can be calculated by the finite element method of stress magnitude different speeds to simulate the failure process and improve the design.
2013年7月27日星期六
Diamond Tool
Composite tools both high wear resistance of the single crystal diamond cutter, edge quality, high precision, high hardness, high thermal conductivity and high
chemical stability and other characteristics and high toughness PCD composite tools, the crystal of the same sex, Size and shape ease of processing, etc.; avoid
PCD composite tools due to a combination of chemical agents Cobalt brings problems caused by poor thermal stability, hardness and wear resistance is much higher than
the PCD tool, close to single crystal diamond; while CVD diamond composite tools but also avoid the single-crystal diamond crystals Straight-sided cracking the case
brought by
Is to solve the single-crystal diamonds by size constraints, resources are Diamond blade scarce, expensive ideal substitute.
CVD diamond tools developed in foreign countries is very mature, not only in the field of many high-end finishing gradual replacement carbide cutting tools , ceramic
cutting tools PCD tool and has become a strong competitor; has become the most widely used CVD diamond fields. The development of space
Very large.
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Polycrystalline diamond cutting tools PCD high temperature high pressure conditions by cobalt and other metal-bonded to synthetic diamond powder sintered polycrystalline material gathered, also known as sintered diamond.
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