In aircraft construction, where aluminium alloys are the main materials in use, cutting rates of 95 % are common. High material removal rates and short production times are of decisive importance for the economical aspect of the cutting process. Both in aircraft construction and in aerospace building the weight minimization and high quality of the whole vehicle are most important factors. So even with materials difficult to machine, high removal rates even in small dimensions are of vital interest in aerospace constructions. The lot size in aerospace is relatively small, in order to operate to full capacity the flexibility of the machine and process is of second major interest. It is not only a high cutting speed which increases the effectiveness of processes, but high feed rates at medium cutting speeds should also be taken into account (high-efficient machining). A high spindle power is necessary, because it is usually not the workpiece characteristics or the cutting tool which limits the cutting parameters alone. High-efficient machining makes use of the advantages of high speed machining, such as lower tendency to burr formation, lower cutting forces and excellent surface quality in finishing. High efficient milling in producing a thrust chamber of Ariane 5 shall be presented in this paper.


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    Title :

    High-efficient machining in aerospace-materials


    Additional title:

    Hochwirksame Zerspanung von Werkstoffen der Luft- und Raumfahrttechnik


    Contributors:


    Publication date :

    2002


    Size :

    9 Seiten, 9 Bilder, 8 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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