How did China's six-anvil press technology achieve a historic surpassing of European and American enterprises?
Release time:
2026-03-02
source:
1. Comprehensive breakthroughs in core technologies and innovative absorption China has broken through technical bottlenecks and made great progress in the three most basic and important aspects of diamond synthesis:
Equipment: Achieved the large-scale development of presses.
Raw materials: Optimized the composition and oxygen content of graphite and alloy catalysts, and improved the assembly structure of the synthesis blocks.
Synthesis process: Improved the control methods for high pressure and high temperature. At the same time, Chinese researchers did not work behind closed doors, but successfully learned from and absorbed the raw materials and process technology achievements successfully used by European and American countries in two-anvil presses.
2. Ingeniously solving the structural problems of foreign two-anvil presses Through continuous research, development, and improvement, the special six-anvil presses manufactured in China have surpassed the most advanced foreign two-anvil presses in structural design. The main engine and high-pressure mold of China's six-anvil press have a reasonable and ingenious structure, which effectively solves the unavoidable high-pressure deformation problem existing in foreign two-anvil presses.
3. Possessing overwhelming cost and production advantages China's six-anvil presses, which have completely independent intellectual property rights, possess the significant advantages of low cost, convenient operation, and long service life. These advantages have led to a drastic reduction in the production cost of superhard materials, far below the production cost of European and American two-anvil presses, thereby giving Chinese products a strong market competitiveness that surpasses two-anvil products.
4. Product quality reaching the world's top level Technological breakthroughs are directly reflected in product quality. In the past, people mistakenly believed that six-anvil presses could not produce good diamonds. However, today, the diamonds produced in China have reached the level of high-end products such as the US MBS900 series and the UK/German SDA, SDB, and DSN series in key indicators such as coarse granularity, high toughness (impact toughness TI value reaching over 95, thermal impact toughness TTI being very close to TI), and high strength (single-particle static pressure crushing load value far exceeding 100kg).
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