Comau, Inc.

Cristina De Chirico

Giovanni Di Stefano

Mauro Maestri

Massimo Gattabria

Carmelo Marsicovetere

An electronically-controlled electric resistance welding head and method having a support structure and the electrodes located on the same side. The welding head including a ground electrode having an elastic device and a detecting device for detecting a force load on the elastic device on contact with a component to be welded. A welding electrode is movable relative to the ground electrode and the support structure to contact the component to be welded. An electronic control unit is operable to selectively increase the force applied by each electrode when in contact with the component to be welded until respective threshold values are achieved. Current is generated by a transformer for passage to the electrodes.

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Grugliasco, Italy

Cristina De Chirico