Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 3, 2020
Patent Application Number
16124900
Date Filed
September 7, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
To provide a spot welding system capable of shortening a cycle time of spot welding. A robot controller measures a time between a transmission time of a welding command signal to a welding machine and a reception time of a welding completion signal, after determining completion of pressuring by a spot welding robot, and subtracts a predetermined welding time from the measured time, thereby calculating a communication delay time between the robot controller and the welding machine. A spot welding system advances transmission timing of the welding command signal and the welding completion signal by the calculated communication delay time.
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