JFE Steel has developed a new bending method (PRB) for thin-walled high strength steel tubes without a mandrel and a wiper in collaboration with Toyota Motor and Taiyo Corp. JFE Steel also developed the 780 MPa class electric-resistance-welded tubes (ERW tubes) for automotive suspension parts, and contributed to the realization of the development of the arm parts applying 780 MPa class ERW tubes. By eliminating the mandrel and the wiper, which wear out eventually and require long adjusting time, in the rotary draw bender, this new bending method enables the bending of the thin-walled high strength steel tube in high productivity as well as enabling the bending of the thin-walled high strength steel tube with irregular shape.


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    Title :

    Development of a new bending method "PRB" for high strength steel tube and application of high strength steel tubes for automotive parts


    Additional title:

    Entwicklung eines neuen Biegeverfahrens 'PRB' für hochfeste Stahlrohre und Anwendung hochfester Stahlrohre für Fahrzeugteile
    Titel japanisch


    Contributors:

    Published in:

    JFE Giho ; 17 ; 52-58


    Publication date :

    2007


    Size :

    7 Seiten, 14 Bilder, 2 Tabellen, 22 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese





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