Every car maker is trying to improve fuel economy to cope with environmental issues. One of the measures is to promote weight savings by utilizing components made from resins. There is a strong movement to change idier pulleys used on engine belt systems, from conventional steel to resin material. However, it is difficult for a resin idler pulley to satisfy all performance requirements for mechanical strength, dimensional stability, heat resistance, chemical resistance, wear resistance and cost. In a contaminated environment such as with road dust and in the use of metal molds, it has been found that phenolic resin is a suitable material because of its mechanical strength, dimensional stability, chemical resistance and cost. A phenolic resin blend was developed for idler pulleys that balances superior wear resistance with high machinability. A material with improved abrasion resistance to foreign materials and improved thermal shock resistance was developed. Moreover, since the pulley is molded directly to the bearing, the performance of the idler is dependant on the proper shape of the components. The basic bearing performance was confirmed, and an optimum design for durability, size and weight was achieved. An idler made of a phenolic resin pulley was developed.


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    Title :

    High-performance phenolic resin idler pulley


    Additional title:

    Hochleistungs-Phenolharz-Spannriemenscheibe


    Contributors:
    Arai, H. (author) / Sakata, Y. (author) / Mori, K. (author)


    Publication date :

    2003


    Size :

    7 Seiten, 23 Bilder, 2 Tabellen, 6 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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