FIELD: machine building.
SUBSTANCE: vibration welding is performed by means of multitude of mechanically untied vibration heads each connected to frequency converter. Frequency converters are jointed with electrical circuit so, that one of the frequency converters functions as a leading converter, while the rest frequency converters operate as subordinate ones.
EFFECT: control of leading converter facilitates both synchronous and specified asynchronous mode of operation of vibration heads.
10 cl, 2 dwg
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