DSM plastics benefit automotive industry
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DSM Engineering Plastics product story
Edited by the Engineeringtalk editorial team
Jul 7, 2009
DSM Engineering Plastics has introduced new materials and specific grades of existing materials to meet automotive-industry trends for lighter, more effective and greener solutions.
According to Richard Frissen, business-development manager automotive at DSM Engineering Plastics, EandE is one of the major drivers for innovation in the automotive industry.
He said: 'For years the value of electric and electronics content in automotive has been growing between 5-10 per cent per annum.
'New electrical systems and components are added to improve car comfort, safety or fuel economy.
'Engineering plastics play an important role in this segment, mostly as casing to contain and protect electrical and electronic content from its environment and/or to secure electrical insulation.
'Typical applications include electrical components such as junction boxes, ECU housings, E-motors, gear housings, bobbins, connectors, switches and wire-harness insulation.
'Another main driver is the hybridisation and advanced battery technology as the most predominant 'green' trend of the industry, with its main goal to realise fuel economy and reduced CO2 emissions.
'These new hybrid systems are facilitating and growing the need for new on-demand systems such as electrical power steering, electrical water and electrical oil pumps, as they can easily supply the electric power needed.
'For instance, by replacing a mechanically driven water pump with an electric one, with the additional benefits that it can be regulated and operated independently from the engine, approximately 0.2l/100km of fuel can be saved.
'However, as the automotive industry continues to look for system cost reduction, improved reliability and weight reduction for fuel economy, it is important that any innovation should not lead to a significant increase in car weight and/or reliability issues originating from complexity of the electrical wire harness architecture.' In these types of applications, the majority of engineering plastics used are PAs and PBTs, because they offer either easy processing and assembly (PA6) or dimensional stability and high dielectric strength (PBT).
On part-component level, DSM offers products for parts integration (for example Laser Direct Structuring Technology), reduced wall thicknesses (for example Stanyl High Flow PA46), cycle time reductions (for example Akulon Ultraflow PA6) and base polymer cost-down alternatives such as PPA replacement by Arnite PET.
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