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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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Cemented Carbide DTH Drilling System ND Series For Pile Foundation

Hunan New Diamond Construction Machinery Co., Ltd.
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Hunan New Diamond Construction Machinery Co., Ltd.
City: Yueyang
Province/State: Hunan
Country/Region: China
Contact Person:Mr rick liao

Cemented Carbide DTH Drilling System ND Series For Pile Foundation

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
Use : Water Well/ Ore Mining
Machine Type : Drilling Equipment
Processing Type : Forging
Color : According to demand
Material : Alloy Steel
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Water Well Drilling Hammer for Cemented carbide with ND series


Description


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.


Suitable choice of raw material, advanced processing technology and perfect quality warranty.
With hardened treatment, drilling life can be extended and then cost can be reduced.


Size range 1-2’’,3 ’’, 4’’, 5’’, 6’’, 8’’, 10’’, 12’’ etc.


Shank styles:

BR1,BR2,BR3;

ND25ND474,ND525,ND55C;

NM4,NM5,NM6,NM8;

IR3.5;

DHD3.5,DHD340,DHD350,DHD350R,DHD350Q,DHD360,DHD380,DHD1120;

COP44,COP54,COP64,COP84;

QL40,QL50,QL60,QL80;

Mission40,Mission50,Mission60,Mission80;

SD4, SD5, SD6, SD8,SD10,SD12;

QI40,QI50,QI60,QI80;

NUMA100,NUMA120,NUMA125.


Applications


All our products, which passed ISO9001 quality management system, are widely used in open pit mining,tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc. We are one of the companies which have the most complete product lines, the most abundant species and the most widely used products in drilling industry.


Technical Data
Length(Without Bit)ND142AND180AND225AND275AND330AND475AND525A
1388mm1520mm1745mm2626mm3870mm4080mm4260mm
Weight(Without Bit)102.00kg178.00kg315.00kg650.00kg1050.00kg2775.00kg3626.00kg
External DiameterØ142mmØ180mmØ225mmØ275mmØ330mmØ475mmØ525mm
Bit ShankDHD360QL80NUMA100NUMA125ND330ND475ND525
Hole RangeØ155-Ø195mmØ195-Ø254mmØ254-Ø311mmØ305-Ø445mmØ350-Ø660mmØ508-Ø706mmØ610-Ø800mm
Connection ThreadAPI3 1”/2REGAPI4 1”/2REG

API4 1”/2REG

API6 5”/8REG

API6 5”/8REG

API7 5”/8REG

API7 5”/8REGAPI8 5”/8REGAPI8 5”/8REG
Working Pressure1.0-2.5Mpa1.8-3.0Mpa1.8-3.0Mpa1.8-3.0Mpa1.8-3.0Mpa2.0-3.0Mpa2.0-3.0Mpa
Impact Rate at 17 Bar25HZ20HZ20HZ20HZ20HZ20HZ20HZ
Recommended Rotation Speed20-30r/min15-25r/min15-25r/min15-25r/min15-25r/min15-25r/min15-25r/min
Air Consumption

1.0Mpa:

9.0m³/min

1.8Mpa:

18.0m³/min

2.4Mpa:

26.0m³/min

1.0Mpa:

12.0m³/min

1.8Mpa:

22.0m³/min

2.4Mpa:

28.0m³/min

1.0Mpa:

22.0m³/min

1.8Mpa:

40.0m³/min

2.4Mpa:

65.0m³/min

1.0Mpa:

28.0m³/min

1.8Mpa:

50.0m³/min

2.4Mpa:

71.0m³/min

1.0Mpa:

32.0m³/min

1.8Mpa:

58.0m³/min

2.4Mpa:

85.0m³/min

1.0Mpa:

56.0m³/min

1.8Mpa:

75.0m³/min

2.4Mpa:

85.0m³/min

1.0Mpa:

50.0m³/min

1.8Mpa:

80.0m³/min

2.4Mpa:

99.0m³/min


Specifications


1. Using the latest rock drilling theory,optimizing the inside structure and the size of the air distrbution,to make the DTH hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.


2. For such projects as the drill bit break,retrieving very difficult,we specially designed a safe and reliable anti-shedding device for the bit.


3. The check valve can be replaced to replaced to the one with bigger air controlling hole to provide more efficient cutting discharge.


4. The top sub and the drive chuck have special thread,which can achieve an easier disassemble.


Feature Advantage


1. Fast drilling speed and low air consumption due to the special inner structure.
2. Smooth performance and long service due to high quality alloy steel materials and advanced processing.


Technology adapted


1. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner.


Structure of hammer


1. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
2. Interchangeable with DTH bit and drill pipe.


The appearance of the picture is different from that of the actual product, and the actual product is the standard.


Item DescriptionWeight(kg)
ND142AND180AND225AND275AND330AND475AND525A
1, Top Sub20.0034.0059.00230.00320.00800.00960.00
2, “O” Ring Of Top Sub0.020.0150.030.040.100.020.03
3, Breakout Ring-0.600.801.002.003.555.00
4, Chenck Valve0.701.201.402.005.0013.5018.00
5, Spring0.100.100.300.500.800.350.45
6, Air Distributor3.506.0010.5016.0035.0058.9079.50
7, Internal Cylinder4.206.5012.5025.0030.00101.60137.00
8, Piston23.0042.5077.00113.00190.00517.00698.00
9, External Cylinder31.5060.00110.00170.00316.00952.001285.00
10, Guided Sleeve6.506.304.5023.0038.0098.00132.00
11, “O” Ring Of Stop Ring0.010.010.020.030.050.020.02
12, Stop Ring0.601.401.904.006.0014.2519.50
13, Breakout Ring0.200.600.801.002.003.555.00
14, Drive Chuck5.0012.0021.0034.0064.00162.00219.00
15, Retainer3.506.509.0030.0042.0050.0067.50
16, Drill Bit27.0037.0068.00185.00240.00528.001328.00


Product Tags:

mining drilling tools

      

water drilling tools

      
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