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    • 1. 发明申请
    • METHOD AND DEVICE FOR MONITORING A SPOT WELDING PROCESS
    • 用于监测点焊工艺的方法和装置
    • WO2007039543A1
    • 2007-04-12
    • PCT/EP2006/066836
    • 2006-09-28
    • ABB ABKJELLSSON, JimmyINGEMANSSON, Joakim
    • KJELLSSON, JimmyINGEMANSSON, Joakim
    • B23K11/25
    • B23K31/125B23K11/25
    • A method and device for supervising the welding quality in a spot welding process, comprising equipment (9) for measuring the welding current or voltage during a welding time, a data storage (11) for storing measurements of the welding current or voltage, and a calculation unit (12) adapted to calculate the pulse lengths (1) for a plurality of weld pulses, including at least one pulse at the end of the welding time, based on said information, to calculate an arithmetical relationship between the pulse lengths for at least some of said weld pulses, and said at least one pulse at the end of the welding time, and to determine the weld quality based on said arithmetical relationship.
    • 一种用于在点焊过程中监督焊接质量的方法和装置,包括用于在焊接时间期间测量焊接电流或电压的设备(9),用于存储焊接电流或电压的测量值的数据存储器(11),以及 计算单元(12),用于根据所述信息计算多个焊接脉冲的脉冲长度(1),其包括在焊接时间结束时的至少一个脉冲,以计算所述焊接脉冲的脉冲长度之间的算术关系 至少一些所述焊接脉冲,以及在焊接时间结束时的所述至少一个脉冲,以及基于所述算术关系确定焊接质量。