| Customization: | Available |
|---|---|
| Type: | Impregnated Core Bit |
| Usage: | Coring |
|
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Diamond Tools of Drilling and Mineral Exploration Core Drill for Core Drilling Bit
To improve the service life of impregnated diamond core bits in production, you can consider the following strategies:
Select the Right Bit for the Application: Ensure that you choose the appropriate impregnated diamond core bit specifically designed for the rock formation you are drilling. Different rock types require different diamond grades and matrix materials to optimize performance and longevity.
Optimize Drilling Parameters: Adjust the drilling parameters, such as rotational speed, feed rate, and water flow, to match the specific rock conditions. Running the bit at the recommended parameters can help prevent excessive wear and damage to the diamonds and matrix.
Use Sufficient Water Cooling and Lubrication: Proper water cooling and lubrication are crucial to prevent overheating and excessive wear of the diamonds and matrix. Ensure that an adequate amount of water or drilling fluid is used to cool the bit and flush away the cuttings, reducing friction and prolonging the bit's life.
Manage Bit Pressure: Avoid excessive bit pressure during drilling. Applying excessive pressure can lead to increased wear and damage to the diamonds and matrix. Instead, use a moderate and consistent bit pressure to maintain effective cutting performance without overly stressing the bit.
Monitor and Maintain Bit Condition: Regularly inspect the impregnated diamond core bit for signs of wear, damage, or clogging. Clean the bit and check for any blockages in the waterways. If necessary, perform maintenance tasks such as regrinding or replacing the bit to restore its cutting efficiency.
Proper Storage and Handling: Store the impregnated diamond core bits in a dry and clean environment to prevent corrosion and contamination. Handle the bits with care to avoid unnecessary impacts or mishandling that could lead to damage.
Operator Training and Skill: Ensure that operators are properly trained in drilling techniques and understand the importance of using the impregnated diamond core bits correctly. Skilled operators can optimize drilling practices, reduce unnecessary wear, and maximize the bit's service life.
Regular Equipment Inspections: Conduct routine inspections of the drilling equipment to identify any issues that may impact the performance of the impregnated diamond core bit. Addressing equipment problems promptly can help prevent premature wear and extend the bit's lifespan.
Feedback and Collaboration with Suppliers: Maintain open communication with the suppliers of impregnated diamond core bits. Share feedback on performance, discuss challenges faced, and seek their expertise for recommendations on improving bit life and performance in specific applications.
By following these strategies, you can enhance the service life of impregnated diamond core bits, reduce downtime, and improve drilling efficiency in production.
| Type | AQ/B | BQ/B | NQ/B | NQ3/B | HQ/B | HQ3/B | PQ/B |
| O.D(mm) | 47.7 | 59.6 | 75.4 | 75.4 | 95.7 | 95.7 | 122.3 |
| O.D(inch) | 1.88 | 2.35 | 2.97 | 2.97 | 3.77 | 3.77 | 4.81 |
| I.D(mm) | 27.1 | 36.5 | 47.7 | 45.2 | 63.6 | 61.2 | 85.1 |
| I.D(inch) | 1.07 | 1.44 | 1.88 | 1.78 | 2.50 | 2.41 | 3.35 |
| Type | PQ3/B | NWM/B | NWG/B | NMLC/B | HMLC/B | NQTT/B | HQTT/B |
| O.D(mm) | 122.3 | 59.6 | 75.4 | 75.4 | 98.9 | 75.4 | 95.7 |
| O.D(inch) | 4.81 | 2.35 | 2.97 | 2.97 | 3.89 | 2.97 | 3.77 |
| I.D(mm) | 83 | 36.5 | 54.8 | 52.1 | 63.6 | 45 | 61.1 |
| I.D(inch) | 3.26 | 1.44 | 2.16 | 2.05 | 2.5 | 1.77 | 2.4 |
Diamond Impregnation: Impregnated diamond core bits are manufactured by embedding industrial-grade diamonds into a matrix of metal powder and binder. The diamonds are evenly distributed throughout the bit, ensuring consistent cutting performance.
Matrix Material: The matrix material acts as a support structure for the diamonds and helps to channel the cut rock particles away from the cutting face. Common matrix materials include bronze, tungsten carbide, and synthetic materials such as polycrystalline diamond compact (PDC).
Diamond Grade: Impregnated diamond core bits use various diamond grades, which refer to the size and quality of the diamonds used. Different grades are selected based on the hardness of the rock formations and the desired drilling efficiency.
Bit Design: Impregnated diamond core bits come in various designs to suit different drilling applications. The design includes the arrangement and pattern of the diamonds on the bit surface, the shape and size of the waterways for cooling and debris removal, and the overall geometry of the bit.
Waterways: Impregnated diamond core bits typically have waterways or flushing holes designed to facilitate the flow of water or drilling fluids. These waterways help to cool the bit, lubricate the cutting surface, and flush away the drill cuttings.
Connection Types: Impregnated diamond core bits are available with different connection types to fit various drilling rigs. Common connection types include threaded connections, such as API threads, and others like C-ductile connections.
Bit Sizes: Impregnated diamond core bits come in a range of sizes to accommodate different drilling requirements. The bit sizes can vary from small diameters for detailed sampling to larger diameters for faster drilling and larger core samples.
Wear Resistance: Impregnated diamond core bits are designed to withstand the abrasiveness of hard rock drilling. The combination of the diamond impregnation and the matrix material provides excellent wear resistance, allowing for longer bit life and consistent drilling performance.
Core Recovery: Impregnated diamond core bits are designed to maximize core recovery, ensuring the retrieval of intact and undisturbed core samples. The bit design, including the shape and configuration of the diamonds and waterways, plays a role in optimizing core recovery.
Versatility: Impregnated diamond core bits can be used in a variety of drilling applications, including mineral exploration, geological surveys, geotechnical investigations, and other rock drilling projects. They are suitable for drilling into hard rock formations, such as granite, basalt, and limestone.
Hardness table
Rock Type |
Rock Hardness |
Abrasiveness |
Hardness NO. |
Clay,Shale,Ash Stone,Gypsum,Tuff,Serpentinite,Calcite, Coal,Argillite,Volcanics,Sandly Pebble |
Soft |
Medium |
BST 1/3 |
Sandstone,Lithoid Limestone, Limonite |
Medium Soft |
Very High |
BST 3/5 |
Medium Hard Sandstone,Hard Shale, Hard Ash Stone,Dolomitic,Marble,Hard Schist, Hard Streak Stone,Siltstone,Andestite |
Medium |
High |
BST 5/7 |
| Peridotite,Gneiss,Limonite | Medium Hard |
Medium High |
BST 7/9 |
Pegmatite,Schist,Norite,Syenite,Gabbro,Peridotite, Grandiorite,Granite,Basalt,Hard Streak Stone |
Hard |
Medium To Low |
BST 9/11 |
| Amphibolite,Diorite,Rhyolite,Quartzite | Very Hard | Medium To Low | BST 11 |
Silicious,Hard Sandstone,Rhyolite, Dense Quartzite,Ironstone,Taconite,Jasperite,Chert |
Utral Hard |
Low |
BST 14 |
Customization:
We offer custom Impregnated Diamond Core Bit services for core assembly, core exploration, geotechnical engineering, and more. Our custom core bits are available in a variety of thread types (API, Metric, etc.), impregnation types (oil or wax), and cutter types (impregnated diamond). Our custom Impregnated Diamond Core Bits are perfect for drilling applications.
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