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Forging Down The Hole Hammer ND Series Downhole Drilling Tools Alloy Steel Material

Hunan New Diamond Construction Machinery Co., Ltd.
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Address: PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.

Contact name:Rick Liao

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Hunan New Diamond Construction Machinery Co., Ltd.

Forging Down The Hole Hammer ND Series Downhole Drilling Tools Alloy Steel Material

Country/Region china
City & Province yueyang hunan
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Product Details

Description


With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

It also has the followingadvantages:

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of DTH hammer designed according to newest rock drilling theory.

 

2. Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

 

3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

 

4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.

 

5. Interchangeable with DTH bit and drill pipe.

 

Applications


     It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.

 

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 ShankND25IR35

COP44/

DHD340

COP44/

DHD340

COP54/

DHD350R

COP54/

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


1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.

2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.

 

3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.

 

 

 

ND Series High Air Pressure DTH Hammers Without Foot Valve
Item DescriptionWeight(kg)
ND25AND35AND45AND45SND55AND55SND55C(A)ND65AND75AND85AND1120A
1, Top Sub3.104.206.506.0013.7013.3013.7020.0023.0034.0070.00
2, “O” Ring Of Top Sub-0.010.010.010.0150.0150.0150.020.0150.0150.04
3, Breakout Ring---------0.300.80
4, Chenck Valve0.100.200.350.300.700.700.700.700.701.202.00
5, Spring0.050.020.050.050.100.100.100.100.100.100.10
6, Air Distributor0.600.801.501.302.001.902.003.504.506.0016.00
7, Internal Cylinder0.801.302.101.902.802.702.804.206.506.5025.00
8, Piston3.805.508.507.8015.0014.5015.0023.0028.0042.50113.00
9, External Cylinder4.509.5015.2014.6024.0023.0025.0031.5040.0060.00173.00
10, Guided Sleeve0.601.001.301.202.602.503.206.507.505.3024.00
11, “O” Ring Of Stop Ring0.0050.050.010.0050.010.010.010.010.010.010.01
12, Stop Ring0.100.150.300.200.500.500.500.600.801.204.00
13, Breakout Ring---------0.300.80
14, Drive Chuck1.401.903.403.406.506.204.0006.008.0017.5046.00
15, Drill Bit3.205.009.008.5016.0015.5015.9026.0028.5040.00140.00

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