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Bite off the bones of scientific research! From a lot of tungsten resources to tungsten making energy is behind their decades of perseverance

  • Mosten
  • 21 Feb

China controls 50% of the worldundefineds tungsten, but it is a major source of metals, not a major producer. Years ago, we could only export low-end tungsten concentrate for foreign exchange, and even tungsten powder could not be treated. At that time, a ton of tungsten concentrate exports only 70,000 yuan, but a tonne of pure tungsten powder imports as high as 800000 yuan, high-end technology is entirely controlled by foreign enterprises. It was this group of engineers that repeatedly tested, developed their own conventional equipment, developed high performance tungsten carbide powder, tungsten key technologies and ion exchange methods in 2011, 2014, 2008, won the first and second prize of the National Science and Technology Progress Award. China exports only the main ingredients of magic are broken, the company officially become a key step in the export of advanced tungsten carbide materials. Use high-quality tungsten powder to grind the knife to the sky. They are not satisfied. They must make high-quality tungsten gold knives. Cemented carbides are known as industrial "teeth". The success of the tool, a seemingly good but essential building tool, spacecraft and large aircraft, marks the end of 30 years of foreign technological monopolies. Now, engineers are challenging the worldundefineds smallest end-milling cutter with spiral blades, with a diameter of just 0. 03 mm. This is a special tool for the manufacture of aerospace military instruments. In the first room of the mill, Senior engineer Li spent nearly a year of sleepless nights with his team in order to overcome the difficulties of 0.03 mm spiral blade end milling cutters. Combined with hundreds of continuously detected grinding process parameters, under the electron microscope under 3000 times, this kind of 0.03 mm high precision double-edge spiral end milling cutter detection, each index is up to the standard. After the precision control of world-class grinding process is realized, the working efficiency will be improved. Engineers in raw materials research and development, grinding processing, the next goal is to position the painting process, coating is an effective means to ensure that modern cutting tools become high-tech products. Ultra-thin, ultra-smooth high hardness coating can double the cutting performance and service life of alloy tools, thus entering the high-end alloy cutting tool market. All along, the core technology of coating process has been controlled and blocked by foreign companies. But Chinese engineers are still experimenting with Chinaundefineds own research and development, determined to bite down this hard science. After making tungsten and gold tools for Chinaundefineds large aircraft, fighter jets and other high-end aerospace equipment, the processing raised the value of the most basic tungsten deposits to 6 million tons. Their knives are exported to more than 30. Countries and regions, including the United States and Europe. In the ever-changing external environment, technological advantages provide a wider choice for enterprises.

Tags :
tungsten