After more than 20 years of hard work by the automotive industry, China's auto industry has formed the ability to produce high-end (sedans) and high-quality self-owned brand products, forming a highly competitive national auto industry enterprise represented by Chery. The state attaches great importance to independent innovation and the development of enterprises with independent brands. FAW, Dongfeng, SAIC and other large enterprise groups have begun to develop their own branded automotive products on a large scale. Competition in the domestic market has intensified, and various automobile factories have actively strengthened their export business and began to enter the international market. "High-quality, low-cost car" will be the most powerful competitive weapon, so the auto industry will follow the "high-volume, multi-variety, low-investment and construction" model.
The four major process equipments of China's vehicle production are accompanied by the continuous development of the independent brands of the automobile industry. From a historical perspective, the development of automobile products is inevitably accompanied by the revolution of manufacturing technology and equipment industry. There are several reasons for this: First, the level and quality of the car depends on the level of equipment; second, the international competitiveness of a country's automotive industry and a car company depends on the advanced nature of the equipment and manufacturing costs; third, the car In the industrialized countries, the equipment industry is very developed, and advanced automobile equipment strongly supports and promotes the development of the automobile industry. Fourth, the independent brands of China's automobile industry have received great attention from the state and the industry, and important progress has been made. The independent innovation of the same equipment technology has also made important progress; fifth, the state has attached great importance to the development of the automotive industry equipment manufacturing industry.
There are four main types of automobile manufacturing equipment: one is the metal cutting machine production line; the other is the “four major technological equipments†for the whole vehicle manufacturing—the whole vehicle assembly line, the body welding line, the spraying production line, the stamping production line; the third is the precision forging production line. And manufacturing units - including die forging, hot forging, cold forging (cold extrusion), powder metallurgy sintering forging equipment, internal high pressure forming equipment, etc.; Fourth, casting production line - including precision casting production line for casting of cast iron parts Die casting machine (manufacturing unit) for processing aluminum alloy castings. These are the main production equipment of automobile OEMs.
Others include test equipment, CNC tooling systems, laser cutting and welding equipment.
To develop China's four major technological equipments, first of all, it is possible to achieve low-cost vehicles and increase the competitiveness of automotive products; activate the industrial chain, promote the national equipment industry, and provide guarantee for the future development of the automobile industry; the country can have core technologies for independent development. In line with the country's development direction and long-term development strategy. Secondly, China's automobile production and sales have now entered the ranks of the world's major countries; in 2020, China's automobile production will reach 14 million to 18 million, which will be among the most powerful countries in the world's automobile industry. This is an objective condition for the development of China's four major technological equipment.
The objective requirements and important signs of the development of automotive products are: advanced manufacturing technology and advanced manufacturing equipment. Along with the significant progress that China's auto industry's own brands have made, the suppliers of the auto equipment industry have made important progress in the equipment technology of the four major processes of vehicle production after nearly 20 years of active and enterprising, unremitting efforts and independent innovation.
China's four major process equipment production has the ability to compete with foreign companies on the same stage, the ability and experience of China's four major technology and equipment technology.
In recent years, China Automotive Industry Engineering Co., Ltd. has successfully completed the general contracting business of two 150,000 car painting and assembly in GM's joint venture project in China. Not only does it save investment, it is fast, but it can also produce high-end car products that meet the quality standards of general products.
China's four major automotive equipments have the ability to compete with foreign companies on the same stage, and have begun to participate in international projects. The domestic company has the ability and can guarantee the high-quality completion of the painting and assembly line of the car project and the entire production equipment of the commercial vehicle.
Second, the technical core of high-volume, high-level automotive equipment production lines.
——— Painting process and equipment. The first is the coating process layout technology. The coating production process and layout technology have been fully mastered, and can make car products of the same quality level as foreign countries, such as workshop layered partitioning, clean plant control and airflow balance organization, tempo guarantee, machine mode, key components Selection and simulation techniques. The second is painting equipment. The use of advanced equipment and technologies in environmental protection and safety have been mastered to ensure that the technological level of the new coating line is in line with the world level.
In recent years, the newly-built large-scale painting line has shown obvious characteristics: the coating line equipment has a high level of configuration. Whether it is the construction of a foreign company or the independent construction of a Chinese company, the configuration of the production line constructed in the same period abroad is basically the same, so the level of painting equipment has basically reached the international advanced level in the same period. Its construction mode is to choose the mode of Chinese enterprises to make and the main equipment adopts international procurement, which has good reliability. The core technology of high-volume production lines is reliability, high-volume continuous production systems, which require extremely high reliability. Among them, the mechanical transportation system and the automatic control system are the core technologies for production line reliability. We can call it: the mechanical system is equivalent to the "arterial" system of the production line, and the automatic control system is equivalent to the "neural" system of the production line. Because the system not only has plane transportation, space transportation, but also space transportation and plane transportation switching, the structure and control system of the equipment are complicated. At present, we have mastered its core technology after successful completion of similar projects.
