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Engineering Development and Performance of the Chrysler Dakota Fully-Integrated Thermoplastic Instrument Panel
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Abstract
A fully-integrated thermoplastic structural instrument panel (IP) system will be implemented on Chrysler's Dodge Dakota Truck Platform. The structural IP consists of a three-piece monocoque thermoplastic injection molded structure that replaces the traditional retainer, air delivery ducts, steel beams and reinforcements typically used in IP designs. Ribbed thermoplastic bolster systems have been incorporated as part of the energy management system. The structural IP provides the required stiffness to satisfy noise, vibration, and harshness (NVH) quality targets and the necessary strength and rigidity to effectively meet FMVSS No. 208 requirements for managing occupant and passenger air bag (PAB) deployment loading during 48 km/h (30 mph) frontal crashes. This paper discusses the engineering development process and performance of the Dakota structural IP system as predicted by finite element simulations and the correlation of the predicted behavior through frontal barrier vehicle crashes.
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Citation
Evans, D., Chapman, D., and Soncrant, J., "Engineering Development and Performance of the Chrysler Dakota Fully-Integrated Thermoplastic Instrument Panel," SAE Technical Paper 960399, 1996, https://doi.org/10.4271/960399.Also In
References
- Chapman D. Soncrant J. Evans D. “Design Advantages and Benefits of the Chrysler Dakota Fully-integrated Thermoplastic Instrument Panel,” International Congress and Exposition Detroit, MI February 26-29 1996 SAE Paper No. 960398
- Spuria J. “Weldability of PC/ABS Resins in Structural Instrument Panel Applications,” International Congress and Exposition Detroit, MI February 26-29 1996 SAE Paper No. 960700
- Lorenzo L. Chapman D. Giba R. “Material Selection Guidelines for Structural Instrument Panel Applications,” International Congress and Exposition Detroit, MI February 27 March 2 1995 SAE Paper No. 950642
- Kauffmann K. Hertema D. “Dynamic Modeling and Correlation to Impact Testing of Welded Ribbed Plaques,” International Congress and Exposition Detroit, MI February 27 March 2 1995 SAE paper No. 950641