Abstract
Paper presents results of the laboratory tests concerning with measurements of the acoustic emission of the power steering column equipped with a modified composite gear body juxtaposed with the production version of the power steering column with the gear body made of aluminium alloy. The new, developed power steering column worm gear housing is made of a polymer called polydicyclopentadiene (PDCPD) and the Reaction-Injection-Moulding technology was used to produce it (the shortcut of the technology name is RIM technology). Both types of the worm power steering housings were tested to analyse their properties of acoustic emission. Results of the tests are very important considering noise generated during exploitation of a car’s power steering system.
Highlights
Automotive industry is one of the main elements of the global industry
New versions of each car model are introduced to the market every few years and it is expected that the newer version will has better properties of exploitation than the previous one
While using the polydicyclopentadiene polymer and RIM technology, non-classical piezoelectric transducer could be implemented into the power steering housing to create a smart structure that could be able to damp vibration or control the technical conditions of the system
Summary
Automotive industry is one of the main elements of the global industry. It is characterised by a very dynamic development and a high competitiveness. New versions of each car model are introduced to the market every few years and it is expected that the newer version will has better properties of exploitation than the previous one This is why applications of new materials and new technologies of production are very important to achieve a high technological level and to be competitive. The tests that aim was to verify acoustic emission of both types of the considered systems were carried-out It should be mentioned, that introduction of the PDCPD worm gear housing brings new possibilities of implementation of smart materials, for example piezoelectric transducers into its structure and create smart, mechatronic structures [1, 2, 10, 11]. While using the polydicyclopentadiene polymer and RIM technology, non-classical piezoelectric transducer could be implemented into the power steering housing to create a smart structure that could be able to damp vibration or control the technical conditions of the system
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