In the automatic control system, the core technologies that have been mastered are as follows: First, the PMC system, that is, the monitoring and control system for the production process and process equipment operation of the paint shop. Its function is to quickly and accurately monitor equipment, product failures, defects and provide historical records, prompting to process information in a timely manner. The second is AVI (automatic body recognition) PR&T (automatic body tracking) system. The system mainly controls the normal operation of key equipment such as painting robots, whether the multi-variety production plan can be accurately and smoothly implemented, whether the production management and production scheduling of the workshop can be quickly and effectively controlled by the production core technology. The third is the control of the aircraft system. The machine transport system control in the workshop must be high-speed, accurate and reliable, especially the control of vertical lifting equipment, and a special control scheme should be adopted. The fourth is the control software. Various software programming such as control function software, diagnostic function software, and alarm function software of the coating line should be completed by the contractor's technical staff.
———General assembly process and equipment. In recent years, the newly built assembly workshops in China have shown two characteristics on the overall level: First, the requirements for equipment levels vary widely among different enterprises. Large-scale joint ventures are close to or flush with the international high level in terms of equipment level, and the investment is large; the demand for equipment level of state-owned or private enterprises in the early stage of development depends on investment. Second, affected by the domestic and global auto market, the joint venture's new projects have become more obvious in pursuit of low cost and localization in China. They are no longer pursuing the most advanced equipment and undertaking projects by foreign companies, which is intended to reduce construction investment.
———Welding process and equipment. According to national conditions and market demand, we can realize flexible and multi-platform hybrid production technology in process layout and production line design; automation of welding line and robot production technology; independent design of welding line production and welding fixtures Master the design standards of 3D design technology and fixtures; master the 3D simulation technology and apply it to practice; the manufacturing quality and inspection technology of welding fixtures have reached the international level.
China's automobile equipment manufacturing industry should realize the development of independent brands. The automobile equipment manufacturing industry should realize the development of independent brands. It should adopt the development guidelines and strategies synchronized with the world technology, invest capital, develop independently and innovate independently. The methods and strategies that can be adopted include: verifying the reliability of the production line and controlling risks by establishing a model of the experimental line; hiring excellent technical experts from foreign engineering companies to quickly improve their technical capabilities and accumulating experience; Contracting, undertaking the system integration of the production line, the mode of international procurement of key components, manufacturing, installation, commissioning and training are undertaken by domestic companies.
The four major process equipments of China's vehicle production are accompanied by the continuous development of the independent brands of the automobile industry. From a historical perspective, the development of automobile products is inevitably accompanied by the revolution of manufacturing technology and equipment industry. There are several reasons for this: First, the level and quality of the car depends on the level of equipment; second, the international competitiveness of a country's automotive industry and a car company depends on the advanced nature of the equipment and manufacturing costs; third, the car In the industrialized countries, the equipment industry is very developed, and advanced automobile equipment strongly supports and promotes the development of the automobile industry. Fourth, the independent brands of China's automobile industry have received great attention from the state and the industry, and important progress has been made. The independent innovation of the same equipment technology has also made important progress; fifth, the state has attached great importance to the development of the automotive industry equipment manufacturing industry.
There are four main types of automobile manufacturing equipment: one is the metal cutting machine production line; the other is the “four major technological equipments†for the whole vehicle manufacturing—the whole vehicle assembly line, the body welding line, the spraying production line, the stamping production line; the third is the precision forging production line. And manufacturing units - including die forging, hot forging, cold forging (cold extrusion), powder metallurgy sintering forging equipment, internal high pressure forming equipment, etc.; Fourth, casting production line - including precision casting production line for casting of cast iron parts Die casting machine (manufacturing unit) for processing aluminum alloy castings. These are the main production equipment of automobile OEMs.
Others include test equipment, CNC tooling systems, laser cutting and welding equipment.
To develop China's four major technological equipments, first of all, it is possible to achieve low-cost vehicles and increase the competitiveness of automotive products; activate the industrial chain, promote the national equipment industry, and provide guarantee for the future development of the automobile industry; the country can have core technologies for independent development. In line with the country's development direction and long-term development strategy. Secondly, China's automobile production and sales have now entered the ranks of the world's major countries; in 2020, China's automobile production will reach 14 million to 18 million, which will be among the most powerful countries in the world's automobile industry. This is an objective condition for the development of China's four major technological equipment.
