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    • 3. 发明申请
    • Method and Apparatus for Counteracting Stress in a Metal Product
    • 用于抵抗金属制品中的应力的方法和装置
    • US20080041555A1
    • 2008-02-21
    • US11461135
    • 2006-07-31
    • Thomas M. ZurewichEdward M. Urban
    • Thomas M. ZurewichEdward M. Urban
    • B60R13/08B32B3/30B22D11/10
    • B21D3/00B21C23/14
    • A method for forming a metal product includes providing a counter stress feature in the metal product that is positioned to balance the stress in the metal product. The method includes providing a metal product having a neutral axis; providing a cutout in the metal product on a first side of the neutral axis; and providing a counter stress feature on a second side of the neutral axis. The position and size of the counter stress feature is predetermined such that the counter stress feature balances the stress introduced by the cutout. An extruded metal product includes a web having a neutral axis, at least one cutout in the web on a first side of the neutral axis, and at least one indentation in the web on a second side of the neutral axis. The at least one indentation is positioned to balance the stress introduced by the at least one cutout.
    • 一种用于形成金属产品的方法包括在所述金属制品中提供抗应力特征,该特征被定位成平衡金属产品中的应力。 该方法包括提供具有中性轴的金属产品; 在所述中性轴的第一侧上在所述金属制品中设置切口; 并在中性轴的第二侧提供反应力特征。 应力特征的位置和尺寸是预定的,使得应力特征平衡由切口引入的应力。 挤出的金属产品包括具有中性轴线的腹板,在中性轴线的第一侧上的腹板中的至少一个切口和在中性轴线的第二侧上的腹板中的至少一个凹陷。 所述至少一个压痕被定位成平衡由所述至少一个切口引入的应力。