Hunan New Diamond Construction Machinery Co., Ltd.
| 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 |
| Material | Alloy Steel |
| Brand Name | New Diamond |
| Model Number | Reverse Circulation Hammer |
| Certification | ISO9001:2008 |
| Place of Origin | Hunan, China (Mainland) |
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Product Specification
| 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 | Material | Alloy Steel |
| Brand Name | New Diamond | Model Number | Reverse Circulation Hammer |
| Certification | ISO9001:2008 | Place of Origin | Hunan, China (Mainland) |
| High Light | rock quarry tools ，rock drill accessories | ||
Description
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
Our DTH hammer are widely applied to open pit and underground mining to drill blasting holes, drainage holes, ventilation holes, center holes or blasting holes of raising boring, pipe holes and other deep holesin all various strength rocks, such as quarry exploitation, earthwork projects, water-well, constructionsand so on.
Specifications
| Item Description | Weight(kg) | |||
| NRC45 | NRC55 | NRC65 | NRC52 | |
| Internal Ciclip | 0.03 | 0.04 | 0.05 | 0.04 |
| Air Screen | 0.35 | 0.44 | 0.65 | 0.44 |
| Top Sub | 6.50 | 9.65 | 20.00 | 9.65 |
| “O”Ring | 0.01 | 0.02 | 0.02 | 0.02 |
| Sample Tube | 5.10 | 6.72 | 12.50 | 6.75 |
| Check Valve | 0.25 | 0.68 | 0.85 | 0.68 |
| Spring | 0.04 | 0.12 | 0.10 | 0.12 |
| “O”Ring | 0.01 | 0.02 | 0.02 | 0.02 |
| Air Distributor | 0.85 | 1.48 | 3.50 | 1.48 |
| 10,“O”Ring | 0.02 | 0.01 | 0.02 | 0.01 |
| Internal Cylinder | 2.20 | 4.12 | 4.20 | 4.12 |
| Piston | 8.50 | 16.90 | 24.00 | 16.90 |
| External Cylinder | 14.50 | 19.50 | 32.00 | 21.50 |
| Guided Sleeve | 1.20 | 0.90 | 5.50 | 1.90 |
| “O”Ring | - | - | - | 0.02 |
| Stop “O”Ring | - | - | - | 0.01 |
| Stop Ring | - | - | - | 0.32 |
| Sharout | - | - | - | 1.86 |
| Drive Chuck | 3.20 | 5.65 | 6.50 | 4.17 |
| Bit Retaining Pin | 0.01 | 0.15 | 0.30 | - |
| Drill Bit | 10.50 | 15.80 | 31.00 | 11.05 |
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.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
1,000,000-40,000,000
Employee Number:
100~300
Ecer Certification：
Active Member
Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ... Hunan new diamond Construction Machinery Co., Ltd. is a professional engaged in the research and manufacture of drilling and pneumatic tools of modern high-tech enterprises。 The main research and manufacture of high air pressure DTH hammer, drill hole, drill pipe and drilling ...
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