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1. 发明公开

EP3041635A4 WELD HEAD 有权转让
标题翻译： SCHWEISSKOPF
公开(公告)号：EP3041635A4
公开(公告)日：2017-03-29
申请号：EP14842446
申请日：2014-09-05
申请人： AMADA MIYACHI AMERICA INC
发明人： CIELINSKI DAVID , RODIGHIERO MARK , GREEN MATTHEW A
IPC分类号： B23K11/11 , B23K11/31 , B23K11/36
CPC分类号： B23K11/311 , B23K11/115 , B23K11/315 , H02P29/60
摘要： A weld head for spot welding two or more components together. The weld head includes first and second electrode assemblies and a linear actuator motor to drive the first electrode assembly into a desired position and apply a desired clamping force. The weld head may include a sensor configured to measure a temperature of the motor and a controller configured to monitor the temperature and adjust the current supplied to the motor to maintain the desired clamping force. The weld head may include linear encoder to measure the position of the linear actuator motor and an algorithm that correlates the position of the motor with a force constant of the motor. Based on the position of the motor and the corresponding force constant of the motor, the controller is configured to adjust the current supplied to the motor to maintain the desired clamping force.
摘要翻译：用于将两个或更多部件点焊在一起的焊接头。焊头包括第一和第二电极组件以及线性致动器电机，以将第一电极组件驱动到期望位置并施加期望的夹持力。焊头可以包括被配置成测量电动机的温度的传感器以及被配置为监测温度并调节供应到电动机的电流以保持期望的夹紧力的控制器。焊头可以包括线性编码器以测量线性致动器电机的位置以及将电机的位置与电机的力常数相关联的算法。基于电动机的位置和电动机的相应的力常数，控制器被配置为调节供应到电动机的电流以保持期望的夹紧力。

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