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    • 4. 发明申请
    • Method and device for permanently joining overlapping, plate-shaped parts
    • 用于永久连接重叠的板状部件的方法和装置
    • US20050229378A1
    • 2005-10-20
    • US11095930
    • 2005-03-30
    • Stephan DietrichReinhard Mauermann
    • Stephan DietrichReinhard Mauermann
    • B21D39/03B23P11/00B21D39/00
    • B21D39/031Y10T29/49908Y10T29/49924Y10T29/53065
    • Especially for increasing the process security and reliability of permanent connections between overlapping materials, a method is suggested for permanently joining overlapping plate-shaped parts, particularly metal sheets, by producing an undercut between the parts in a deforming manner, the method comprising the following steps: disposing the parts to be joined between a protrusion of a punch tool and a support area of a counter-tool, forming a temporary elevation on the side of the parts that faces the counter-tool, by pressing the punch protrusion into the parts to be joined against the support area at least until the parts rise from the support area outside the forming elevation, and forming an undercut in the parts by flattening the elevation between punch tool and counter-tool by the punch tool further approaching the counter-tool. Furthermore, a device is suggested for carrying out said method.
    • 特别是为了提高重叠材料之间的永久连接的工艺安全性和可靠性,建议通过以变形的方式在部件之间产生底切永久地连接重叠的板状部件,特别是金属板的方法,该方法包括以下步骤 :将待接合部件配置在冲压工具的突出部和对置工具的支撑区域之间,通过将冲头突出部压入部件而形成在面向对向工具的部件侧的临时高度 至少直到部件从成形高度以外的支撑区域上升,并且通过进一步靠近对置工具的冲压工具使打孔工具和对应工具之间的高度平坦化,从而在部件中形成底切。 此外,建议用于执行所述方法的装置。