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    • 8. 发明授权
    • Electrical-assisted double side incremental forming and processes thereof
    • 电辅双面递增成型及其工艺
    • US08741079B2
    • 2014-06-03
    • US13221304
    • 2011-08-30
    • John RothJian Cao
    • John RothJian Cao
    • B21D26/00
    • C21D1/09B21D31/005B21D37/16B21J1/06C21D1/40C21D7/02C21D7/13C21D9/0018C21D9/0068C21D9/46C21D9/48C21D2261/00
    • A process for forming a sheet metal component using an electric current passing through the component is provided. The process can include providing a double side incremental forming machine, the machine operable to perform a plurality of double side incremental deformations on the sheet metal component and also apply an electric direct current to the sheet metal component during at least part of the forming. The direct current can be applied before or after the forming has started and/or be terminated before or after the forming has stopped. The direct current can be applied to any portion of the sheet metal. The electrical assistance can reduce the magnitude of force required to produce a given amount of deformation, increase the amount of deformation exhibited before failure and/or reduce any springback typically exhibited by the sheet metal component.
    • 提供了使用通过该部件的电流来形成钣金元件的工艺。 该方法可以包括提供双面增量成型机,该机器可操作以在金属片部件上执行多个双面增量变形,并且还在成形的至少一部分期间向金属片部件施加电直流电。 可以在成形开始之前或之后施加直流电流和/或在成形停止之后终止直流电流。 直流电可以应用于金属片的任何部分。 电气辅助可以减少产生给定量的变形所需的力的大小,增加在故障之前显示的变形量和/或减少通常由金属片组件表现的任何回弹。