BMW Group plans Additive Manufacturing Campus

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The will invest more than €10 million in a new . Located in Oberschleissheim, just north of Munich, the facility will allow the company to continue developing its expertise in this field of work.

Our new Additive Manufacturing Campus will concentrate the full spectrum of the BMW Group’s 3D printing expertise at a single location. This will allow us to test new technologies early on and continue developing our pioneering role.

—Udo Hänle, Head of Production Integration and Pilot Plant

Within the BMW Group production network, the new Additive Manufacturing Campus will foster the latest technologies in this field in much the same way as a pilot plant and make them available for use within the network. Much of the work carried out there will focus on parts manufacturing for prototype construction, series production and customised solutions.

The Additive Manufacturing Campus will also act as an interdisciplinary training and project area, for instance for development engineers. Located in an existing building with a footprint of more than 6,000 square metres, it will accommodate up to 80 associates and over 30 industrial systems for metals and plastics. It is scheduled to go on stream in early 2019.

Additive manufacturing is an integral part of the BMW Group production system and offers significant potential for series production. Most recently it has been used to generate parts for the BMW i8 Roadster.

P90287586_highRes_the-new-bmw-i8-roads

Metal 3D printed part for the new BMW i8 Roadster. Click to enlarge.

With the BMW i8 Roadster, the BMW Group became the first carmaker to 3D-print a production run of several thousand metal parts. The component concerned is a fixture in the tonneau cover for the soft-top.

—Jens Ertel, Head of the BMW Group’s Additive Manufacturing Center and the future campus director

Made of aluminium alloy, the printed item is lighter than the normal injection-moulded equivalent but significantly more rigid. Its bionic geometry, inspired by forms found in nature, was optimized for 3D printing purposes.

Additive manufacturing is also gaining importance for customized components. The new MINI Yours Customized programme, for example, allows customers to design certain components themselves. Indicator inlays and dashboard trim strips, for example, can be 3D-printed to their precise specifications.

The BMW Group expects that, with time, it will become possible to produce components directly where they are ultimately needed.

The 3D printers that are currently operating across our production network represent a first step towards local part production. We are already using additive manufacturing to make prototype components on location in Spartanburg (US), Shenyang (China) and Rayong (Thailand). Going forward, we could well imagine integrating it more fully into local production structures to allow small production runs, country-specific editions and customizable components—provided it represents a profitable solution.

—Jens Ertel

In September 2016, the BMW Group’s venture capital arm, BMW i Ventures, invested in the Silicon Valley-based company Carbon, the developer of DLS (digital light synthesis) printing technology for the production of parts with high-quality surfaces. The technique allows significantly larger areas to be processed more rapidly than would otherwise be possible with conventional selective 3D printing. Carbon and the BMW Group have been partners since 2015.

A further investment in additive manufacturing came in February 2017, this time in the start-up Desktop Metal. Desktop Metal specialises in the additive manufacturing of metal components and has developed highly productive and innovative methodologies. It now works closely with the Additive Manufacturing Centre at the BMW Group.

In June 2017 the BMW Group invested in a company called Xometry, which works in the supply chain industry. Xometry is a web-based platform that networks suppliers and manufacturers from different sectors with each other. Pilot projects are already underway in a range of areas including spare parts manufacturing.

Additive manufacturing has been in use in the construction of concept cars at the BMW Group since 1991. Components are realized purely using digital data, eliminating the need for classic tools such as press tools and injection moulds. At present, the technology is most commonly used for small production runs of customized and often highly complex components.



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