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1. 发明授权

US08969750B2 Method and apparatus for controlling electrode arms of a welding device 有权
标题翻译：用于控制焊接装置的电极臂的方法和装置
公开(公告)号：US08969750B2
公开(公告)日：2015-03-03
申请号：US11793929
申请日：2005-11-30
申请人： Florian Braun , Thomas Laubacher , Helmut Schneider-König , Frank Schnur
发明人： Florian Braun , Thomas Laubacher , Helmut Schneider-König , Frank Schnur
IPC分类号： B23K9/28 , B23K11/31
CPC分类号： B23K11/317 , B23K11/314
摘要： The invention relates to a compensation cylinder unit that acts as a drive for the electrode arms of a welding device. The unit comprises a cylinder and at least two pressure chambers, which are sub-divided by a piston assembly and which can be alternately supplied with a pressurized medium by means of a valve assembly for controlling the drive displacement. According to the invention, the valve assembly comprises a proportional valve which can be controlled by a control unit, first in accordance with harmonized path signals that represent the position of the piston assembly and then by pressure signals that respectively represent the pressure in the pressure chambers, in such a way that the difference between the pressures that prevail in the pressure chambers in a predeterminable position of the piston assembly assumes a constant value that represents the weight compensation force of at least one electrode arm.
摘要翻译：本发明涉及作为焊接装置的电极臂的驱动器的补偿缸单元。该单元包括气缸和至少两个压力室，其被活塞组件分割，并且可以通过用于控制驱动位移的阀组件交替地供应加压介质。根据本发明，阀组件包括比例阀，其可以由控制单元控制，首先根据表示活塞组件位置的协调路径信号，然后通过分别表示压力室中的压力的压力信号，使得在活塞组件的可预定位置中的压力室中的压力差之间的差异为表示至少一个电极臂的重量补偿力的恒定值。

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