Materials cut air duct weights
A
DSM Engineering Plastics product story
Edited by the Engineeringtalk editorial team
Jul 3, 2007
Arnitel PB 582-H from DSM Engineering Plastics replaced rubber in an air duct application, leading to a 50% cut in weight and cycle time.
In a recent clean air duct application where Arnitel PB 582-H from DSM Engineering Plastics replaced rubber, the move yielded for a a weight reduction of 50% and cycle time reduction of 50% compared to rubber.
This resulted in Eur 0.6 processing saving per part and a Eur 0.8 fuel saving per part.
This added up to a total annual saving of Eur 70,000 for 50,000 parts.
Many automotive applications are currently designed in high-end rubbers.
Typically these applications are a combination of metal and rubber, making them expensive to produce.
Every application has to be designed specifically for every engine/platform combination to optimise the dynamic response and account for the load bearing requirements.
This design typically involves fine tuning the rubber formulation to every specific application.
Arnitel is suited for these applications, with excellent load bearing capabilities, its relatively constant mechanical behaviour over the automotive temperature range and its flexibility in design and mechanical properties.
Significant redesign will be key to this application to fully make use of the added performance of Arnitel.
Materials such as Stanyl and Arnitel allow lower system costs, because of faster production cycles leading to lower processing costs per part, lower after-treatment costs, greater freedom of design leading to lower material and/or processing costs per part and better part performance compared to competitive high-heat resins.
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