exist3D printingUnder the trend of light-weight automobile production,3D printingIt is an inevitable means of production.If BMW wants to defend its position as a leading car brand, it must pass3D printingTechnology upgrades the car experience.Recently, BMW invested 15 million euros (over 100 million yuan) in Munich3D printingThe factory was officially launched, which established the BMW Group’s leading position in additive manufacturing technology in the automotive industry.
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PBF metal in BMW’s Munich Additive Manufacturing Plant3D printing
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Plastics in BMW’s Munich Additive Manufacturing Plant3D printing
It’s a factory and it’s3D printingaccelerator
BMW Munich3D printingThe factory integrates the production of prototypes and batch parts, and is3D printingThe technology has been researched and relevant training has been provided for the promotion of BMW’s global moldless production.
BMW sees that additive manufacturing has become an indispensable and important technology in today’s global production system. BMW has established its digital production development strategy. In the future,3D printingThe new technology will further shorten production time and enable automakers to more fully benefit from the potential of moldless manufacturing.BMW Munich3D printingThe goal of the factory is to increase3D printingThe technology is used in automobile production and new automation concepts are implemented in the process chain. This will enable BMW to simplify the manufacturing of components for mass production and speed up iterations.At the same time, BMW is cooperating with vehicle development, parts production, procurement and supplier networks, as well as various other areas of BMW to systematically integrate3D printingTechnology and effective use.
In 2019, the BMW Group produced about 300,000 parts through additive manufacturing. The Munich Additive Manufacturing Plant currently employs up to 80 employees and operates about 50 metal, plastic, etc.3D printingequipment. BMW’s Munich plant also accumulates equipment and technology invested by BMW i Ventures, including its investment in the Silicon Valley-based Carbon company. According to the understanding of 3D Science Valley, BMW is officially launching MINI 3D printingBefore the service, used CLIP 3D printingEquipment, customized manufacturing for some MINI customers in a small scale3D printingComponents.
BMW has also invested in Desktop Metal, which uses a proprietary single-channel jet (SPJ) technology through the Desktop Metal production system, which can increase the processing speed of metal parts to the existing laser metal3D printing100 times the system. The DM production system will enable manufacturers to significantly reduce their costs, making this technology an alternative to casting. The close cooperation between BMW and Desktop Metal continues.
Focus on efficiency and economy, except3D printingEquipment, BMW i Ventures also invested in Xometry, an American startup company, and many other3D printingDifferent service platforms, Xometry itself does not provide any3D printingServices, but only automatically match transactions, and get a certain percentage of order commissions from offline service manufacturers. They cooperate with manufacturing plants to form an online and offline network of on-demand manufacturing, so that they can consistently maintain fast delivery times, while providing a wide range of capabilities, including CNC machining,3D printing, Sheet metal processing, injection molding and polyurethane casting.
BMW’s latest investment is the German start-up company ELISE. The Generative Design developed by ELISE is a process of designing by writing algorithms and programs. It is a process of human-computer interaction and self-innovation. Specifically, it is designed by designers. Choose the strategy of generating the model, write the algorithm, according to the objective design goal, combine the simulation, the optimization method, until get the most optimized design.
Through cooperation with innovative partners and universities, the pre-development department of the BMW Group’s additive manufacturing plant has optimized new technologies and materials for full company-wide use.The main focus is to automate the process chain that previously required a lot of manual work, so that3D printingIt is more economical and feasible, and can be used in industrial-scale manufacturing for a long time.
With the support of Germany’s landmark IDAM program, BMW Munich’s3D printingThe factory has also built a modular and almost fully automated3D printing-Additive manufacturing production line.The additive manufacturing production line covers from digital design to parts3D printingThe whole process from manufacturing to post-processing. Due to the modular structure of the production line, it can be upgraded when necessary, and each module can be adapted to different production requirements. In addition, the process steps can be flexibly controlled. By comprehensively considering the requirements for integration into the automobile production line, the project partners plan to reduce the manual part of the process chain from the current approximately 35% to less than 5%. at the same time,3D printingThe unit cost of metal parts should be halved.
IDAM plan passed annually3D printingThe total output of manufactured parts is at least 50,000 series parts, thus enabling the BMW Group to help strengthen Germany’s3D printingThe role of pioneer. The IDAM program partners include Fraunhofer and Aachen University of Technology (a member of the ACAM R&D team), and other partners include Aconity Germany, GKN powder metallurgy and so on.
The BMW Additive Manufacturing Park has also made important contributions to the mass production of plastic parts. In the POLYLINE project, the focus is on the development of manufacturing processes such as the digital chain and the development of consistent quality assurance methods for the entire process chain. Here, the BMW additive manufacturing plant will provide a research and development environment for the alliance of 15 partners of the project to develop and test future-oriented, seamless automated production lines of plastic components. The POLYLINE project is expected to reduce manufacturing costs by as much as 50% and make an important contribution to mass production.In addition, integrated quality assurance methods will improve the stability of the technology and enable3D printingIt is more sustainable for automobile manufacturing.
In addition to directly3D printing, BMW will also3D printingThe sand mold is combined with the casting process.Among them, based on3D printingWith the degree of freedom brought, the turbo compressor and cooling pipeline of the BMW S58 engine have been redesigned. The upgraded compressor and the indirect intercooler provided by the low-temperature circuit further enhance the power output of the S58 engine. The flow-optimized intake system can reduce pressure loss, and the electronically controlled pressure relief valve (which can be closed quickly) can improve responsiveness, and the larger opening pressure relief valve also improves the efficiency of the catalytic converter. The engine also integrates three radiators, as well as an independent engine oil cooler and independent transmission oil cooler. In this regard, the German voxeljet-VJET through its automated production line-VJET X 3D printingComplex sand molds and cores, through3D printingSand cores to cast key engine components.
accelerate3D printingIn the process of industrialization, the BMW additive manufacturing plant is not only a factory, but also3D printingAccelerator of development.
(Editor in charge: admin)
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