The Gemological Institute of America (GIA) announced it graded the largest faceted blue synthetic diamond ever examined by the organization.
The largest application of CBN products is in manufacturing CBN grinding wheel. In four bonding agents of CBN grinding wheel ( resin, ceramic, metal, electroplating), ceramic bond CBN abrasives products have the fastest growing speed.
Researchers at North Carolina State University have developed a new method for converting hexagonal-boron nitride directly into cubic-boron nitride that is faster and less expensive than previous processes.
Because of these advantages, high speed and ultrahigh speed grinding of electroplated grinding wheel has dominated the undisputed leading role.But electroplated diamond grinding wheel also have some disadvantages
Advanced cutting tools are one of the important factors to improve production efficiency of the manufacturing industry. Statistics indicate that advanced cutting tools can improve production efficiency substantially by saving 10% to 15% production costs.
In recent years, with the development of the industry at a faster speed and the fierce competition in the industry, China's enterprises in the field of superhard materials and products have also encountered some risk factors.
In the production process of diamond micro-powder, there is an acid and alkali treatment for raw materials and products, which will emit harmful gases and waste water that will harm operators and pollute the environment.
In the long run, the lab can produce zirconia that is the inevitable result of the development of science and technology. Synthetic diamond will cause certain impact on natural diamond market.
CBN crystal has sphalerite structure, good thermal stability and chemical stability. Its hardness is second only to diamond, and resistant to high temperature above 1000 ℃.
Quality control of diamond micro-powder particle size is an important link in the process of production, and there are many instruments that can be used.
How to evaluate the quality of diamond micro-powder? It is a common concern by diamond micro-powder manufacturers and users.
How to develop a kind of alternative green energy catalyst is a hotspot and key point of research in recent years. Nano diamond is a kind of sp3 hybridization non-metallic carbon materials.
It is a kind of ideal raw material for grinding cemented carbide, ceramics, gems, optical glass and other materials with high hardness. Under the weak economic environment, what is the development status of domestic diamond micro-powder industry?
Many synthetic diamond manufacturers and companies have always regarded "Open and Transparent" as the objective of diamond sales and insurmountable bottom line.
Diamond exposed on the surface of stone sawing machine will affect the cutting depth of each particle. That is to say, it influences the material removal rate of stone sawing machine.
As the forming method of diamond roller not only has a short finishing time, but also can trim out various modalities, keep good surface precision, and is convenient for finishing operation, whose using effect has gradually been recognized by people.
We should select different grinding wheels for different workpiece materials and different processing requirements. Even if it is the same workpiece material, the grinding ratio of different type grinding wheel may differ.
Diamond micro-powder is an ideal raw material for grinding cemented carbide, ceramics, gems, optical glass and other high hardness materials. What's the changing trends of its current applications?
At present, the cutting tool materials on the market include cemented carbide cutting tool, ceramic cutting tool and cubic boron nitride (CBN)cutting tool, and manufacturers must understand their performances of the above three kinds of cutting tools.
According to the latest research report from Bain & Company (Bain & Co.), the sale of natural diamond is not optimistic, the highest retail sale of diamond jewelry has rosen only 2% this year, which is lower than the growth of 4% last year.
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