PVC leather welding machine.How about the surface treatment technology of ultrasonic compound embossing machine

　　In addition to requiring the matrix to have a reasonable match of high enough strength and toughness in the work of the embossing machine die, its surface performance is crucial to the working performance and service life of the die. These surface properties refer to: wear resistance, corrosion resistance, friction coefficient, fatigue performance, etc. The improvement of these properties, relying solely on the improvement and upgrading of the base material is very limited and uneconomical, and through surface treatment technology, it is often able to receive twice the result with half the effort, which is also the reason for the rapid development of surface treatment technology.

　　Embossing machine surface treatment technology is a system engineering that changes the shape, chemical composition, organizational structure and stress state of the die surface through surface coating, surface modification or composite treatment technology to obtain the required surface properties. From the way of surface treatment, it can be divided into: chemical method, physical method, physical chemical method and mechanical method. Although new treatment technologies aimed at improving the surface properties of molds continue to emerge, the main applications in mold manufacturing are nitriding, carburizing and hardening film deposition. Nitriding process has gas nitriding, ion nitriding, liquid nitriding and other ways, each of which has several kinds of nitriding technology, which can adapt to the requirements of different steel types and different workpieces. Because the nitriding technology can form a surface with excellent performance, and the nitriding process has good coordination with the quenching process of die steel, at the same time, the nitriding temperature is low, the nitriding does not require white heat cooling after nitriding, and the deformation of the mold is very small, so the surface strengthening of the mold is the earliest and most widely used nitriding technology.

　　The goal of mold carburizing is mainly to improve the overall strength and toughness of the mold, that is, the working surface of the mold has high strength and wear resistance, and the technical idea introduced is to replace the higher-grade material with a lower-grade material, that is, by carburizing and quenching, so as to reduce manufacturing costs. Hardened film deposition technology is currently more mature CVD In order to increase the bonding strength of the surface of the film layer, a variety of enhanced PVD technologies have been developed.

　　Hardened film deposition technology was first applied to tools (cutting tools, cutting tools, measuring tools, etc.), with excellent results, and a variety of tools have been coated with hardened film as a standard process. The mold has been coated with hardened film technology since the last century. Under the current technical conditions, the cost of hardened film deposition technology (mainly equipment) is higher, still only in some precision, long-life mold application, if the construction of heat treatment center, the cost of coating hardened film will be greatly reduced, more and more molds if the use of this technology, can improve the overall level of mold manufacturing in China!

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