The hottest technology level is uneven. Independen

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The technological level is uneven, and the independent innovation ability of China's foundry equipment enterprises is insufficient

at present, the global manufacturing industry has entered an unprecedented era of innovation intensity and industrial change. The intelligent manufacturing with digitalization, intelligence and networking as the core is bringing disruptive changes to the manufacturing industry around the world. In recent years, all industrialized countries have put forward forward forward forward-looking national manufacturing development blueprints, and take the development of intelligent manufacturing as the main countermeasure, in order to seize the leading and dominant position in the international manufacturing industry in the new era. China's manufacturing industry, which is in the critical period of transformation and upgrading, must firmly grasp the rare opportunity of a new round of industrial reform and accelerating the transformation and upgrading of manufacturing industry to form a historic intersection. Made in China 2025, as the action program for the first decade of China's implementation of the manufacturing power strategy, clearly puts forward that intelligent manufacturing should be the main direction of attack, and points out the direction for the transformation and upgrading of China's manufacturing industry in the future and the realization of the leap from a manufacturing power to a manufacturing power

the level of foundry equipment is uneven

the level of foundry equipment used in domestic foundry factories (workshops) is uneven, which can be roughly divided into three grades. Large state-owned automobile manufacturers' foundries and a small number of private specialized foundries have a large number of imported advanced instruments, equipment or production lines at the time of cutting. The equipment has a high degree of automation, good operation effect, and can be updated in real time, representing the highest level of equipment in China's foundry field. Most medium-sized foundries only use equipment or production lines with varying degrees of automation or mechanization in a certain department, and most only use molding machines or molding lines to prepare sand molds in the molding department, while other departments still use manual operations. There are few detection devices in the whole production process, and the overall foundry equipment in the workshop is of medium level. The other part is a small-scale foundry. From melting, molding, pouring and cleaning, almost all production links adopt manual operation. Quality control depends on experience, and the casting equipment has no mechanization and automation. Domestic casting equipment and testing instrument manufacturers have weak R & D capabilities and insufficient innovative design capabilities. Although the product quality has been greatly improved in recent years, it can not meet the needs of casting manufacturers for advanced testing instruments and high-end casting equipment on the whole

the development trend of domestic casting equipment application can be summarized as follows: first, on the basis of digesting foreign advanced casting equipment technology, research and develop casting equipment suitable for the needs of medium-sized and above casting enterprises, so as to improve the overall level of equipment automation in China's casting industry as soon as possible, such as high-efficiency environmental protection mold sand removal equipment, intelligent mold casting surface grinding and treatment equipment, etc; Second, the independent research and development of key parameter detection devices involved in the whole process of casting provides reliable information parameters for single machine casting equipment and intelligent casting production lines, and lays the foundation for the construction of intelligent casting workshops, such as pre furnace detection (prediction) devices for parameters such as chemical composition, mechanical properties and metallographic structure of metal melt, component and performance detection devices of molding materials, nondestructive detection devices for internal and external defects of castings, etc; Third, research and develop low-cost industrial robots and apply them in large areas in conditional foundry factories, for example, early research and development of robots or manipulators suitable for use in sanding, cleaning, grinding and other sections; Fourth, a few foundry production enterprises with high level of foundry equipment have built intelligent foundries (workshops) based on detection technology and IOT technology in advance, such as foundry companies of state-owned large enterprises such as FAW and ERW and other specialized casting production enterprises

key equipment still depends on imports

foundry plants (workshops) in industrialized countries generally use highly automated casting equipment or production lines, including smelting equipment, metal melt quality evaluation device, automatic pouring equipment, pouring process monitoring device, automatic sand treatment equipment, high-efficiency mold production line, casting sand removal line, casting grinding treatment line, and casting nondestructive testing equipment. Foundry equipment manufacturers have strong R & D capabilities, and a variety of brand equipment have entered all over the world, creating a very good reputation. There are three development trends in the application of foreign casting equipment: first, the research on new wood plastic composite materials is still a new thing for the general public, and the development of casting equipment based on new processes, such as semi-solid casting equipment, 3D printing "Castings" and "molds" equipment; Secondly, intelligent foundry (workshop) based on whole process monitoring and IOT technology, for example, tracking the changes of raw material parameters and different casting performance requirements to dynamically and automatically adjust the melting process, pouring process, solidification process, etc; Third, industrial robots are widely used in high labor intensity links, such as cleaning, grinding and other high dust, high noise links using robots or manipulators