The objective requirements and important signs of the development of automotive products are: advanced manufacturing technology and advanced manufacturing equipment. Along with the significant progress that China's auto industry's own brands have made, the suppliers of the auto equipment industry have made important progress in the equipment technology of the four major processes of vehicle production after nearly 20 years of active and enterprising, unremitting efforts and independent innovation.
China's four major process equipment production has the ability to compete with foreign companies on the same stage, the ability and experience of China's four major technology and equipment technology.
In recent years, China Automotive Industry Engineering Co., Ltd. has successfully completed the general contracting business of two 150,000 car painting and assembly in GM's joint venture project in China. Not only does it save investment, it is fast, but it can also produce high-end car products that meet the quality standards of general products.
China's four major automotive equipments have the ability to compete with foreign companies on the same stage, and have begun to participate in international projects. The domestic company has the ability and can guarantee the high-quality completion of the painting and assembly line of the car project and the entire production equipment of the commercial vehicle.
Second, the technical core of high-volume, high-level automotive equipment production lines.
——— Painting process and equipment. The first is the coating process layout technology. The coating production process and layout technology have been fully mastered, and can make car products of the same quality level as foreign countries, such as workshop layered partitioning, clean plant control and airflow balance organization, tempo guarantee, machine mode, key components Selection and simulation techniques. The second is painting equipment. The use of advanced equipment and technologies in environmental protection and safety have been mastered to ensure that the technological level of the new coating line is in line with the world level.
In recent years, the newly-built large-scale painting line has shown obvious characteristics: the coating line equipment has a high level of configuration. Whether it is the construction of a foreign company or the independent construction of a Chinese company, the configuration of the production line constructed in the same period abroad is basically the same, so the level of painting equipment has basically reached the international advanced level in the same period. Its construction mode is to choose the mode of Chinese enterprises to make and the main equipment adopts international procurement, which has good reliability. The core technology of high-volume production lines is reliability, high-volume continuous production systems, which require extremely high reliability. Among them, the mechanical transportation system and the automatic control system are the core technologies for production line reliability. We can call it: the mechanical system is equivalent to the "arterial" system of the production line, and the automatic control system is equivalent to the "neural" system of the production line. Because the system not only has plane transportation, space transportation, but also space transportation and plane transportation switching, the structure and control system of the equipment are complicated. At present, we have mastered its core technology after successful completion of similar projects.
In the automatic control system, the core technologies that have been mastered are as follows: First, the PMC system, that is, the monitoring and control system for the production process and process equipment operation of the paint shop. Its function is to quickly and accurately monitor equipment, product failures, defects and provide historical records, prompting to process information in a timely manner. The second is AVI (automatic body recognition) PR&T (automatic body tracking) system. The system mainly controls the normal operation of key equipment such as painting robots, whether the multi-variety production plan can be accurately and smoothly implemented, whether the production management and production scheduling of the workshop can be quickly and effectively controlled by the production core technology. The third is the control of the aircraft system. The machine transport system control in the workshop must be high-speed, accurate and reliable, especially the control of vertical lifting equipment, and a special control scheme should be adopted. The fourth is the control software. Various software programming such as control function software, diagnostic function software, and alarm function software of the coating line should be completed by the contractor's technical staff.
———General assembly process and equipment. In recent years, the newly built assembly workshops in China have shown two characteristics on the overall level: First, the requirements for equipment levels vary widely among different enterprises. Large-scale joint ventures are close to or flush with the international high level in terms of equipment level, and the investment is large; the demand for equipment level of state-owned or private enterprises in the early stage of development depends on investment. Second, affected by the domestic and global auto market, the joint venture's new projects have become more obvious in pursuit of low cost and localization in China. They are no longer pursuing the most advanced equipment and undertaking projects by foreign companies, which is intended to reduce construction investment.
———Welding process and equipment. According to national conditions and market demand, we can realize flexible and multi-platform hybrid production technology in process layout and production line design; automation of welding line and robot production technology; independent design of welding line production and welding fixtures Master the design standards of 3D design technology and fixtures; master the 3D simulation technology and apply it to practice; the manufacturing quality and inspection technology of welding fixtures have reached the international level.
China's automobile equipment manufacturing industry should realize the development of independent brands. The automobile equipment manufacturing industry should realize the development of independent brands. It should adopt the development guidelines and strategies synchronized with the world technology, invest capital, develop independently and innovate independently. The methods and strategies that can be adopted include: verifying the reliability of the production line and controlling risks by establishing a model of the experimental line; hiring excellent technical experts from foreign engineering companies to quickly improve their technical capabilities and accumulating experience; Contracting, undertaking the system integration of the production line, the mode of international procurement of key components, manufacturing, installation, commissioning and training are undertaken by domestic companies.
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