Advanced gear systems both in marine and industrial fields are exposed to increasing demands. No matter whether stationary high speed gears up to 140 MW or CGAG and CODAG power transmission marine gears are addressed, a supplier of heavy duty production gears has to provide at utmost interface flexibility the optimized technique for any kind of installation in close co-operation with power plant supplies or Navies and shipyards. The optimization of load carrying capacity and lowest noise performance require ultimate refinement of toothed gears and bearings in continuous development of technology enhancement. Therefore it is extremely important to select the appropriate macro geometry parameters and tooth correction values, supported by continuously adapted calculation methods. Experimental investigations as carried out by highly respected institutes lead to results transferred directly into the gear design. Moreover, as theory needs to be transferred to real operable gears with the required accuracy applicable, heat treatment processing and grinding tools are to be continuously adjusted to the latest stage of technology. In this paper the basics for high speed gear design and a selection of numerous applications in detailed design and operational needs are presented. First load distribution in circumferential direction and load distributions across face width (elastic deflections, non-load related deviations) are described. Then optimised geometry of low noise gears is described with the following issues: source of noise, selection of basic geometry for noise attenuation, research on gear noise. The state of the art high speed gear includes a sophisticated gear design respecting any kind of external impacts to operational conditions. Heat expansion and low noise signature requirements are to be compensated by the appropriate selection of the macro tooth geometry combined with refined lead and profile tooth corrections. Double helicals show the best performance throughout numerous applications.


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    Title :

    High speed gears for extreme applications in industrial and marine fields


    Additional title:

    Hochdrehzahl-Getriebe für Extremanwendungen in Industrie und Marine


    Contributors:
    Weiss, Toni (author) / Hoppe, Franz (author)


    Publication date :

    2005


    Size :

    26 Seiten, 23 Bilder, 2 Tabellen, 7 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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