According to the data released by the China Association of Automobile Manufacturers not long ago, China’s total automobile sales in 2017 was 28,878,900 vehicles, an increase of 3.04% year-on-year. In terms of passenger vehicle sales, passenger car sales in December reached 2.653 million, which was a 2.5% increase from the previous quarter and a year-on-year decrease of 0.7. The cumulative sales volume for the year was 24.718 million units, which was a year-on-year increase of 1.4%, which was lower than the industry growth rate of 1.6 percentage points.
In the area of ​​new energy vehicles, the annual sales in 2017 were 777,000 units, an increase of 53.3% year-on-year. Accumulated ownership reached 1.8 million, accounting for more than 50% of the global market. China is not only the world's largest automobile country, but also the largest market for global new energy vehicles.
This kind of achievement is very great. Looking back at the history of transportation development in China in the past few decades, in the 1970s and 1980s, foreign reporters came to Beijing, China. The bikes that came and went on the road were like the tide. The “bicycle kingdom†is The impression of Europe and the United States on China; in the 90s to 2004, motorcycles ushered in the golden period of development in China, every household has at least one; in 2004, the automotive industry has been developing rapidly, and now many ordinary families also have cars, often The problem of road congestion has caused China to gradually become the "car kingdom."
The United States has long been known as a "car country," because the United States has a population of 320 million but has 253 million cars. According to statistics from the Traffic Management Bureau of the Ministry of Public Security, as of the end of March 2017, the number of cars in China reached 200 million, and a historic leap was achieved. Forecasting will surpass the United States in 2019 and become the country with the largest number of cars in the world. Looking at another developed country, Germany, 82 million people have 44 million cars, and China has more than 1.35 billion people. Therefore, I predict that China’s auto growth will continue for a longer period of time, perhaps after an average annual increase of 400 million vehicles. Slow down. Traffic congestion in major cities in China is becoming increasingly serious, and the growth in car sales has slowed or even declined. With the development of the agricultural economy and the improvement of the quality of life in rural areas, the enthusiasm for peasants to buy cars will rise in the next five years. This will stimulate the development speed of China's auto industry and the popularity of the laser application market, just like the scene of home appliances to rural areas in the past, and the rural areas in China. Purchasing power will further erupt and maintain auto sales growth.
The sustainable development of the social economy is the decisive factor in the future development of the automobile industry
Judging from the vehicle manufacturing industry, China's entire vehicle industry has returned to steady growth after experiencing rapid development in the past decade. In the medium and long term, the influence of market-oriented consumer demand driven by the state policy is relatively short-lived, and because the auto industry contributes more to GDP growth, it has a huge pulling effect on the economy, and on the premise of steady growth, it stimulates or restrains The automobile industry's policies are difficult to introduce, and the local limited purchase policy has limited impact on the overall sales of the auto industry. Therefore, the sustainable development of the social economy is the decisive factor for the continuous growth of the auto industry. Judging from the current market trends: First, the market outlook remains broad, and the size of emerging markets will continue to expand; Second, the pace of globalization will further accelerate, and the automobile industry chain will accelerate the transfer to emerging countries; Third, the integration of the automobile industry and the electronic information industry will become closer Fourth, new energy vehicles are becoming the main direction of global automotive industry transformation and development.
Laser brings a revolutionary breakthrough to the development of the automotive industry
With the rapid development of laser technology, laser equipment has been widely used, covering almost all processing and manufacturing industries. Such as the automotive industry, power battery industry, mobile communications and 3C electronics, advertising plate, pipe processing, kitchen and bathroom, sheet metal processing and other industries. In specific applications, laser processing has advantages that are incomparable with traditional processing methods. The integration of the four product lines including laser cutting equipment, laser welding equipment, laser micromachining equipment and automation equipment has become increasingly prominent.
Automobile manufacturing is a huge system project that requires a series of process technologies to work together. Advanced technologies represented by laser processing, industrial robots, and digital control are constantly promoting the upgrade of the automotive industry. The most well known is the machine-welded body and roof. The laser as an advanced processing method is destined to bring about a revolutionary breakthrough for the development of the automotive industry. German automobile manufacturers such as Audi, Mercedes-Benz, Volkswagen, and Sweden's Volvo have pioneered the use of laser-welded roof, body, and side frame sheet metal welding in the mid-to-late 1980s. In the 1990s, U.S. General Motors, Ford, and Chrysler The company, Sweden's Volvo Car Corporation, has introduced laser welding into automobile manufacturing. The most significant advantages of laser welding for seamless welding of the body are the fast welding speed and beautiful appearance.
