MIG or TIG welder ?

http://www.weldac.co.uk/cebora.htm

[Edited by EvilBevel - 8/28/2002 2:56:59 PM]

 

Oh my god.

I'm staying with David for a week!

One of those auto-dimming ones is what you want.

Off to get some materials....

Paul

 

Ooh, I think I know! The thing you were after on page 3 (no, not that page 3!)

 

I assumed not as you had said previously David that this would not be coming into the car budget as you would use it on other things?



JGM

 

TIG, also bought http://www.weldac.co.uk/new_products.htm but not from here...

I used www.westcoweld.co.uk

Edited to add, didnt buy an invertor, as not too bothered about the size of the box (welder ) and it was cheaper.

David

[Edited by David_Wallis - 8/28/2002 3:05:19 PM]

 

Welder at my dad's place is 15kw (yes, 15000 watts) and about 1 metre cube with a 2 foot cooling fan. Old technology though, which is really what makes it yhuge.

I take it this is a DC and AC suitable for tigging Al?

P

 

Oh yes, AC / DC single phase tig..

so I now have...

SpotWelder
230A Mig Welder
@200A AC / DC Tig Welder

 

lets see you get the hang of ally welding

MMUUUUUUUAAAAAAAAAAAAAAAAHHHHHHHH

 

not that difficult, given practice.

about 10 rods worth should leave you able to weld moderate thickness 2mm + with reasonable success. Given that David has an understanding of the fundamental processes involved, and that he knows someone that can weld Al to show him the basics, I think it's reasonable.

Getting a decent steel topped bench is good start, fitted with a vice and a dedicated tab for the earthing clamp, or bolt the cable on using a heavy duty crimp (which it probably has anyway).

go to the library, search for info online and get stuck in mate

Paul

 

I assume that was aimed at david, as i'm not your mate

I weld for a living

 

Fuzz, quite correct

and I appreciate there is a difference between producing welds that look okay, and wont fall apart, and producing welds that are actually good and strong. not that this is the DIY tig welding thread, but you get the idea.

Paul

 

Will it help you corner better than me though.....

[Edited by P20SPD - 8/29/2002 8:21:41 AM]

 

Yes

JGM

 

Thanks for that Fuzz, you could have offered some advice on torch angle, shielding gasses, preperation, tungsten type, filler rods etc.

David

 

Sherly there must be a corner here somewhere that needs welding around?

JGM

EDIT : Obviously not.. I give up...






[Edited by Jolly Green Monster 2 - 8/29/2002 11:12:31 AM]

 

Pretty soon David will corner the market in welding accesories

EDIT: I give up too

[Edited by NotoriousREV - 8/29/2002 11:22:51 AM]

 

sad

 

 

Thought you were going to put some latest pics up soon???

Sorry about the cornering, seems i was right, you will corner better

 

took some last night, as I was in the garage late... fitted fuel pump, but didnt bother with many pics as paul has covered this in enough detail at www.cdtech.co.uk/fuelpump also mounted microswitch for WOT and Nitrous... Mounted other solenoid and also ported headers a bit more.. they will be able to go back on tonight... Slowly getting there... will be ready for well Lane

David

 

Good lad. Silly question i know, but how will you get your car to Well Lane just out of interest.

Some pics tonight?

How long did you take to do the fuel pump? ie how long would it take you to do mine?

steven

 

20mins or so.. How am I getting it to well lane... good question... If it has MOT Still a friend will be driving it.. if it doesnt then a Trailer.

David

 

Oh yea...advice...that's what this BBs is all about really init

Hmmm, well,
If welding ally only use pure tungsten tips as other alloys such as thorium will contaminate the aluminium.
Thorium is used in tips to make it "start" easier.(but only on steel as mentioned).
dont know how you can set up your machine but,
dc for steel
ac for ally. (high frequency) and don't play about with it on high frequency as it'll arc up on wood
Grinding tips - grind end into stubby shape for aluminium and longer like a pencil for steel.
got me book out for the rest memory is not what it used to be must be all the fumes
some gidelines for :- Aluminium
material .current.Tungsten Diam.Rod Diam. Gas flow CFH.
0.020 25 0.040 1/32 16
0.040 34 1/16 1/16 18
0.063 50 1/16 1/16 20
0.080 75 3/32 3/32 20
0.100 100 3/32 3/32 22
0.125 125 3/32 1/8 25
0.250 150 1/8 1/8 35
sodding american publications
you may well have to have a look at edit if the spaces don't stay where they are supposed to.

you know how clean things have to be to get a decent weld with MIG well for TIG you have to be able to eat your dinner off it
and lastly angle of attack is about 45 Degs (torch) if your a bit shaky after the boddingtons rest the edge of the cupof the torch on the work piece but don't let the tip touch anything and then you can drag it along dipping the rod in with the other hand.
some people grow one fingernail slightly longer to rest the filler rod in (makes a nice groove).

Zat enough for ya

Andy.

 

I've found corners to be a pain with AL due to stubby electrode. So I stuck it out further and upped the gas a tad (about 2cfm more I think).

worked for me, but I guess fuzz might say I risked life and limb for an easy life!

 

David i could always put a towbar on mine, borrow me mates car trailer and tow you there(then beat you NOT)

Could get my mate to bring wifes jeep and mates trailer if you cant find one. Let me know if desperate come the time.

steven

 

Ta... have been reading the welders handbook... but allways pissed when I try reading it

David

 

pav,
a sharper tip for finer work, sounds good to me, not so much heat spread, much more controllable.

 

ooo.. you have access to a car trailer... Does your mate want to rent it out for the day? ill let you know nearer the time if necessary..

David

 

I could get it for free, as long as they arent using it, which they dont usually on a sunday.

 

There is usually at least one car trailer on Ebay if you wanted something for a more longterm plan if it is going to be a trackday car mainly.. usually around the 1000 mark although I have seen them in freeads for a lot less, you just need to be quick.

JGM

[Edited by Jolly Green Monster 2 - 8/30/2002 10:55:13 AM]