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Beachbuggy.se - svenskt Beach Buggy-community • Visa tråd - Problem med en svetstransformator

Problem med en svetstransformator

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Moderatorer: Magoo, kg-student, Björn J., fgronlun

Problem med en svetstransformator

Inläggav Björn J. » mån 19 mar 2018, 20:26

Jag har en väldigt enkel elsvets, "pinnsvets". En gul, ESAB tror jag...
Den har jag mestadels använt till att laga grannskapets smidesstaket med. När olika entreprenörer skall ha in minigrävmaskiner i trädgårdarna för dränering eller nedläggande av breda och smala kablar, liksom ledningar till fjärrvärme, ja då har dom satt vinkelslipen i staketen och sågat av dem, och sedan inte återställt efter sig, då har jag tjänat några hundringar på att svetsa ihop det igen... Lång inledning..

I helgen var det dax igen, när jag var nästan klar lade svetsen av, kontrollampan lyste men ingen spänning ut. Innan dess hade 16 ampersproppen i elskåpet löst ut tre gånger... Varför det?
Idag skruvade jag av kåpan, vad finner jag, en stor trafo naturligtvis. Sätter i kontakten och mäter, ja mellan 48 och 50 volt ut i hållaren till svetspinnarna och krokodilklämman, precis som det skall vara enligt typskylten. Finner även en sådan där värmesäkring, bimetallbrytare, måhända hade den löst ut i helgen? Tycker att kontrollampan skulle slocknat då...
Jag testade inte att svetsa idag, nöjde mig med att mäta spänningen, eftersom det var spänningslöst när den lade av.

...
Om grejerna inte funkar, kroma dem!!
VW Buggy 1600 -68.
Användarvisningsbild
Björn J.
 
Inlägg: 3790
Blev medlem: fre 23 nov 2012, 11:54
Ort: Göteborg

Re: Problem med en svetstransdormator.

Inläggav kg-student » ons 21 mar 2018, 20:37

Du måste bibehålla spänningen i din berättelse. Inte kan det sluta sådär? Jag tyckte mig ana några ledande frågor i texten.
Du får lägga en kabel i nödfall, slå en volt och hoppas på mer spänning. 8)
Strömmen är det inget fel på. Om man bara hittar var den är. :mrgreen:


Hemsida:
Användarvisningsbild
kg-student
 
Inlägg: 3023
Blev medlem: sön 04 feb 2007, 22:39
Ort: Helsingborg

Re: Problem med en svetstransdormator.

Inläggav Björn J. » fre 23 mar 2018, 16:47

Om grejerna inte funkar, kroma dem!!
VW Buggy 1600 -68.
Användarvisningsbild
Björn J.
 
Inlägg: 3790
Blev medlem: fre 23 nov 2012, 11:54
Ort: Göteborg


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