In recent years, Chinese domestic cars have gone from low-cost routes to high-end vehicles. The application of advanced laser technology has also become a trend. Currently, manufacturers such as Jianghuai, Dongfeng Shenlong, FAW Group and Chery have already considered or are considering using laser welding technology. In the past ten years, the welding of the body-in-white in China has been ahead of the Japanese and Korean cars in Asia.
New energy cars stand out
With the steady growth of personal car increments, traditional fuel vehicles have been unable to sustain high growth, and the explosive growth of new energy vehicles in the past two years, coupled with previous European countries such as the Netherlands, Germany, France and the United Kingdom, have announced the ban The schedule of fuel vehicles, the Ministry of Industry and Information Technology of China also stated that it has been studying the issue of the feasibility and timetable for China's ban on the sale of fuel vehicles. For a time, the public and auto makers are more determined to be new trends in the future of new energy vehicles.
From 2014 to 2017, the output of China's new energy vehicles was 80,000, 335,000, 480,000 and 786,000, respectively, and the year-on-year increases of 318.75%, 43.28%, and 63.75% over the past three years were relatively high. growth of. It is expected that the annual sales of new energy vehicles will reach 2 million units within three years.
Currently, BYD, a domestic manufacturer of new energy vehicles, is the leader, and JAC, Geely, Chery and others have joined. Not long ago, Guangzhou Automobile and Shanghai Weilai Automobile jointly developed new energy vehicles. After being forced to purchase Zhuhai Yinlong to realize the dream of making a carmaker, Gregg’s homeowner Dongming Zhu insisted on owning Yinlong in its own name. The Baoneng Group, which engages in logistics, finance and real estate, also announced that it will invest 30 billion yuan to build a new energy industrial park. In the first phase, the company plans to produce 500,000 new energy vehicles and related supporting items. After the previous acquisition of Vanke, Baoneng will turn its attention to new energy vehicles, and the shares will be invested by Qoros to acquire the license plate for passenger cars.
The foreign brands have long been gearing up for the Chinese market. Renault teamed up with Dongfeng Motors, Ford and Zotye Automobile to jointly develop pure electric passenger cars. Daimler found the Beijing Automotive Group. In the past two years, a total of more than 200 new energy vehicle production projects in China have been launched, involving an investment of over one trillion yuan.
Laser welding power battery has become a new favorite in the industry
Han's laser, Haisianxing laser, Lianyin laser, Everbright laser, Yifei laser have gained a lot of market share in automobile battery welding. In the past few years, Han's Laser increased the R&D investment and product replacement of laser welding equipment in all aspects of power batteries. In the power battery laser welding system, it attaches great importance to the implantation of automation modules and provides customers with automated solutions for laser welding of the entire power battery. At present, Han's Laser has launched automation solutions for core top welding, automation solutions for core side welding, automated welding solutions for battery modules, automated welding solutions for sealing of battery cells, automated battery connection automation solutions, and battery cells. Explosion-proof valve automation solutions, etc., have completed the entire process without manual intervention, significantly reducing labor costs. In the next few years, the use of automated integration equipment in the new energy industry will become a trend, seamlessly connecting customers upstream and downstream processes, will achieve unattended intelligent and efficient management.
Lianyin Laser is the first company to focus on laser welding in China. As early as 2007, it involved in the lithium battery industry. It was an early entry into the lithium battery R&D and market layout in China. At that time, many battery manufacturers’ product departments were in the verification stage. More copper, aluminum materials. Thanks to unique energy negative feedback technology and a full range of process design, Wintek lasers have achieved good results in the welding of copper and aluminum, and laid a leading position in the early battery welding industry. Han Jinlong, chairman of LianYing Lasers, believes that a good system solution cannot rely solely on hard equipment. It is necessary to fully understand the product and accurately grasp the welding process in order to provide a good laser welding system. Program. Han Jinlong further explained that laser welding is precision welding, with small solder joints and high dimensional accuracy. Compared with traditional arc welding, resistance welding and other welding technologies, laser welding has relatively high requirements for materials and products, and the current market has higher and higher requirements for welding efficiency, so it needs to introduce automation equipment. However, pure automation can not independently complete the production of high-quality products, requires the involvement of the process, the so-called process includes customer products, production processes, welding processes and automated processes, all three are indispensable.
