0Mpa1.3-2.3Mpa1.3-2.3Mpa
Impact Rate at 14 Bar25HZ25HZ30HZ30HZ28HZ28HZ
Recommended Rotation Speed22-35r/min25-40r/min22-35r/min25-40r/min20-35r/min25-35r/min
Air Consumption

1.0Mpa:

4.0m³/min

1.5Mpa:

6.0m³/min

1.0Mpa:

3.8m³/min

1.5Mpa:

7.5m³/min

1.0Mpa:

6.0m³/min

1.8Mpa:

10.0m³/min

2.4Mpa:

15.0m³/min

1.8Mpa:

8.0m³/min

2.4Mpa:

13.0m³/min

1.0Mpa:

7.0m³/min

1.8Mpa:

14.0m³/min

2.4Mpa:

19.0m³/min

1.0Mpa:

7.0m³/min

1.8Mpa:

13.5m³/min

2.4Mpa:

18.0m³/min

ND Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

Length(Without Bit)ND55C(A)ND65AND75AND85AND1120A
1102mm1238mm1258mm1359mm1880mm
Weight(Without Bit)68.00kg98.00kg120.00kg175.00kg474.00kg
External DiameterØ126mmØ142/Ø146mmØ165mmØ180/Ø185mmØ275mm
Bit ShankND55C/DHD350QCOP64/DHD360COP64/DHD360COP84/DHD380CDHD1120
Hole RangeØ135-Ø155mmØ155-Ø203mmØ175-Ø216mmØ195-Ø254mmØ305-Ø445mm
Connection Thread

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REGAPI3 1”/2REGAPI4 1”/2REGAPI6 5”/8REG
Working Pressure1.3-2.3Mpa1.5-3.0Mpa1.5-3.0Mpa1.5-3.0Mpa2.0-3.5Mpa
Impact Rate at 17 Bar28HZ25HZ23HZ22HZ20HZ
Recommended Rotation Speed22-35r/min20-30r/min20-30r/min15-25r/min15-25r/min
Air Consumption

1.0Mpa:8.0m³/min

1.8Mpa:6.0m³/min

2.4Mpa:19.0m³/min

1.0Mpa:9.0m³/min

1.8Mpa:18.0m³/min

2.4Mpa:26.0m³/min

1.0Mpa:11.0m³/min

1.8Mpa:20.0m³/min

2.4Mpa:28.0m³/min

1.0Mpa:12.0m³/min

1.8Mpa:22.0m³/min

2.4Mpa:28.0m³/min

1.0Mpa:28.0m³/min

1.8Mpa:50.0m³/min

2.4Mpa:71.0m³/min


Feature Advantage



Characteristic advantage

1 adopts the industry's leading heat treatment technology, and the steel hardness and wayward products are in the leading position.

2 alloy teeth adopt professional technology to greatly improve the strength of alloy teeth.

3 perfect after-sales security system and after-sales service tracking, the perfect solution to any problem of customers.


Quality Abrasion Resistance DTH Drilling Tools For Ore Mining , 1.0-2.3Mpa Pressure for sale
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