Main performance indicators of PCD tools

Speaking of PCD tools, many people may not know about it. PCD tools are tools made of superhard material PCD, which have the advantages of high hardness, low friction coefficient, low thermal expansion coefficient, wear resistance, and long life. So what are the main performance indicators of PCD tools? The following editor of Zhongyeda will introduce them to you.

Main performance indicators of PCD tools:

1. The hardness of PCD can reach 8000HV, which is 8 to 12 times that of cemented carbide;

2. The thermal conductivity of PCD is 700W/mK, which is 1.5 to 9 times that of cemented carbide, even higher than PCBN and copper, so PCD tools transfer heat quickly;

3. The friction coefficient of PCD is generally only 0.1 to 0.3 (the friction coefficient of cemented carbide is 0.4 to 1), so PCD tools can significantly reduce cutting force;

4. The thermal expansion coefficient of PCD is only 0.9×10^-6 to 1.18×10^-6, which is only 1/5 of that of cemented carbide, so PCD tools have small thermal deformation and high processing accuracy;

5. The affinity between PCD tools and non-ferrous metals and non-metallic materials is very small, and chips are not easy to stick to the tool tip to form built-up edge during processing. To sum up, these are the main performance indicators of PCD tools. PCD tools can be used to process workpieces of various materials, including copper, aluminum, copper alloys, aluminum alloys and composite materials. They can also be used to process cast aluminum alloy engine casings.