Established in 2008, Eyestar Laser is a leading provider of integrated laser and automation solutions in China. Its innovative laser & automation integrated solutions are widely used in power battery intelligent manufacturing, sheet metal intelligent assembly, 3C industry and so on. In recent years, the company's laser intelligent equipment has rapidly opened up the application market for power batteries. The company’s power battery intelligent manufacturing equipment covers the entire production process from laser production to baking and drying, and high-speed laser film makers as innovative equipment in the industry. Laser cutting is used to replace traditional die-cutting, and reliability, maintainability, and flexible production capability are taken as the basic design concepts to achieve rapid low-cost replacement of VDA power batteries, which greatly reduces the manufacturing cost of the company.
Laser welding is currently the welding standard in the field of power batteries and is one of the key links in the production line. Considering that domestic new energy vehicle production is expected to usher in rapid growth in the next few years, the demand for power batteries is also expected to continue to increase. According to the GGII forecast, the domestic demand for power batteries in 2020 is expected to reach 146GWh, which is 3.7 times of 31Gwh in 2016. In addition, according to the data from China Investment Consulting Network, the domestic power battery capacity is expected to reach 250GWh in 2020. Therefore, taking the demand side of the electric vehicle as a starting point, we estimate that the power battery laser welding equipment is expected to usher in a market space of 6.818 billion yuan to 7.078 billion yuan in the next three years.
Laser robot processing system is a perfect embodiment of high-end automation
As the country has successively introduced a number of policies to support the development of smart manufacturing technologies, some processing technologies have gradually been upgraded in recent years, including laser processing from traditional simple processing to more efficient, more flexible multi-axis, multi-dimensional processing, and the use of industry. The robot can achieve a high degree of automation and laser combined effect. The emergence of laser processing robot system not only broke through the limitations of the original two-dimensional processing, but also developed more industrial applications of three-dimensional processing, especially for some large parts of the processing effect is significant, greatly expanding the scope of application of laser processing.
The future trend of manufacturing industry is intelligence and automation. Intelligent manufacturing with robots, 3D printing, big data, cloud computing and other emerging technologies as the core will be the inevitable trend of future manufacturing development, and will transform and upgrade traditional industries. Structural adjustment played a very important role.
The robot laser processing system not only has the advantages of flexible robot movement and high flexibility, but also has the advantages of rapid laser processing speed, good quality, and low thermal impact, and it satisfies the requirements of modern manufacturing development. Laser robot intelligent processing involves laser, optics, automation, motion control and many other fields. It has great potential for development in the automotive industry, rail transportation, aerospace, and construction machinery. Whether it is cutting, welding or cladding Common applications.
Laser robots are mainly used in body welding, welding and welding of parts in the automobile manufacturing industry. Among them, laser tailor welding is based on different design and performance requirements of the car body in the design and manufacture of the car body, selecting steel plates of different specifications, and completing the manufacture of a certain part of the car body through laser cutting and welding technology, such as front windshield frame and door inner panel. , underbody, middle column, trunk, sunroof bottom cover and so on. At present, domestic laser companies generally rely on the dominance and influence of fiber lasers in the laser market to vigorously develop laser welding applications in white bodies, roofs, car seats, door panels, and trunks.
In today's rising labor costs and prices, people are increasingly demanding higher quality car performance, and hope that prices are getting lower and lower. These two seemingly contradictory and consumer demand, how does the company realize and have How competitive is it? The only way is the reduction of management costs and labor costs, as well as the introduction of new production processes and the improvement of efficiency. At this stage, laser processing technology can help companies achieve this.
