It is understood that the coated tool has the characteristics of high surface hardness, good wear resistance, stable chemical properties, heat resistance and oxidation resistance, low friction coefficient and low thermal conductivity. The reason is that the coating material acts as a chemical barrier and a thermal barrier, which reduces the diffusion and chemical reaction between the tool and the workpiece, thereby reducing the wear, which increases the tool life by more than 3 to 10 times and the cutting speed by 20% to 100%. It can be said that the cutting speed is increased by 20% to 100%. A thin layer of coating carries the core technology of the tool.
The new Ti-Al-XN coating technology utilizes a vapor deposition method to coat a high-strength tool substrate with a few micron high-hardness, high-wear refractory Ti-Al-XN coatings to reduce tool wear and extend life. Improve the cutting speed. It is an important achievement of the national major special projects of high-end CNC machine tools and basic manufacturing equipment.
This technology breaks the monopoly of foreign companies in the field of high-end tool coating technology, improves the localization rate of high-grade coating tools, and lays a solid foundation for key users such as automobiles and aviation to improve production efficiency and reduce production costs.
It is an indisputable fact that China is a big manufacturing country. However, there is still a gap in the technology of CNC cutting tools in China compared with foreign countries, which is highlighted in the basic research of advanced coating manufacturing and coating technology.
The successful application of Ti-Al-XN new coating technology has broken the monopoly of foreign strong enterprises in the high-end tool field, laying a solid foundation for improving the localization rate of tools, and creating conditions for better meeting the needs of key industries. Has significant economic and social benefits.
Bearing tool core technology: Machine tools are called machines that make machines. If the high-end CNC machine tool is a modern industrial civilization, then the high-end carbide precision tool is the diamond on the art, and the diamond shines from the precision coating of a few microns thick on the surface of the tool.
The coated tool has the characteristics of high surface hardness, good wear resistance, stable chemical properties, heat and oxidation resistance, low friction coefficient and low thermal conductivity. The reason is that the coating material acts as a chemical barrier and a thermal barrier, which reduces the diffusion and chemical reaction between the tool and the workpiece, thereby reducing the wear, which increases the tool life by more than 3 to 10 times and the cutting speed by 20% to 100%. It can be said that the cutting speed is increased by 20% to 100%. A thin layer of coating carries the core technology of the tool.
At present, the proportion of coated tools in cutting tools has reached 80%. Due to the monopoly position of foreign companies in the field of high-end tools, in the field of CNC machine tools in China, the position of cutting tools and their core coating technology has been paid more and more attention. Technological breakthroughs have been included in a number of research topics.
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