arc welding

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arc welding

Post by rich the mechanic on Sun Nov 17, 2013 9:06 pm

So the other day my mate says "do you want my arc welder it's got loads of stuff with it and there is a spot welder attachment" well it would have been rude to say no so here it is.
Pic two shows the spot gun there is a supplies leaflet in the box dated 1982. Does anyone know where you can get the replacement carbon arc tips for these?
Last pic is a stitch welder attachment although I'm not sure why there is a crocadile clip on the end.
My last question for now is will these attachments work with an invertor as I have one and it weighs so much less than the old transformer one and the closest I can get to the power is 30m and every thing has to be carried or rolled.





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Re: arc welding

Post by HighlyJetted on Sun Nov 17, 2013 10:01 pm

I know so little about this sort of stuff.

But I would have taken if for free too!!
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Re: arc welding

Post by Logi on Mon Nov 18, 2013 6:03 am

Wow, thats old, haven't seen a spot attachment like that for years. Good price too Wink
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Re: arc welding

Post by rich the mechanic on Wed Nov 20, 2013 8:58 pm

I have found out the stitch welder is not what it seems, it is a Rawlplug welders mate and it's 12v and they were more of a gizmo to run off a car battery, but I have a pile of rods that I wouldn't trust beeing that old that they haven't got damp and degraded so I will have a play and see what it does.
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Re: arc welding

Post by Guest on Thu Nov 21, 2013 12:13 am

Blimey !!! I remember those being advertised in Exchange & Fart and the 60's & 70's Car mags. 
 
Quite an antique but amazing to find one like that in unused condition and still in the box too.

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Re: arc welding

Post by elfin girl on Thu Nov 21, 2013 1:39 am

haha, id have taken it for free too.... and i wouldnt have a clue what to do with it, only welding ive done was nearly 20 years ago at college!
have fun!
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Re: arc welding

Post by rich the mechanic on Thu Nov 21, 2013 8:45 pm

daisydon wrote:haha, id have taken it for free too.... and i wouldnt have a clue what to do with it, only welding ive done was nearly 20 years ago at college!
have fun!
I've been welding on and off for 17 years and it is all hand me down/on gear but from my mate who doesn't forsee owning anything that needs welding but knows where I am if he needs it.
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Re: arc welding

Post by rich the mechanic on Wed Jan 08, 2014 10:55 pm

For the ones with some electricery knowlege are these old buzz boxes ac or dc I can find a single syne wave symbol on the casing but thats it and I know both sorts exist over the pond but I can't find any info online.

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Re: arc welding

Post by HighlyJetted on Thu Jan 09, 2014 11:04 am

I would assume they are AC.

They are just a big fat transformer.

I am pretty sure there is no rectification circuitry in there.

Actually I am pretty confident they use an AC arc.
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Re: arc welding

Post by rich the mechanic on Sat Jan 11, 2014 6:54 pm

I can only find info on DC arc welding in the UK and both in the states I did ask the bolke at work who is the main welder and he couldn't recall a UK AC stick welder and there is definatly rectification going on some where in mine as it has a battery charging option.
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Re: arc welding

Post by Logi on Sat Jan 11, 2014 7:05 pm

I'm pretty sure all arc is dc? Tig can be ac, but I don't think arc can?

(tho I could be wrong, has happened before... Wink )
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Re: arc welding

Post by HighlyJetted on Sat Jan 11, 2014 9:05 pm

I am probably totally wrong, welding really is not my strong point.
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Re: arc welding

Post by rich the mechanic on Tue Jan 21, 2014 8:46 pm



I "borrowed" some tig brazing rod from work and had a go using a single carbon arc rod and arcing direct to earthed work piece and this is the result first go a bit bumpy but all glued together and the welder at work said it was ok just need to try the twin arc and normal bronze rod.


Last edited by rich the mechanic on Tue Jan 21, 2014 8:47 pm; edited 1 time in total (Reason for editing : more info)
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Re: arc welding

Post by HighlyJetted on Tue Jan 21, 2014 9:54 pm

Doesn't look overly ugly at all
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Re: arc welding

Post by rich the mechanic on Tue Jan 21, 2014 10:08 pm

That angle looks the best it's a bit lumpy.



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Re: arc welding

Post by HighlyJetted on Tue Jan 21, 2014 10:28 pm

Have you ever seen this page:-

http://www.gowelding.org/TIG_Welding.html

How to convert a stick welder into a TIG welder
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Re: arc welding

Post by rich the mechanic on Wed Jan 22, 2014 9:57 pm

That actual page no but lots very similar, an arc buzzbox with a tig torch and bottle added gives you a scratch start tig this means that the torch has full power all the time it is on and you initiate the arc like you strike a match however if you loose the arc and don't wait long enough to let the tungsten cool you can transfer steel to it and disrupt the arc, I have a arc invertor as well as my buzzbox these are not as tough as a buzzbox but as it is electronics rather than a transformer you get extra control like anti stick so on, it stops you getting the rod stuck to the work, mine has a lift tig function which means that you have to touch down on the work to make a circuit but when you break the circuit it kicks in full power (upto your setting on amps) still possible to get the transfer if to hot but won't direct short like a plain buzzbox so reduces the possible problem, Proper tig units have these functions too as in some cases make the work easier but for general use the pedal allows a big burst of full power and you can adjust on the go aswell as upslope/down slope settings, high frequency starts, ac/dc settings and a whole load of other stuff I can't remeber right now. I did this brazing with one carbon arc rod in the tig style using tig brazing rod I have a little normal brazing rod and a twin carbon arc torch for heating like using gas which ius my next thing to try out.
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Re: arc welding

Post by Logi on Wed Jan 22, 2014 10:40 pm

Scratch start's are fun, the two most used words when learning are "fuck" and "it", usually used in quick succession after sticking to the metal.... Wink (tho to be fair I'm pretty good with my tig now Smile )
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Re: arc welding

Post by HighlyJetted on Wed Jan 22, 2014 11:17 pm

I am so rubbish at welding Sad
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