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BASF and Toyota collaborate for lightweighting on 2021 Sienna

In the previous model, the third-row seat was comprised of 15 different steel components, making it very heavy. Toyota wanted the 2021 Sienna’s third seat to be lighter and cost competitive while exceeding all performance criteria. Toyota turned to BASF to help them achieve their lightweighting goal.

Todd Muck, from the Toyota Technical Strategic Planning Office at the Toyota R&D Center in Saline, Michigan, said:

“Lightweighting doesn’t always have to be more expensive. We were able to meet our cost objective and saved 15% compared to the prior generation. The seat is 30% lighter compared to the previous model.  We had some great partnerships that helped us achieve these targets, one of which was BASF.”

Traditionally, resin components for seating have had metal reinforcement, which can add more cost to the process. Toyota also wanted an injection molding part that was a shoot-and-ship part – meaning it was made in one piece, without complex and costly post-processing. That’s where BASF’s expertise in materials and design came in.  BASF used its unique 35% glass-reinforced and impact-modified polyamide PA6 grade Ultramid B3ZG7 CR, and its proprietary computer aided engineering (CAE) tool Ultrasim which allowed for accurate CAE simulations during the multiple phases of development efforts.

BASF and Toyota collaborate for lightweighting on 2021 Sienna - BASF’s proprietary Ultrasim tool was used to provide accurate CAE simulations during the multiple phases of development.

Matt Parkinson, Manager Applications Development Engineering and Composite Technologies, BASF Performance Materials, said:

“The third seat design is what I would classify as an enabling technology. It is the first of its kind in the way it is designed without inserts as a fully injected seat back. One of the challenges was to ensure a high elongation and impact qualities for the crash requirements. At the same time, we focused on strength and stiffness because the seat also serves as a load floor.” 

said Muck said:

“BASF helped us bridge the challenge gap for this seat back and meet our targets.”

Companies: BASF

Industries: Automotive and Road Transportation

Technologies: Injection

Terms: Applications, Business, News Worldwide

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This article has been edited by Basalt.Today
Source
This article has been written on JEC Composites Magazine
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