In recent years, the level of plastic mold manufacturing in China has been greatly improved. Large plastic molds have been able to produce a single set of injection molds with a weight of more than 50t. The precision of precision plastic molds has reached 2μm. Small mold gear molds with high precision of parts and headlight molds with high optical requirements have also been produced. Multi-cavity plastic molds have been able to produce a 7800-cavity plastic mold. High-speed molds have been able to produce high-speed plastic profile extrusion dies with extrusion speeds of up to 6 m/min and double-cavity co-extrusion of main profiles. Soft and hard co-extrusion, post-coextrusion, re-compressed co-extrusion and low-foam steel-plastic co-extrusion and other molds. In terms of production methods, the numerical control rate of mold enterprise equipment has been greatly improved, the application of CAD/CAE/CAM technology has been greatly expanded, and the adoption of advanced technologies such as high-speed machining and RP/RT has been increasing. The coverage rate of the parts and the commercialization rate of the molds have been greatly improved, and the proportion of hot runner molds has also been greatly improved.
After several years of development, the development, innovation and enterprise management of plastic molds have shown some new development trends:
1. In the four elements of mold quality, delivery cycle, price and service, more and more users have placed the delivery cycle in the first place. It has become a trend to require mold companies to deliver as soon as possible. It is an effective means for enterprises to improve their adaptability, improve the technical level, improve the equipment level, improve the management level and improve the efficiency.
2. Vigorously improve the development capability, push the development work forward as much as possible, until it is involved in the product development of the mold user, and even develop before the explicit user object, and become passive. At present, TV and display housings, air conditioner housings, motorcycle plastic parts, etc. have adopted this method, and the development of mobile phone and telephone molds has also begun. This kind of practice has broken the passive situation that the mold factory can only wait for the contract to be able to design the mold according to the user's requirements.
3. With the improvement of the design and processing level of mold enterprises, the manufacture of molds has been changed from relying on the skills of fitters to relying mainly on technology. This is not only a change in production means, but also a change in production methods and an increase in ideas. This trend has led to the continuous improvement of the standardization of the mold, the higher and higher precision of the mold, the shorter and shorter production cycle, and the lower and lower proportion of the fitter, which has finally promoted the overall improvement of the overall level of the mold industry. China's mold industry has more than 10 state-level high-tech enterprises, about 200 provincial and municipal high-tech enterprises. In line with this trend, it is inevitable that the main backbone of production molds will gradually change from skilled talents to technical talents. Of course, at present and for a long time, skilled talents are still very important, because the mold is difficult to completely get rid of the dependence on skills.
4. Mold enterprises and their mold production are rapidly developing into information technology. In the information society, as a high-level modern mold enterprise, the application of CAD/CAM alone is far from enough. At present, many enterprises have adopted CAE, CAT, PDM, CAPP, KBE, KBS, RE, CIMS, ERP and other advanced manufacturing technologies and virtual network technologies, which are all manifestations of informationization. The trend towards the development of information technology has become an industry consensus.
5. With the continuous advancement of human society, molds will inevitably develop into a wider range of fields and higher levels. Now, the mold enterprises that can seize the opportunity and open up the market, and constantly discover new growth points and the business that can produce high-tech mold enterprises are very prosperous, and the profit level and employee income are very good. Therefore, mold companies should grasp this trend and continuously improve their comprehensive quality and international competitiveness.
6. The molds of developed industrial countries are accelerating their transfer to China. Their performance is as follows: first, move the factory, second, invest, and third, purchase. China's mold companies should seize the opportunity to borrow and learn advanced foreign technology and accelerate their pace of development.
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