Sign In | Join Free | My frbiz.com
frbiz.com
Products
Search by Category
Home > Mining Machinery >

Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate

Categories Borewell Drilling Hammers
Brand Name: New Diamond
Model Number: NM series Hammer
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: Hammer
Processing Type: Forging
Use: Ore Mining
Color: Required
Machine Type: Drilling Equipment
Usege: Mining&Construction&Water Well Drilling
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
Submit Buying Request
  • Product Details
  • Company Profile

Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate

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 following advantages:

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


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


NM Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

Length(Without Bit)NM4ANM5ANM6ANM8A
1005mm1110mm1161mm1338mm
Weight(Without Bit)40.00kg68.50kg90.00kg176.00kg
External DiameterØ99mmØ126mm

Ø142mm Ø144mm

Ø146mm Ø148mm

Ø180/Ø185mm
Bit ShankNM4NM5NM6NM8
Hole RangeØ110-Ø135mmØ155-Ø190mmØ155-Ø203mmØ195-Ø254mm
Connection ThreadAPI2 3”/8REG

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REG

API2 7”/8REG

2 7”/8 IF

API4 1”/2REG
Working Pressure1.2-2.0Mpa1.3-2.3Mpa1.5-2.5Mpa1.5-3.0Mpa
Impact Rate at 17 Bar30HZ28HZ25HZ22HZ
Recommended Rotation Speed25-40r/min20-35r/min20-30r/min15-25r/min
Air Consumption

1.0Mpa:5.0m³/min

1.8Mpa:9.0m³/min

2.4Mpa:14.0m³/min

1.0Mpa:7.0m³/min

1.8Mpa:14.0m³/min

2.4Mpa:19.0m³/min

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


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.


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


NM Series High Air Pressure DTH Hammers Without Foot Valve
Item DescriptionWeight(kg)
NM4ANM5ANM6ANM8A
1, Top Sub6.5013.7020.0034.00
2, “O” Ring Of Top Sub0.100.0150.0150.015
3, Breakout Ring---0.30
4, Chenck Valve0.350.700.701.20
5, Spring0.050.100.100.10
6, Air Distributor1.502.003.506.00
7, Internal Cylinder2.102.804.206.50
8, Piston8.5015.0023.0042.50
9, External Cylinder14.8024.0026.0061.00
10, Guided Sleeve1.802.604.805.30
11, “O” Ring Of Stop Ring0.0050.010.010.01
12, Stop Ring0.300.700.801.50
13, Breakout Ring---0.30
14, Drive Chuck3.806.504.2017.30
15, Drill Bit6.6013.5023.0031.00
Quality Professional Borewell Drilling Hammers Erosion Resistant With Low Problem Rate for sale
Send your message to this supplier
 
*From:
*To: Hunan New Diamond Construction Machinery Co., Ltd.
*Subject:
*Message:
Characters Remaining: (0/3000)
 
Inquiry Cart 0