| Type: | Surface Set Core Bit |
|---|---|
| Usage: | Coring |
| Certification: | CE, ISO |
| Hardness: | F1-F12 |
| Property: | Impregnated |
| Industry: | Geological Survey |
| Samples: |
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| Customization: |
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Audited Supplier Surface Set Diamond Core Bits are specifically designed for drilling in hard rock formations and are widely used in various industries, including mining, geotechnical engineering, and geological research. These bits are composed of a steel body with diamonds embedded on the surface, forming a layer known as the diamond impregnation or matrix.
The diamonds used in Surface Set Diamond Core Bits are carefully selected for their hardness and durability. They are bonded to the bit's surface using a metal matrix, which can vary in composition to suit different drilling conditions. The diamonds serve as the cutting elements during drilling, effectively grinding and breaking up the rock formation.
One of the key advantages of Surface Set Diamond Core Bits is their ability to provide high core recovery rates. This means that they can obtain intact cylindrical core samples from the drilled rock formation, allowing for accurate analysis of the subsurface geology and the extraction of valuable information. The core samples can provide insights into rock composition, structure, mineralization, and other geological properties.
Surface Set Diamond Core Bits are particularly effective in drilling through hard and abrasive formations, including granite, basalt, quartzite, and conglomerate. Their diamond-impregnated surface ensures excellent performance and longevity in these challenging conditions. They are also suitable for use in fractured formations, although precautions should be taken to minimize core loss.
To maximize the performance and lifespan of Surface Set Diamond Core Bits, proper drilling techniques and maintenance practices are crucial. This includes adjusting drilling parameters such as speed, weight on bit, and water flow rate, based on the specific rock formation being drilled. Regular inspection and cleaning of the bit, along with proper cooling and lubrication, help to ensure optimal performance and prevent premature bit failure.
Overall, Surface Set Diamond Core Bits are essential tools in the drilling industry, enabling accurate and efficient subsurface exploration. Their ability to provide high core recovery rates, withstand abrasive formations, and deliver reliable results makes them indispensable for professionals involved in geological and geotechnical investigations, mineral exploration, and other drilling applications.
Surface set diamond core bit table
| NO. | Standard | Name | Outer diameter*Inner diameter(mm) | Waterways | Diamond particle sizes |
| Q series | |||||
| 1 | AQ | Diamond core bit | 47.7*27.1 | 6 | 14/16 |
| 2 | BQ | Diamond core bit | 59.6*36.5 | 6 | 14/16 |
| 3 | NQ | Diamond core bit | 75.4*47.7 | 6 | 14/16 |
| 4 | NQ3 | Diamond core bit | 75.4*45.2 | 6 | 14/16 |
| 5 | HQ | Diamond core bit | 95.7*63.6 | 6 | 14/16 |
| 6 | HQ3 | Diamond core bit | 95.7*61.2 | 6 | 14/16 |
| 7 | PQ | Diamond core bit | 122.3*85.1 | 6 | 14/16 |
| 2 | PQ3 | Diamond core bit | 122.3*83 | 6 | 14/16 |
| NW series Surface Set Diamond core bit | |||||
| 1 | NWM | Diamond core bit | 59.6*36.5 | 6 | 14/16 |
| 2 | NWG | Diamond core bit | 75.4*54.8 | 6 | 14/16 |
| MLC series Surface Set Diamond core bit | |||||
| 1 | NMLC | Diamond core bit | 75.4*52.1 | 6 | 14/16 |
| 2 | HMLC | Diamond core bit | 98.9*63.6 | 6 | 14/16 |
| QTT series Surface Set Diamond core bit | |||||
| 1 | NQTT | Diamond core bit | 75.4*45 | 6 | 14/16 |
| 2 | HQTT | Diamond core bit | 95.7*61.1 | 6 | 14/16 |
FAQ:
Q: Can Surface Set Diamond Core Bits be used for directional drilling?
A: Yes, Surface Set Diamond Core Bits can be used for directional drilling, but specialized designs and techniques may be required for optimal performance.
Q: How do I ensure optimal cooling and lubrication during drilling with a Surface Set Diamond Core Bit?
A: Using an appropriate drilling fluid or water-based mud system can provide cooling and lubrication to enhance bit performance and prolong its lifespan.
Q: Can Surface Set Diamond Core Bits be used in high-temperature drilling environments?
A: Yes, there are specialized high-temperature versions of Surface Set Diamond Core Bits available for drilling in extreme heat conditions.
Q: What is the typical rate of penetration (ROP) for Surface Set Diamond Core Bits?
A: The ROP can vary depending on the formation type, bit design, drilling parameters, and rig capabilities, but it is generally slower compared to softer formations.
Q: Are Surface Set Diamond Core Bits suitable for use in mineral exploration projects?
A: Yes, Surface Set Diamond Core Bits are commonly used in mineral exploration projects for their ability to recover intact core samples for geological analysis.
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