Metal AM parts in series production for BMW’s new i8 Roadster

December 12, 2017

Metal 3D printed parts in series production for BMW’s new i8 Roadster

A metal additively manufactured part has entered series production for the BMW i8 (Courtesy BMW Group)

 

BMW Group’s newly launched i8 Roadster features a lightweight metal additively manufactured cover carrier. The part is used to carry a cover which unfolds when opening the roof of BMW’s advanced open-top hybrid sports car.

Manufactured from AlSi10Mg0.5 in a Powder Bed AM process, the part offers increased stiffness and reduced weight. Each i8 Roadster will include two of the AM cover carrier components, a left and right hand version. Production is expected to run to several thousand parts.

 

Metal 3D printed parts in series production for BMW’s new i8 Roadster

Manufactured from AlSi10Mg0.5 in a Powder Bed AM process, the part offers increased stiffness and reduced weight (Courtesy BMW Group)

 

According to BMW Group, the use of metal AM allowed the topologically optimised parts to be produced in a geometric form which would not have been possible using conventional casting techniques. This ensures the optimum balance between the component’s rigidity and weight.

The ability to reduce the weight and part count of automotive components is a key advantage of AM, with vehicle light-weighting being one vital way in which vehicle manufactures can increase fuel efficiency.

 

Metal 3D printed parts in series production for BMW’s new i8 Roadster

The new i8 roadster by BMW (Courtesy BMW Group)

 

The i8 Roadster premiered during the Los Angeles Auto Show in December 2017 and will see its market launch in May 2018.

www.bmwgroup.com

Metal AM magazine Summer 2022

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Extensive AM industry news coverage, as well as the following exclusive deep-dive articles:

  • Transforming access to medical implants with PrinterPrezz
  • Lessons from 2021’s Olympic bike crash
  • Xerox liquid metal AM
  • Additive Manufacturing for oil, gas and maritime
  • Multi-material metal parts by Powder Bed Fusion
  • Findings from Wohlers Report 2022
  • The challenge of grain size: X-ray powder diffraction analysis of parts made by metal AM

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