With global sourcing becoming more of a reality every day, it is essential for companies to invest in new technology and improve their competiteveness. The present article discusses this issue and compares the use of newer techniques like five-axis machining in America and Europe. As in Europe not only large organisations in the aerospace and automotive industries but also middle-class companies have invested in five-axis machinery they gain a technological lead over american companies. Some vital examples are presented to demonstrate the potential of taking advantage in using new five-axis machinery. A supplier of models, pattern and moulds to the aerospace and automotive industry has increased its productivity as it became possible to machine complex profiles with better appearance and less hand finishing. Another big challenge that has been overcome is the programming of software, with which complicated drilling work can be done in one setup. This includes a reduction in the number of post machining operations, a higher work rate, using faster speeds and feeds. The increase in productivity is accompanied by improved tool life. Another application described here is making checking fixtures for automotive glazing. Examples of industries like packaging, that might be thought to more low-tech are given also. This includes a company that uses software both to design bottles and to drive five-axis machine tool that engraves decorations (text, company logos) into the surface of the mould. A merit besides the significant reduction in lead time, is the possibility to undertake simulations on the computer and avoid later production mistakes on the shop floor efficiently.
Five-axis machining: UK firms leap ahead of US manufacturers
Tooling and Production ; 70 , 5 ; 50-55
2004
5 Seiten, 4 Bilder
Article (Journal)
English
spanende Bearbeitung , Axialbewegung , Werkzeugmaschine , komplizierte Form , Oberflächenveredlung , Programmierung , Software , Bohren (Spanen) , Befestigungselement , Verglasung (Produkt) , Autoindustrie , Verpackungstechnik , Gravieren , Simulation , Fertigungsablauf , Innovation , Vergleich , Europa , USA (United States of America) , Produktivität , Wettbewerbsfähigkeit , Globalisierung
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