Development of the Overmolding Instrument Panel

Paper #:
  • 2013-01-0018

Published:
  • 2013-03-25
Citation:
Byungseok, K., "Development of the Overmolding Instrument Panel," SAE Technical Paper 2013-01-0018, 2013, https://doi.org/10.4271/2013-01-0018.
Author(s):
Affiliated:
Pages:
6
Abstract:
We developed the hard IP (Instrument Panel) that is integrally over molded with a soft layer (TPO, Thermo Plastic Olefin) for the soft feeling and cost reduction. And also we produced the cost-effective PAB(Passenger-side Airbag) door system that had an in-mold tearseam and avoided competitors' patents simultaneously.The development procedure of this technology is; ①Material for overmolding②Design optimization③Solving tool challenges.The reduction of process through integrally molding with soft material helped to accomplish a soft feeling on the IP and cost reduction at the same time. The deployment, head impact and heat aging tests were conducted and 5 patents were applied such as the optimization of the mold structure and injection condition.
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