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    • 2. 发明授权
    • Method and device for producing bent spring elements
    • 用于生产弯曲弹簧元件的方法和装置
    • US08333093B2
    • 2012-12-18
    • US12159052
    • 2006-11-17
    • Josef KlecknerJulius MazurkiewiczPaul Criel
    • Josef KlecknerJulius MazurkiewiczPaul Criel
    • B21F11/00
    • B21D53/886B21D7/08B21D11/10B23D25/04B23D25/08B60S2001/3898Y10T29/49609
    • The invention is based on a method of producing bent spring elements from a spring steel strip (14), wherein a feed unit (16) delivers the spring steel strip (14) from a supply roll (12) to a bending unit (32) having at least three bending rollers (34) and a reverse bending roller (36), of which at least one bending roller (34) and the reverse bending roller (36) can be adjusted transversely to the spring steel strip (14) by bending motors (60, 62), and wherein a cutting-off unit (44) adjoins the bending unit (32), said cutting-off unit (44) cutting off the spring steel strip (14) into individual spring elements by means of cutting-off tools (46, 48; 76, 78). It is proposed that the cutting-off tools (46, 48; 76, 78) be movable in the longitudinal direction of the spring steel strip (14) in a numerically controlled manner and that they be synchronized with the feed movement of the spring steel strip (14) during the cutting-off operation.
    • 本发明基于从弹簧钢带(14)制造弯曲弹簧元件的方法,其中进给单元(16)将弹簧钢带(14)从供给辊(12)输送到弯曲单元(32) 具有至少三个弯曲辊(34)和反向弯曲辊(36),其中至少一个弯曲辊(34)和反向弯曲辊(36)可以通过弯曲横向地调节到弹簧钢带(14) 电动机(60,62),并且其中切断单元(44)邻接弯曲单元(32),所述切断单元(44)通过切割将弹簧钢带(14)切割成单独的弹簧元件 (46,48; 76,78)。 建议切割工具(46,48; 76,78)可以以数字控制的方式在弹簧钢带(14)的纵向方向上移动,并且它们与弹簧钢的进给运动同步 在切断操作期间条带(14)。