Royal DSM’s Develops Crankshaft Cover from Castor Polyamides

In September 2013, Royal DSM, together with its automotive component specialist partner KACO, has developed a lightweight multi-functional crankshaft cover in EcoPaXX, DSM’s bio-based polyamide 410, for the latest generation of diesel engines developed by the Volkswagen Group. EcoPaXX, a bio-based, high-performance long-chain polyamide, is made mainly from tropical castor beans.

This EcoPaXX cover incorporates integral seals in PTFE and liquid silicon rubber (LSR), as well as various metal inserts. It will be used on Volkswagen’s new MDB modular diesel engine platform, implemented across its Audi, Seat, Škoda and VW brands.

Compared with covers made in aluminum, system costs for the EcoPaXX cover are considerably lower, due in part to the use of an integrated, fully automated production cell for the component at KACO. Weight has been reduced considerably too, since the EcoPaXX grade is 45% less dense than aluminum.

The development represents a step forward in terms of sustainability, from material production to the vehicle on the road. DSM’s EcoPaXX polyamide 410 is 70% derived from renewable resources, and the polymer is certified 100% carbon neutral from cradle to gate.

Read more from: http://www.greencarcongress.com/2013/09/20130902-dsm.html

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