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Brief introduction to the design and manufacture of diamond cutters

In 1955, scientists from GE in the United States successfully constructed a jewel-grade diamond weighing approximately 1 carat, and its physical properties are currently the best. 99.9% of this diamond component is the carbon isotope C12, which has a thermal conductivity 50% better than natural diamond and 850 times faster than copper. Recently, many media have also revealed that this diamond is by far the best thermal conductor, and together it can resist the damage caused by high-power laser. Once again, these reports have made many people think about it. They need to replace the natural diamonds with artificial diamonds to round their diamond dreams. However, artificial diamonds are more expensive, and because of their outstanding physical properties, they are more suitable for the field of skills.

Since 1958, graphite has been converted to diamond using high pressures of 60 to 70 kilobars and high temperatures of 1200 to 1500 degrees Celsius. This composition process has been continuously improved over the next few years. This composition of diamond, and subsequent use of a similar process of cubic boron nitride has also become the basis for the later cutting of polycrystalline cutting materials such as stone, wood, plastic and metal.

Today, polycrystalline cutting things are no shortage in the field of manufacturing skills. In the early days, people focused on the development of highly efficient abrasive materials. Around 1972, the US company selected a special process to successfully produce a polycrystalline diamond blade consisting of micron-sized diamond crystals.

A year later, the same skills were also applied to cubic boron nitride. The diamond crystal placement of the polycrystalline cutting material is non-oriented, so the hardness and anti-wear type of the diamond layer are evenly distributed in all directions. In sharp contrast to the single crystal natural diamond, the polycrystalline material has no weak bond layer, and the hardness of each bond layer is not good or bad, so there is no peeling phenomenon. Therefore, the PKD insert does not need to correct its feed direction to achieve the best cutting results. Assuming that conventional carbide or ceramic tools do not meet the desired cutting process requirements or their service life is too short, please use polycrystalline diamond tools, which can provide you with faster cutting speed, higher machining accuracy and Longer tool life and then advance the quality of your product.