The Impact Of Rapid Prototyping On Automobile Industry

- Apr 09, 2018 -

In recent years, 3D printing has been developing rapidly, and its growth is growing at an average annual rate of about 30%. Compared with the growth of technology and business, the media attention has been greatly improved, or even overheated. But in fact, 3D printing is not an artifact. There are still many needs to be improved. Meanwhile, 3D printing is not a bubble. It should arouse all kinds of concerns.

In the traditional manufacturing (reduced material manufacturing), the more complex the structure of the workpiece means, the higher the cost of the unit manufacturing, and the 3D printing is the same as the cost of the unit manufacturing regardless of the complexity of the workpieces, and the more complex the market is, the more complex it is, the more competitive it is. When 3D printing reduces costs, its target market will further expand. Low cost and small mass production, complex parts processing, component function upgrading, personalized customization products, green production, new supply chain and retail mode have become the driving force of 3D printing in industrial applications.

From the perspective of manufacturing patents, most of the patents in the world are concentrated on equipment, printing technology and application, and lack of the design and manufacture of molding materials. This has also become one of the bottlenecks that impede the further development of the manufacturing technology. At the same time, there is a discontinuous investment zone in the technology development and application of 3D printing. It is necessary for the government to support more and more research and development, and the enterprise should pay more attention to the application as the main body of promoting the development and innovation of the manufacturing.

The application of 3D printing in automobile manufacturing is very promising. Data statistics, in 2017, the world's new sales passenger car is estimated to be 97 million, of which 25 million are domestic, and the domestic auto parts market is trillion yuan. In 2014, automobile accounted for 16.1% of the world's 3D printing application scale. In 2019, the market size of 3D printing in the automotive industry is estimated to be around us $1 billion 100 million. 3D printing has the advantages of reducing R & D cycle, reducing R & D cost, accelerating product entry time, lightweight, low carbonization, flattening supply chain, fast and personalized service, so that its application runs through the whole life cycle of concept, R & D, manufacturing and maintenance of automobile manufacturing.

Conceptual design - 3D printing technology is widely used in the design of concept cars, and will become an important technology to support the future customization and high performance automotive design and manufacturing.

R & D - the rapid prototyping Department of General Motors Corporation has used SLS and SLA3D printing technology to develop products, and has printed more than 20 thousand components.

Direct manufacturing of functional parts - 3D printing directly creates a metal energy absorption device with complex lattice structure, which can reduce the impact force formed by the violent collision and improve the safety performance. 3D printing directly makes complex structures, increases the contact surface area, and improves the heat dissipation performance of the auto related zero parts. Such as Beijing Longyuan radar antenna manufacturing, the complexity can reach 16000 six angle of the taper hole, and high cost.

Generally speaking, the current 3D printing automotive applications mainly include external applications, oil pressure systems, manufacturing processes, exhaust systems and other external applications. The future development will be: lightweight design and manufacturing, such as the design and manufacture of complex structures such as dot matrix and hollow structure, integrated design and manufacture of parts and parts, the development and application of new carbon fiber reinforced materials, light alloy materials, and so on; the direct molding of high performance parts, such as automobile engine, power transmission system, wheel and so on; Breaking the traditional vehicle design concept of vehicle design and manufacturing; 3D printing, smart car, rear market cloud printing services.


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