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Hardware mold manufacturing accessories characteristics
Release time: 2023-05-23
In addition to the requirement of high enough strength and toughness, the surface property of metal mold manufacturing parts is also crucial to the working performance and service life. The improvement of these properties only depends on the improvement and improvement of the substrate, its role is very limited and uneconomic, and technology can often achieve twice the result with half the effort, which is also the reason for the rapid development. Die polishing is an important part of engineering and an important post-processing procedure in the manufacturing process of hardware die. Due to some problems in domestic polishing technology and materials, injection moulds for point-and-shoot camera lenses, CDS, VCDS, tools with high transparency requirements are still largely dependent on imports.
The mirror die material is not only the problem of chemical composition, but more importantly, it needs to go through a series of advanced processes such as vacuum degasing, argon protected ingot casting, vertical continuous casting and rolling, soft forging, etc., which make the internal mirror die steel tools have fewer defects, fine impurity particle size, high dispersion, fine metal grain size, good uniformity and so on, so as to meet the requirements of polishing the die steel into a mirror.
The surface treatment technology of hardware mold manufacturing is a systematic engineering to change the surface morphology, chemical composition, structure and stress state of precision mold parts through surface coating, surface modification or composite treatment technology, so as to obtain the required surface properties. The nitriding process includes gas nitriding, ion nitriding, liquid nitriding and so on. Within each nitriding method, there are several nitriding techniques that can be adapted to the requirements of different types of steel and different workpieces. From the surface treatment methods can be divided into: chemical, physical, physical chemistry and mechanical.
It is worth noting that the surface polishing of hardware mold manufacturing is not only affected by polishing equipment and technology, but also affected by the mirror of the material, which has not caused enough attention, that is to say, polishing itself is limited by the material. Although there are many new treatment techniques aimed at improving surface properties, nitriding, carburizing and hardening film deposition are mainly used in metal mold manufacturing. Because the nitriding technology can form a surface with excellent performance, and the nitriding process is well coordinated with the quenching process of steel, and the nitriding temperature is low, there is no need for strong cold after nitriding, and the deformation is small. Precision die parts are very small, so surface hardening is an early emerging nitriding technology, and it is widely used.
Mold is a model, the product is made in accordance with this, but how to produce it, in addition to professional, most people can not answer. It plays an irreplaceable role in our life. Most of the daily necessities are inseparable, such as computers, telephones, fax machines, keyboards, water cups, etc., not to mention plastic products such as cars and motorcycle engines. Therefore, the role of metal mold manufacturing in modern life is irreplaceable.
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