Abstract The price of tungsten has risen sharply in recent days. In order to meet the domestic consumption of tungsten metal, China has recently taken some measures to reduce the export of tungsten. This move has had a certain impact on the price of tungsten. According to industry estimates, China controls 75% of the world's tungsten reserves and provides...
The price of tungsten has risen sharply in recent days. In order to meet the domestic consumption of tungsten metal, China has recently taken some measures to reduce the export of tungsten. This move has had a certain impact on the price of tungsten. According to industry estimates, China controls 75% of the world's tungsten reserves and supplies 85% of its tungsten consumption. The most affected are cemented carbide products such as cutting tools, which account for more than half of all tungsten demand. As tungsten prices rise, cutting tool suppliers feel price pressures. The product manager of Ingersoll Cutting Tools, Rockford, Ill., USA, gave a solution to this situation: using carbide only in the tip. These tools offer an economical compromise between high speed steel knives and solid carbide tools. The savings in raw materials for this type of solution are unquestionable, but this approach has a fatal flaw: these replaceable tool tip "plug-in" tools, which add up to the cost of the manufacturing process and the savings in raw materials. Moreover, this tool changes the principle of insert-type carbide tools to make them smaller-edge tools, which are often not candidates for the best interchangeable blades. So-called “plug-in†tools that have been saved by complex processes have not actually improved tool performance significantly, and this process is generally used in PCBN tools or PCD tools, along with domestic PCBN and PCD manufacturing techniques. Progress, the prices of these two materials have been falling. Based on this thinking, the sharp increase in tungsten prices is more powerful for PCBN and PCD tools, which will speed up the replacement of cemented carbide tools by the two tools. The overall improvement will have a huge impetus (the use of PCBN or PCD tools, post-processing precision, etc. will have an overall improvement, and there will be invisible help for the entire industrial base upgrade.
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