FIELD: electricity.
SUBSTANCE: tandem welding system comprises spaced apart electrodes for movement with same speed and jointly making weld joints. A data storage device stores measured data for each electrode when making a weld joint. The device carries out a process, which includes selection of measured data for each electrode, corresponding to the electrode passing through a control position and comparison of selected measured data of several spaced out electrodes for calculation of the weld joint parametre of the tandem welding system in the control position.
EFFECT: increased operational reliability.
38 cl, 8 dwg
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