In the past two years, China’s domestic mold technology has made rapid progress. The main manifestations are: the popularization of mold integrated manufacturing units and technologies; the extension of the commercial Internet to molds and their industrial chain; the wide application of 3D printing in mold manufacturing; Intelligence; the emergence and optimization of new lightweight materials and large-scale plastic molds; the maturity of large-scale progressive die technology; the refinement of standard parts, etc.
(1) The popularization of integrated mold manufacturing unit and technology. In addition to the functions of automatic feeding, stamping and forming, lamination measurement, thickness grouping, iron core assembly and product output, and hinge assembly and connection, the mold also has complex motion structures, in-mold heating, forging, local heat (organization) control, and mold Process combination processes such as internal welding, tapping, partial injection molding, in-mold cutting, and in-mold inspection. It is particularly worth mentioning that the new technologies such as the in-mold eager cutting of plastic parts, the in-mold eager cutting of boron steel plates, and the variable edge punching of motor pen-shaped iron cores that appeared at this exhibition have created a new era of integrated mold manufacturing units. Mold products continue to develop in the direction of large-scale, precise, high-performance, and integrated manufacturing units.
(2) The commercial Internet extends to the mold and its industrial chain. At present, many mold processing equipment companies have also connected to the Internet, actively creating a "mold manufacturing + Internet" model, which has strongly promoted the transformation and upgrading of the mold industry.
(3) 3D printing is widely used in mold manufacturing. The application of 3D printing to produce mold cavities is a new trend in the development of cavity molds. Metal additive-subtractive composite manufacturing technology is an important direction in the field of 3D printing today. At present, 3D layer-by-layer additive forming, combined with high-speed milling, layer-thickness contour reduction and finishing, realizes high-precision manufacturing of complex metal parts.
(4) Intelligentization of molds. At present, in the plastic mold and die-casting mold industries, molds with intelligent control of the pressure, temperature, flow rate, and cooling process of the mold cavity have appeared. In addition, the intelligentization of mold processing equipment is also rapidly advancing the intelligent manufacturing of molds.
(5) The emergence and optimization of new lightweight materials and large plastic molds. With the development of lightweight automobiles, new lightweight materials emerge in an endless stream. Domestic mold companies have begun to respond to this change by developing lightweight new material automotive panel molds and large-scale composite molds.
(6) The maturity of large-scale progressive die technology, high speed and high reliability have become an important feature of precision progressive die. At present, large-scale progressive stamping parts abound, with parts becoming larger in size and more complex in shape, showing that the technology of large-scale progressive stamping dies has entered a mature stage. The high-precision and precision progressive die has higher and higher requirements for the stability and reliability of production, and it has become an important means of competition for mold manufacturers. Obviously, the mold design and manufacturing technology of ultra-large forming parts and small ultra-precision parts has become a hot spot for mold companies.
(7) Standard mold parts tend to be refined. In recent years, with the improvement of mold types and requirements, mold standard parts have become an important condition for mold companies to participate in international competition. Large varieties and detailed classification are the main trends of current mold standard parts. There are more and more traditional standard parts, and the quality requirements are getting higher and higher. New functional structure standard units and standard parts with more manufacturing flexibility are becoming more and more important, becoming new directions for new technologies and innovations to enhance competitiveness.
It can be seen from the above that the current Chinese mold technology has developed to another new stage, but if you want to get a greater breakthrough, you need to continue to optimize.