Lightweight is the future development direction of China's auto industry
At the same time as the rapid development of China's auto industry, it also brings a series of social issues such as transportation, environmental protection, and energy. In the winter and spring of two consecutive years of 2016 and 2017, there was a large area of ​​severe haze in the northern regions of China, which gave us an alarm bell for air pollution problems. The vehicle ownership in China exceeds 200 million. The automobile exhaust has become an important cause of smog. In light of the country’s policy of attaching greater importance to resource conservation, energy conservation, emission reduction, and recycling economy, in addition to vigorously developing new energy vehicles, vehicle weight reduction has also become a new direction for the development of China's auto industry.
In general household car costs, the fuel cost is the largest cost, so many ordinary family car purchases give priority to the car's fuel consumption, followed by safety. The lightweighting of automobiles has attracted considerable attention in the automotive industry in the past few years. The application of new materials and new processing technologies is also a major trend. It is understood that the automobile body accounts for about 30% of the total weight of the car. Under no-load conditions, about 70% of the fuel consumption is spent on the body weight. If the vehicle's overall weight is reduced by 10%, the fuel efficiency can be increased by 6%-8%. For every 100kg of vehicle weight lost, the fuel consumption per 100km can be reduced by 0.4-1.0L, and the carbon dioxide emissions will also be reduced by 7.5-12.5g/km. After the vehicle is lightened, vehicle acceleration is improved, and vehicle control stability, noise, and vibration are also improved. Therefore, the reduction in body weight will have a significant effect on the vehicle's fuel economy, vehicle control stability, and reduction of exhaust emissions.
The weight reduction of automobiles has been increasingly emphasized in car enterprises. The use of more lightweight materials such as aluminum alloys has become one of the important solutions for lightweight design of automobiles, especially pure electric new energy vehicles in the future. The company has accumulated and applied laser welding technology and technology for aluminum battery for more than ten years. The welding yield and overall design of the company are in the leading position in the industry, and it has introduced higher anti-welding materials such as aluminum with better welding effect and better yield. High-level composite laser welding and core laser welding products such as laser flight welding represent customers including FAW, SAIC, BYD, Great Wall Motor, Yimai Gear, and so on. It is expected that the popularity of laser welding on domestic cars and new energy sources in the future. The white car body and parts will fully benefit from the increasing proportion of aluminum alloy usage, and will become the second largest business growth point after the power battery business.
Laser processing technology is an important technological means for realizing vehicle weight reduction. As far as laser welding is concerned, laser welding is non-contact. During the machining process, precision welding can be achieved without touching the product. In the traditional connection methods, some of them are fastened by screws, and some are glued and connected. Meet the requirements of precision and ruggedness in modern car manufacturing, and the traditional way is not suitable for connecting new materials. For example, laser welding of the roof can eliminate the two sealing belts of the original roof, and the body strength of the vehicle is improved a lot. Laser welding achieves leapfrogging advancement in the connection of ruggedness, seamlessness, precision and cleanliness and will become an important process in the future.
Conclusion
The automobile has only a history of more than 100 years, but it is undoubtedly the world's most important mode of transport. According to incomplete statistics, the current global automobile industry scale exceeds 30 trillion yuan, and the automobile industry is in major economies such as the United States, China, Germany, Japan, etc. Both occupy an important position. This is a huge industry. It involves products of dozens of industries, is an industrial system, and is the area where many new technologies and processes are applied first. This is why the auto manufacturing market has become a new technology and new equipment. The reason for the goal.
Laser technology will undoubtedly play an important role in a new generation of smart cars. In addition to laser cutting, welding, cleaning and other processing, there are applications of laser radar in automatic driving, and laser light source as a lamp. At present, more than 50% of the processes in European and US car production are applied to lasers, and domestic automobile manufacturing will inevitably follow the pace of foreign countries. The laser automated production line will gradually enter the domestic automobile manufacturers. With the further advancement of machine substitution, laser intelligent equipment will be The domestic automobile production plays an increasingly important role.
How can a laser company master this large market? The first is to grasp the constant innovation, to master the laser's own technology and core technology; the second is to truly integrate the laser technology into industrial automation, develop synchronously and coordinately, and seize the commanding height of the market; and secondly, seize the time node and market node from the strategy. Focusing on the reality, we must grasp the development trend and do a good job in the market layout. Fourth, we should use policy bars to help the company increase its staying power, create brands, and promote the development of the laser upstream and downstream industry chain.
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