PCD Tool Reconditioning by Kennametal: Extend the Life of Your Tools
October 12, 2023
October 12, 2023
Many industries widely use Polycrystalline Diamond (PCD) tools due to their exceptional hardness and wear resistance. However, prolonged usage can lead to wear and dullness, reducing their effectiveness over time. Instead of replacing these expensive tools, reconditioning them is a cost-effective alternative. Learn how to recondition PCD and extend the lifespan of your diamond tools with valuable tips and benefits.
PCD is a composite material consisting of a diamond layer bonded to a carbide substrate. They are extremely hard and resistant to wear, which means they cut well and last a long time. They are about 10 times more productive than carbide solutions. Manufacturers commonly use PCD tools in high-precision machining operations such as boring, drilling, milling, and turning.
PCD tools are extremely versatile and can effectively machine a wide range of materials including aluminum alloys, composites, and non-ferrous. This versatility makes PCD tools a preferred choice in industries such as automotive, aerospace, and oil and gas, among others.
PCD tools have a reputation for their extraordinary hardness and are ideal for cutting difficult-to-machine materials. PCD inserts are designed with a unified structure of diamond particles that make it easy for the tools to cut through tough and abrasive materials.
The manufacturing of PCD tools allows for ultra-fine cutting edges. The sharpness enables precise and clean cutting, resulting in high-quality surface finishes and dimensional accuracy.
There are several indicators that your PCD tools may need reconditioning. If you notice reduced productivity or an increase in machining time, poor surface finish, flatness, or exit burr, the PCD tool warrants reconditioning. Additionally, worn-out PCD tools may generate an increase in noise or vibrations during cutting operations. When you notice any of these signs, it’s time to consider reconditioning.
There are several key advantages to reconditioning PCD tools. By removing worn-out diamond segments and replacing them with new ones, reconditioning services allow your tools to restore their cutting performance, allowing for prolonged efficiency and productivity.
Along with extending tool life, you can leverage reconditioning services including:
Saving on cost: PCD tools have an initial high-cost investment compared to traditional solid carbide cutting tools. By reconditioning these tools, you can significantly reduce expenses.
Reducing downtime: Replacing old PCD tools with new ones can cause long delays due to buying, setting up, and programming the tools. Reconditioning, on the other hand, offers a quicker turnaround time. This minimizes production interruptions and allows for seamless workflow continuity.
Sustainability and environmental benefits: Refurbishing and reusing tools reduces the demand for new tool production, resulting in a decreased environmental footprint. Additionally, reconditioning processes often involve recycling or repurposing the carbide portion of the tool, further reducing waste.
Customization: Here is where you can customize any tooling requirements based on specific machining needs. During reconditioning, changes can be made to the tool's shape, cutting-edge, or coating to improve its performance for specific uses.
Reconditioning PCD tools helps maintain their cutting performance, ensuring consistent and high-quality results. Over time, the diamond segments on PCD tools can wear out or become damaged, leaving burrs.
By reconditioning, the worn PCD segment of the tool is removed, and a fresh diamond segment is applied. This process restores the sharp cutting edges, allowing the tools to effectively machine various materials with precision, resulting in improved surface finish, dimensional accuracy, and reduced scrap rates.
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