Best Drilling Equipment (Wuxi) Co.,Ltd
Professional Manufacturer of Core Drilling Tools
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Use and Precaution of Impregnated Diamond Drill Bits
A reasonable clearance should be having between drill bit and reaming shell. Generally, reaming shell's outside diameter is 0.3-0.5mm larger than the drill bit's outside diameter, on hard formation, the clearance between bit and reaming shell should not be greater than 0.3mm.
Impregnated Diamond Bits Structure
| Seq. | Item | Function |
| 1 | Thread | High precison CNC lathe processing, special thread gauge inspection |
| 2 | Bit Shank | Made of high quality alloy steel material |
| 3 | Core lifter Case Seat | Supports core lifter case when breaking core |
| 4 | Tungsten Carbide | High wear ratio polycrystalline diameter, increase bit stability |
| 5 | Waterway | Control water flow to cool and remove rock duct |
| 6 | Profile | Ensure the new bit starts working quickly |
| 7 | Crown | Using Prealloyed powder, superb impregnate and control diamond, cut rock |
Best main products include: diamond bit/core bits/reaming shells/drill rods/casings/coring systems and accessory tools and equipments.The main products include global standard, BEST standard and also customized products.
Diamond bit can be divded into imprehnated diamond bits, surface-set bits, CL diamond bits, PDC bits and TC bits.
Geological core drilling diamond bits for hard rock diamond bit AQ,BQ,NQ,NQ3,HQ,HQ3,PQ
Additional details about impregnated diamond diamond bit and their advantages in the drilling industry:
Customizable Design: Impregnated diamond drill core bits can be customized to meet specific drilling requirements. The size and distribution of the diamonds in the drill bit can be tailored to optimize performance in different formations. By adjusting the diamond concentration and matrix hardness, drilling operators can achieve the desired balance between cutting efficiency and bit durability.
Heat and Friction Resistance: Diamonds have excellent heat conductivity, which helps dissipate the heat generated during drilling. This property is crucial when drilling in high-temperature environments or through formations that generate excessive heat. The heat resistance of impregnated diamond core bits allows for prolonged drilling without compromising the bit's structural integrity.
Reduced Drilling Vibrations: Impregnated diamond core bits offer improved stability during drilling, leading to reduced vibrations. Vibrations can affect drilling accuracy and may cause damage to the equipment. The precise cutting action of the diamonds in impregnated bits helps minimize vibrations, resulting in smoother and more controlled drilling operations.
Enhanced Bit Cleaning: The design of impregnated diamond core bits allows effective removal of cuttings from the drilling area. The matrix material surrounding the diamonds acts as a flushing agent, carrying away the cuttings and preventing clogging or blockage of the bit. This feature is particularly advantageous when drilling in formations with high clay or silt content.
Compatibility with Various Drilling Methods: Impregnated diamond drill core bits are compatible with different drilling methods, including diamond core drilling, wireline drilling, and rotary drilling. This versatility makes them suitable for a wide range of applications, from mineral exploration and geotechnical surveys to construction and infrastructure projects.
Environmental Considerations: Impregnated diamond drill core bits are considered environmentally friendly compared to other drilling methods. They produce fewer cuttings and generate less waste material, reducing the environmental impact of drilling operations. Additionally, the extended lifespan of these bits reduces the frequency of bit replacements, resulting in less waste generation and lower resource consumption.
It's important to note that while impregnated diamond drill core bits have numerous advantages, they may not be the most suitable choice for every drilling scenario. Factors such as the specific geological conditions, drilling objectives, budget constraints, and equipment availability should be considered when selecting the appropriate bit for a particular project.
Model or type:
| Best brand drill bit size normally applied | |
| Wireline series | AQ, BQ, NQ, HQ, PQ, SQ, PQ3, HQ3, NQ3, BQ3, NQ2 |
| B series | B46, B56, B66, B76, B86, B101, B116, B131, B146 |
| MLC series | NMLC, HMLC, 3C, 4C, 6C, 8C |
| LTK series | LTK48, LTK60 |
| WF series | HWF, PWF, SWF, UWF, ZWF |
| WT series | RWT, EWT, AWT, BWT, NWT, HWT(Single Tube, Double Tube) |
| WG series | EWG, AWG, BWG, NWG, HWG(Single Tube, Double Tube) |
| WM series | EWM, AWM, BWM, NWM, HWM |
| T2 / T series | T2 46, T2 56, T2 66, T2 76, T2 86, T2 101, T46, T56, T66, T76, T86 |
| TT series | TT 46, TT 56 |
| T6 series | T6 76, T6 86, T6 101, T6 116, T6 131, T6 146 |
| T6S series | T6S 76, T6S 86, T6S 101, T6S 116, T6S 131, T6S 146 |
| Chinese standard | 56mm, 59mm, 75mm, 89mm, 91mm, 108mm, 110mm, 127mm, 131mm, 150mm, 170mm, 219mm, 275mm |
| Russian standard | 59, 76, 93, 112, 132, 152 mm |
| Other sizes | AX, BX, NX, HX, TBW, NQTT, HQTT, TNW, 412F, BTW, TBW, NTW, HTW, T6H, SK6L-146 |
| Special drill bits sizes are also available to be custimized | |
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Q: How do I choose the right impregnated diamond drill core bit for my drilling project?
A: The selection of an impregnated diamond drill core bit depends on factors such as the type of material to be drilled, the desired core diameter, drilling method (wet or dry), and the drilling equipment being used.
Q: What factors affect the lifespan of impregnated diamond drill core bits?
A: The lifespan of impregnated diamond drill core bits can be influenced by factors such as the hardness and abrasiveness of the material being drilled, drilling parameters, and proper usage and maintenance.
Q: How should I handle and store impregnated diamond drill core bits?
A: Impregnated diamond drill core bits should be handled with care to avoid damage to the diamond impregnation. They should be stored in a clean and dry environment to prevent contamination and corrosion.
Q: Can impregnated diamond drill core bits be re-tipped or reconditioned?
A: In some cases, impregnated diamond drill core bits can be re-tipped or reconditioned by replacing the worn-out diamond impregnation. However, this process is typically performed by specialized professionals.
Q: What safety precautions should I follow when using impregnated diamond drill core bits?
A: It is important to follow proper safety protocols, including wearing appropriate personal protective equipment (PPE), ensuring proper rig stability, keeping the work area clear, and using safe drilling practices.
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