Zheng Ming, Vice Minister of Technology, Wuhu Shengli Brake Co., Ltd.
With the development of science and technology and productivity, the market demand for products is increasingly sophisticated, complex, and frequent, and in the manufacturing industry, the tool products with large usage and wide influence are molds.
One of the important signs of measuring the level of a country's technology is to look at the level of her mold. To have a high quality product, you must have a high level of mold. At present, the mold has completed 75% of rough processing of industrial products, 50% of finishing and 90% of plastic parts.
At present, human society is transitioning from the steel age to the polymer age.
The use of engineering plastics and rubber products in industrial products and daily life far exceeds that of steel products. The polymer must be formed by a mold. Therefore, the application amount of the mold is constantly expanding. On the other hand, as product speeds up, mold making becomes the key to new product development. In the early 1990s, the delivery time of large and complex molds was 24 months. By the mid-1990s, the delivery time of similar molds had been changed to 12 months. At present, it has been shortened to about half a year. This poses a serious challenge to the traditional mold processing techniques and methods.
(1) The traditional processing mode uses mechanical processing as the main means to process the various parts of the mold, which is generally completed on the machining center. In the process of processing, most of the time is used in semi-finishing and finishing, and the use of high hardness, wear-resistant mold materials, making processing more difficult, too long, processing accuracy and surface quality It is difficult to guarantee. For workpieces with high machining accuracy and surface quality requirements, it takes a lot of time to manually correct the polishing. It is even more difficult to deal with parts that encounter small holes, thin walls, narrow grooves, and various complicated and different wall surfaces.
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