As the global automotive industry continues to strive for improved performance at lower costs, the use of blow-molded thermoplastics in underhood components offers a wide range of benefits, including: Underhood applications where blow-molded technology can provide these advantages include turbo- charge ducts, air ducts, crankcase venting hoses, resonators, coolant reservoirs, and pipes and hoses for oil cooling, air conditioning and coolant systems. This technology is now used in the European automotive market and in Japan. Development work is currently going on in the U.S. as well as Asia Pacific.This paper will provide an in-depth look at several commercial applications of blow-molded components in the automotive powertrain. For each kind of application, this paper will review performance requirements and discuss proper material selection for these requirements. Materials reviewed will include thermoplastic elastomers, PBT and polyamides (nylon 6 and 66). Special processing techniques will be outlined where appropriate and benefits gained from the blow-molded component will be detailed. Finally, the paper will provide a summary of key applications, recommended materials and special processing techniques for blow-molded engine components.
Use of Blow Molding to Improve Weight, Cost, Assembly and Performance Characteristics of UnderHood Components
Sae Technical Papers
International Congress & Exposition ; 1998
1998-02-23
Conference paper
English
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