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Intensiv mig mma -200


Daniel Daniel Johny

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Salut.Am acest aparat care a venit fara IGBT uri la mine fiind reparat de altcineva.Cel care l-a reparat a indicat pe placa ca igbturile au fost fgh 40n60.

Am pus 4 igbturi fgh 60n60 pentru a-i face un upgrade si am masurat semnale in grile si totul era ok.

Am incercat sa sudez cu el la un curent mic cu electrod de 2,25 dar arcul era f mic din cauza limitarii cred si dupa citeva secunde au facut un poc mare...

Acum nu stiu de ce sa ma leg  ....de igbturi  care la felul cum au fost distruse imi spune ca tensiunea pe ele a fost prea mare acestea fiind probabil la 1200 v sau un defect intern.

Imi poate spune cineva ce IGBTURI are mai exact acest tip de aparat?

Voi posta si niste poze cu el.

Multumesc.

 

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