Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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Description
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 4.5’’,5”,5.5 ’’ etc.
Shank styles: NRC45,NRC55,NRC65,PR52
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.
| Technical Data | ||||
| Length(Without Bit) | NRC45 | NRC55 | NRC65 | NRC52 |
| 1020mm | 1111mm | 1250mm | 1208mm | |
| Weight(Without Bit) | 94.00 kg | 66.50 kg | 110.00kg | 70.00kg |
| External Diameter | Ø99mm | Ø126mm | Ø146mm | Ø126mm |
| Bit Shank | NRC45 | NRC55 | NRC65 | PR52 |
| Hole Range | Ø114-Ø127mm | Ø133-Ø15mm | Ø155-Ø190mm | Ø133-Ø146mm |
| Connection Thread | custom | custom | custom | custom |
| Working Pressure | 1.0-3.0Mpa | 1.5-3.5Mpa | 1.5-3.5Mpa | 1.5-3.5Mpa |
| Impact Rate at 17 Bar | 30HZ | 35HZ | 28HZ | 35HZ |
| Recommended Rotation Speed | 25-40 r/min | 25-40 r/min | 25-40 r/min | 25-40 r/min |
| Air Consumption | 1.0Mpa:8m³/min 1.8Mpa:12m³/min 2.4Mpa:16m³/min | 1.7Mpa:16m³/min 2.4Mpa:22m³/min 3.0Mpa:28m³/min | 1.7Mpa:20m³/min 2.0Mpa:26m³/min 3.0Mpa:35m³/min | 1.7Mpa:16m³/min 2.4Mpa:22m³/min 3.0Mpa:28m³/min |
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.