at present, China's foundry equipment enterprises lack the awareness of independent innovation. Only a few enterprises have the ability to independently design and manufacture foundry equipment, while the rest mainly rely on modifying key components and parameters based on foreign foundry equipment, and some enterprises even completely imitate equipment. Few enterprises can design and manufacture relevant casting equipment based on the actual national conditions of our country and after a reasonable analysis of the current situation of China's casting industry, including casting raw and auxiliary materials, casting process level, casting quality requirements, etc. China has a large amount of investment in casting construction and technological transformation every year, but the key equipment, large complete sets of equipment and important testing devices still rely on imports. Although there is development in China, there is still a certain gap with foreign countries in terms of technical content, quality stability and use effect, resulting in the main equipment and important testing devices used by some large domestic casting enterprises are still mainly imported from abroad

compared with advanced countries, the gap of foundry equipment in China is mainly reflected in four points

first, the level of the industry is uneven. The main equipment of several large state-owned enterprises comes from different countries, which is equivalent to the equipment and technology level of foreign advanced foundry enterprises, and even better than the current foundry (workshop) in some advanced countries. However, most foundry enterprises have backward equipment, high labor intensity and low production efficiency

second, the foundry equipment production enterprises are weak, lack of innovation ability, and their products are difficult to meet the requirements of the foundry manufacturers for the function and performance of the foundry equipment. There is a lack of coordination among enterprises, and they have been lingering in the dilemma of medium and low-end equipment production for a long time

third, the maintenance ability of casting enterprises to casting equipment is insufficient, and some equipment with good performance is difficult to play its due role in production, let alone the functional reconstruction of casting equipment, which is particularly prominent in small and medium-sized casting enterprises

fourth, the number of specialized production enterprises of casting testing instruments and automation devices is small, and their independent innovation ability is not strong. The products of the original several specialized production plants remain unchanged for a long time, and few new products directly used for on-site quality monitoring are launched. In recent years, although some wholly-owned and joint ventures have sold foreign products on a commission basis, there are still few varieties

improve the utilization rate of automatic equipment in casting factories

the prominent problems in the casting equipment of China's casting industry are the uneven technical level, the limited application of casting detection technology, the insufficient independent development and innovative design ability of casting equipment and detection devices, and it is very difficult to generally improve the level of industrial equipment in a short time. The idea to solve the problem is to gradually improve the overall equipment level of the casting industry from three aspects: improving the utilization rate of automation equipment in the casting plant, improving the independent innovation level of the casting equipment plant and improving the training ability of casting equipment professionals

first, focus on large state-owned enterprises, further improve the intelligent manufacturing level of torque detection characteristics of hardware tools in foundries (workshops), focus on medium-sized casting production enterprises, and gradually improve the utilization and operation rate of automatic equipment in foundry workshops by adopting the method of overall design and step-by-step implementation

secondly, the industry leader CMA National Quality Inspection Center Directory China Metrology Certification referred to as "CMA" management department takes the lead to establish an industrial alliance with the participation of specialized manufacturers of casting equipment and testing instruments, colleges and universities, and scientific research institutes in a collaborative and innovative way, and carry out joint research on key equipment and testing instruments

thirdly, strengthen the training and training of professional talents of casting equipment, give full play to the expertise of universities, adopt the customized training mode to train specialized talents for casting production and casting equipment production enterprises, or adopt the continuing education mode to provide on-the-job training of various special technologies for enterprises, so as to provide human guarantee for enterprises to improve equipment maintenance ability and equipment innovative design ability

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