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1. 发明授权

US06903298B2 Resistance welding control method 有权
标题翻译：电阻焊接控制方法
公开(公告)号：US06903298B2
公开(公告)日：2005-06-07
申请号：US10647706
申请日：2003-08-25
申请人： Pei-Chung Wang , Robert T. Thornton , Kenneth R. Schmidt , Samuel Paul Marin
发明人： Pei-Chung Wang , Robert T. Thornton , Kenneth R. Schmidt , Samuel Paul Marin
IPC分类号： B23K11/11 , B23K11/25 , B23K11/24
CPC分类号： B23K11/11 , B23K11/253 , B23K11/255 , B23K11/311 , B23K31/125
摘要： This invention provides a method of producing a series of substantially uniform spot welds between two metal parts using a servomotor driven movable electrode and an axially opposing fixed electrode. Target values for electrode displacement in producing a weld indentation and electrode squeeze force are determined for the electrodes and workpieces. During welding operations electrode displacement and electrode force measurements are continually taken and compared with the displacement and force target values. While the measured values are within a tolerance range of the target values, welding is continued using the preset parameters. When either or both of the measured electrode displacement or force value falls outside the target range the total welding current is adjusted in small increments to correct the displacement and/or force values and, thereafter, welding is continued using the new total welding current.
摘要翻译：本发明提供一种使用伺服电动机驱动的可动电极和轴向相对的固定电极在两个金属部件之间产生一系列基本均匀的点焊的方法。针对电极和工件确定产生焊缝压痕和电极挤压力时电极位移的目标值。在焊接操作期间，电极位移和电极力测量被连续地采取，并与位移和力目标值进行比较。当测量值在目标值的公差范围内时，使用预设参数继续焊接。当测量的电极位移或力值中的任一个或两者都落在目标范围之外时，以小的增量调整总焊接电流以校正位移和/或力值，然后使用新的总焊接电流继续焊接。

2. 发明授权

US06446511B1 Method and system for testing a joint which joins a first member with a second member 有权
标题翻译：用于测试将第一构件与第二构件连接的接头的方法和系统
公开(公告)号：US06446511B1
公开(公告)日：2002-09-10
申请号：US09692981
申请日：2000-10-23
申请人： Robert T. Thornton , Pei-Chung Wang , James Franklin Hengel , David P. Kelly
发明人： Robert T. Thornton , Pei-Chung Wang , James Franklin Hengel , David P. Kelly
IPC分类号： G01N320
CPC分类号： G01N3/20 , G01N2203/0023 , G01N2203/0073 , G01N2203/0075 , G01N2203/0676 , G01N2203/0682
摘要： A method and system for testing joints which join one member to another member are disclosed. The method and assembly are capable of non-destructively testing joints which join such members without damaging the members or the joints.
摘要翻译：公开了一种用于测试将一个构件连接到另一个构件的接头的方法和系统。该方法和组件能够非破坏性地测试连接这些构件而不损坏构件或接头的接头。

3. 发明授权

US06624379B1 Method and apparatus for welding a metal fastener to a metal member 有权
标题翻译：将金属紧固件焊接到金属构件的方法和装置
公开(公告)号：US06624379B1
公开(公告)日：2003-09-23
申请号：US10122813
申请日：2002-04-15
申请人： Robert T. Thornton , Jerry D. Ramsden , Joseph Nida, Jr. , Pei-Chung Wang
发明人： Robert T. Thornton , Jerry D. Ramsden , Joseph Nida, Jr. , Pei-Chung Wang
IPC分类号： B23K1114
CPC分类号： B23K11/14 , B23K11/004 , B23K11/0053 , B23K11/3081
摘要： A method and apparatus for projection welding a metal fastener (e.g., a nut) to a metal member (e.g., a sheet) is disclosed. The apparatus includes a first electrical contact and a locator assembly having a second electrical contact. For welding the fastener to the member, the locator assembly aligns through-holes of the fastener and sheet and a current is passed through protrusions of the fastener. In turn, the protrusions are softened to bond with the member.
摘要翻译：公开了一种用于将金属紧固件（例如，螺母）投影焊接到金属构件（例如，片材）的方法和装置。该装置包括第一电触点和具有第二电接触的定位器组件。为了将紧固件焊接到构件上，定位器组件对齐紧固件和片材的通孔，并且电流通过紧固件的突起。反过来，突起被软化以与构件结合。

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