In order to meet the strict requirements of international environmental protection standards, the circular economy concept of comprehensive utilization of wood and continuous supply of raw materials has promoted the rapid development of the wood processing industry. As a result, Rizhao Longte Mechanical Tool Research Institute has developed vacuum heat treatment and cryogenic technology for woodworking tools. This technology has been applied to Longte mechanical tool products and will be unveiled at the upcoming 12th International Exhibition on Woodworking Machinery and Furniture Manufacturing Equipment/12th International Furniture Accessories, Materials and Wood Products Exhibition.
It is understood that the tool vacuum heat treatment technology has a series of outstanding advantages: vacuum heat treatment has anti-oxidation effect. The surface is not oxidized, decarburized, and has the effect of reducing and removing rust, eliminating the rough processing of the tool, saving the consumption of expensive tool steel and raw and auxiliary materials, saving processing time and reducing product cost; vacuum heat treatment has vacuum degassing, There is no danger of hydrogen embrittlement in degreasing, which prevents the surface of the tool material from embrittlement, which increases the surface purity of the tool material, improves the fatigue strength, plasticity and toughness and corrosion resistance of the tool, and improves the service life of the tool. The vacuum heat treatment has quenching. The deformation is small, the correction stress of the conventional quenching deformation can be reduced, and the possibility of fracture during the use of the blade can be reduced. The deformation of the vacuum heat treatment blade is 1/2-1/10 of the salt bath quenching, and the quenching generally does not require correction. Grinding to the finished product; the vacuum heat treatment process is stable and repeatable. Once the process is determined, the heat treatment operation will run automatically as soon as the process is entered. Avoid the tool quality fluctuation caused by the instability of the conventional heat treatment process; vacuum heat treatment consumes less power, the electric energy consumption is 80% of the conventional heat treatment, the production cost is low, but the one-time investment cost is large; the vacuum heat treatment operation is safe, the automation degree is high, and the working environment is good It is pollution-free and pollution-free, in line with the requirements for cleaner production and sustainable development of industrial enterprises in China.
The application of cryogenic technology in tooling products has evolved from the mold industry application. Cryogenic treatment, like heat treatment, has a lot to do with material properties, processing temperature, and processing speed. Different treatment methods have different effects. Cryogenic technology is a process for processing materials below -130 ° C. Cryogenic treatment can not only significantly improve the mechanical properties and service life of the tool, stabilize the size, improve uniformity, reduce deformation, but also easy to operate without damage. The workpiece, non-polluting, low cost, is of great help to the improvement of tool quality.
It is understood that the tool vacuum heat treatment technology has a series of outstanding advantages: vacuum heat treatment has anti-oxidation effect. The surface is not oxidized, decarburized, and has the effect of reducing and removing rust, eliminating the rough processing of the tool, saving the consumption of expensive tool steel and raw and auxiliary materials, saving processing time and reducing product cost; vacuum heat treatment has vacuum degassing, There is no danger of hydrogen embrittlement in degreasing, which prevents the surface of the tool material from embrittlement, which increases the surface purity of the tool material, improves the fatigue strength, plasticity and toughness and corrosion resistance of the tool, and improves the service life of the tool. The vacuum heat treatment has quenching. The deformation is small, the correction stress of the conventional quenching deformation can be reduced, and the possibility of fracture during the use of the blade can be reduced. The deformation of the vacuum heat treatment blade is 1/2-1/10 of the salt bath quenching, and the quenching generally does not require correction. Grinding to the finished product; the vacuum heat treatment process is stable and repeatable. Once the process is determined, the heat treatment operation will run automatically as soon as the process is entered. Avoid the tool quality fluctuation caused by the instability of the conventional heat treatment process; vacuum heat treatment consumes less power, the electric energy consumption is 80% of the conventional heat treatment, the production cost is low, but the one-time investment cost is large; the vacuum heat treatment operation is safe, the automation degree is high, and the working environment is good It is pollution-free and pollution-free, in line with the requirements for cleaner production and sustainable development of industrial enterprises in China.
The application of cryogenic technology in tooling products has evolved from the mold industry application. Cryogenic treatment, like heat treatment, has a lot to do with material properties, processing temperature, and processing speed. Different treatment methods have different effects. Cryogenic technology is a process for processing materials below -130 ° C. Cryogenic treatment can not only significantly improve the mechanical properties and service life of the tool, stabilize the size, improve uniformity, reduce deformation, but also easy to operate without damage. The workpiece, non-polluting, low cost, is of great help to the improvement of tool quality.
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