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234. Analysis of industry trends mold

1, mold market globalization, the mold further reduce the production cycle

Mold the globalization of markets is the most important features of today's mold industry is one of the mold buyers and manufacturers all over the world, the globalization of the development of tooling industry to the production process is simple, low precision mold processing enterprises to the technology is relatively backward in productivity than Countries with low migration, mold manufacturing enterprises in developed countries are located in the production of high levels of mold, mold manufacturing enterprises have to face global competition, manufacturers have to die while doing everything possible to speed up the production progress, efforts to simplify and abolishes necessary to the production process, the mold production cycle will be further reduced.

2, Die CAD / CAM to the integration, intelligence, and network development

More complete software modules, while the function module using the same data model and implement integrated management and sharing of information, support mold design, manufacturing, assembly, inspection, testing and production management of the entire process. Some series software includes a surface / solid geometric modeling, engineering drawing complex geometry, advanced rendering industrial design, mold design expert system, complex physical CAM, artistic design and sculpture automatic programming system, reverse engineering system and the complex physical-line measurement system ; mold design, analysis, manufacturing three-dimensional technology, paperless new generation of software to three-dimensional mold, intuitive sense to design the mold, using three-dimensional digital model can be easily used in the product structure of the CAE analysis, mold can produce evaluation and CNC machining, forming process simulation and information management and sharing; the same time as competition, cooperation, production and management of globalization and internationalization, and rapid development of computer hardware and software technology, network Shide Zai die industry virtual design, agile manufacturing technology both necessary and possible.

3, mold technology to high speed machining, hard milling and compound machining direction

High-speed machining to the workpiece surface was smooth, save processing time, typically only a step away from 0.0254mm, and sharp point only 0.001mm high, after the majority of high-speed machining of the workpiece surface is very smooth, no fitter further processing. Currently, machine tool manufacturers are keen on the production process and the specially designed high-speed machining center, high-speed processing technology in the United States to reduce or eliminate fitter process is a considerable efficiency measures, this technology in Europe and Japan popular. In addition, hardening of the material processing with a full mold cavity mold processing industry is another important trend. High spindle speed and a small tool radius cutting carried out by the formation of mildly enough torque, can be used to process up to 64HRC hardness of metal materials, because no need for heat treatment, conventional heat treatment and tempering after the offset caused by the heat treatment carried out by the geometric deformation of grinding also do not need, and the technology in Japan, the acclaimed, now in the United States has also been a lot of attention and positive spread in Europe.

4, mold will be large, precision, standardization direction

On the one hand increasingly large part of molding and to improve production efficiency development of "a multi-cavity mold," led to mold growing large, the other electronic information industry, medicine, rapid development has brought parts of miniaturization and precision, some tolerance precision mold requires less in the 1µm. Another multi-functional composite mold will develop further, in addition to the new multi-functional composite mold Stamping parts, also responsible for layers, tapping, riveting and assembly tasks such as locking, to further improve production efficiency.

5, the hot runner mold species, mold and adapt to the high-pressure gas-assisted plastic molding direction

Mold with hot runner technology can improve productivity and quality of workpiece, and can produce significant savings of raw materials, many foreign plastic mold factory produced more than 50% of plastic molds using hot runner technology, and some have more than 80% The effect is obvious; Gas-assisted injection molding with injection pressure is low, Warpage small, good surface quality and easy-to-wall forming larger products, such as differences in advantages in the premise of ensuring product quality and substantially reduce costs; high-pressure injection molding of resin shrinkage can be forced to increase the dimensional stability of plastic parts; another injection compression molding technology, enables forming a small piece of local internal strain can be less thick Molding shrinkage, while the narrow components for plastic parts can also be injected resin, and used a small injection of power to get good products, these technologies are gradually promoting the use of.

6, high-quality mold materials and advanced surface treatment technology attention

Mold surface is the main trends: the infiltration of a single element to the multi-element penetration, complex permeability development, from the general diffusion to CVD, PVD, PCVD, ion penetration, the direction of ion implantation, etc., can be used in the coating are: TiC, TiN, TiCN, TiAlN, CrN, Cr7C3, W2C, etc., while heat means heat from the atmosphere to the development of vacuum heat treatment. Currently laser strengthening, glow plasma nitriding and electroplating (plating) enhanced anti-corrosion technologies are also more and more attention.