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Renishaw produces race car manifold using additive manufacturing

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Renishaw supported the Brunel University London race team in its 20th year participating in the Formula Student (FS) competition. Renishaw contributed its metal additive manufacturing (AM) expertise to help Brunel Racing create a manifold part for the team’s BR-XX car, which was used to compete at FS-UK in Silverstone and FS-ATA in Italy in July.

Renishaw produces race car manifold using additive manufacturingFormula Student, which has existed for over 20 years, is Europe’s most established educational motorsport competition, run in the UK by the Institution of Mechanical Engineers (IMechE). Prior to working with Renishaw, the Brunel Racing team had produced carbon fibre and aluminium fabricated manifolds, but this method had limitations due to the design geometry. This year, the team worked on a more ambitious design including additional features such as dual stage fuel injection and improved port matching between exhaust manifold and the engine to increase efficiency.

Brunel Racing provided Renishaw with the original design geometry for the manifold part and then worked with the company to optimise the part for production on its multi-laser RenAM 500Q AM system. This included splitting the part into smaller assemblies and looking at how to eliminate overhangs where possible.

Matthew Crouch, a Mechanical Engineering student and one of the managers of the Brunel Racing team explains: “Renishaw’s expertise and advice on how to design a part for the additive manufacturing process was invaluable. To design for AM, overhangs could not be over 55 degrees from the vertical axis on both overhangs and each part requires smooth transitions of cross sectional thickness.

“Additive manufacturing proved itself to be a much more suitable manufacturing method than a traditional approach. The final part performs better in the car due to its increased strength and we also had the added benefit of reduced post processing.”

Joshua Whitmore, Applications Engineer at Renishaw explains: “The applications of AM are broadening into ever more industries. In many examples, it offers clear benefits over traditional manufacturing methods as you can simplify the manufacturing process or increase part performance. The growing use of multi-laser machines, such as the RenAM 500Q, allows for higher build rates, vastly improving productivity and lowering cost per part.”

Renishaw’s additive manufacturing technology has been used in a diverse range of sporting and racing applications. The company is working with INEOS TEAM UK in its bid to bring the America’s Cup home to Britain. Renishaw is also supporting Atherton Bikes, a new mountain bike brand, set up by the World-Championship winning Atherton family.

To find out how additive manufacturing could streamline your manufacturing processes or improve the performance of your part visit www.renishaw.com/additive.

 
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