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公开(公告)号：US20130098135A1
公开(公告)日：2013-04-25
申请号：US13276784
申请日：2011-10-19
摘要： A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
摘要翻译： 一种用于对面板进行折边的工具和方法，其中所述工具接合凸缘以施加具有止动件的压缩力，其最初防止所述凸缘的远端向内移动。 折边工具将凸缘的中间部分弯曲到凸缘弯曲部和远端之间朝向面板。 撤回止动件以允许凸缘朝向面板逐渐形成，直到远端与中间部分对准。
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2.发明授权公开(公告)号：US07802457B2
公开(公告)日：2010-09-28
申请号：US12114983
申请日：2008-05-05
CPC分类号： B21D26/12 , B21D26/00 , B21D26/021 , B21D26/027 , Y10T29/49803 , Y10T29/49806
摘要： An electrohydraulic forming (EHF) tool and a method of forming a sheet metal blank in an EHF operation. The tool may include a pair of electrodes and may be filled with a liquid. A high voltage discharge may be produced between the electrodes in a manner that induces a shockwave within the fluid. The shockwave may produce sufficient force within the liquid to form the blank against a die.
摘要翻译： 电动液压成型（EHF）工具和在EHF操作中形成金属板坯料的方法。 该工具可以包括一对电极并且可以填充液体。 在电极之间可以产生高压放电，其方式是在流体内引起冲击波。 冲击波可能在液体内产生足够的力以将模坯形成模具。
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公开(公告)号：US07516634B1
公开(公告)日：2009-04-14
申请号：US12114998
申请日：2008-05-05
CPC分类号： B21D26/12 , Y10S72/707 , Y10T29/49803 , Y10T29/53448
摘要： An electrohydraulic forming (EHF) tool having a pair of electrodes that can be used to generate a shockwave to facilitate forming a sheet metal blank against a forming die. The electrodes may be adjusted during the course of operation. This may be useful should continued use cause their efficiency to drop below a desired threshold.
摘要翻译： 一种具有一对电极的电动液压成型（EHF）工具，其可用于产生冲击波，以便于使成形模具形成金属板坯料。 可以在操作过程中调节电极。 如果继续使用会导致其效率降至所需阈值以下，这可能是有用的。
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公开(公告)号：US08875554B2
公开(公告)日：2014-11-04
申请号：US13276784
申请日：2011-10-19
摘要： A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
摘要翻译： 一种用于对面板进行折边的工具和方法，其中所述工具接合凸缘以施加具有止动件的压缩力，其最初防止所述凸缘的远端向内移动。 折边工具将凸缘的中间部分弯曲到凸缘弯曲部和远端之间朝向面板。 撤回止动件以允许凸缘朝向面板逐渐形成，直到远端与中间部分对准。
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5.发明申请公开(公告)号：US20090272168A1
公开(公告)日：2009-11-05
申请号：US12114983
申请日：2008-05-05
CPC分类号： B21D26/12 , B21D26/00 , B21D26/021 , B21D26/027 , Y10T29/49803 , Y10T29/49806
摘要： An electrohydraulic forming (EHF) tool and a method of forming a sheet metal blank in an EHF operation. The tool may include a pair of electrodes and may be filled with a liquid. A high voltage discharge may be produced between the electrodes in a manner that induces a shockwave within the fluid. The shockwave may produce sufficient force within the liquid to form the blank against a die.
摘要翻译： 电动液压成型（EHF）工具和在EHF操作中形成金属板坯料的方法。 该工具可以包括一对电极并且可以填充液体。 在电极之间可能会产生高压放电，从而在流体内引起冲击波。 冲击波可能在液体内产生足够的力以将模坯形成模具。
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