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 Metal work

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Cam
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PostSubject: Re: Metal work   Mon Oct 01, 2012 10:30 pm

Gona straight cut and butt weld.
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imperial00
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PostSubject: Re: Metal work   Tue Oct 02, 2012 7:05 am

Cam wrote:
Gona straight cut and butt weld.

sorry last question- will you purge weld it doing it this way?

something i have found-if you are going to polish it don't use filler rod,cut some strips of the same material you made it from as once its dressed and polished it blends in a whole heap better than filler rod.
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Cam
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PostSubject: Re: Metal work   Tue Oct 02, 2012 5:15 pm

Hadnt thought about purging it.Was just gona weld front and back.

Have heard different things about using base metal as rod.Have you had much sucess doing it that way?

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PostSubject: Re: Metal work   Tue Oct 02, 2012 6:17 pm

Cam wrote:
Hadnt thought about purging it.Was just gona weld front and back.

Have heard different things about using base metal as rod.Have you had much sucess doing it that way?


i'm still a bit new to welding aluminium body work.i have done a fair amount of aluminium welding of panels at 90 degree to each other(ie tanks) but not flat joins .
but with flat type joins i have found to stop burn back just over lapping and welding both sides works,but you end up with a "dry unwelded" section in the middle.and it can be a pain when you dress it as a crack can start on the edge of the weld.
with flat butted joins the weld gets that scar type look to it with not real good flow on the inside-hence the purge?.purging comes up nice but the gas usage can be costly....
i have only done a trial section with the base metal filler-i did it after polishing a part welded with filler and seeing that the filler is visable.the base metal-i cut some 1-1.5 mm wide strips welded nice.it flowed every bit as well as the filler rod and when polished was invisible.
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Cam
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PostSubject: Re: Metal work   Thu Oct 04, 2012 6:06 am

Will have to have a go using base metal.
Might use purging when bottom is welded on as I wont be able to get to back of weld.
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PostSubject: Omg   Fri Oct 05, 2012 8:53 am

You are seriously talented mate ! Jaw dropped on the last photo, what thickness is the steel sheet? You tig that together?
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Cam
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PostSubject: Re: Metal work   Mon Oct 08, 2012 7:19 pm

Thanks.Im using 3mm 5005 aluminum and will be using tig.
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Cam
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PostSubject: Re: Metal work   Tue Oct 09, 2012 11:06 pm

Decided to give leather work a miss on Mondays and started doing abit of metalshaping.
[img][/img]
[img][/img]
Gaurd on left is Mike first attempt ever.
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imperial00
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PostSubject: Re: Metal work   Wed Oct 10, 2012 7:07 am

nice work!
any more detail on how you did them?
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Irishjon
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PostSubject: Re: Metal work   Wed Oct 10, 2012 1:11 pm

Hey Cam. Where did you get the leather bags from?

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EEL
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PostSubject: Re: Metal work   Wed Oct 10, 2012 5:08 pm

Nice work fellas.
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Cam
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PostSubject: Re: Metal work   Wed Oct 10, 2012 9:54 pm

One on left was done using hand shrink and sand bag.Then plainshing hammer to tidy up.
Righthand was done the same but used tucking fork at begining.
We want to see which one is easier and faster.
Tucking fork method gets shape in fast.Might take longer to get good finish.

Maded the sand bag.
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PostSubject: Re: Metal work   Thu Oct 11, 2012 8:49 am

Good plan. I'll have a go at makinging one.

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selectedgrub
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PostSubject: Re: Metal work   Fri Oct 12, 2012 8:53 pm

Sweet work.
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imperial00
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PostSubject: Re: Metal work   Sat Oct 20, 2012 9:09 pm

welded up a seat unit today- butt welded(cheers for that sugestion!) it,last one i over lapped-when i dressed the welds on the over lapped one i had issues with cracks,this one looks mint so far.haven't ground the welds yet.used base metal filler on the outside seen side and fusion welded the inside.its all a learning process eh? nothing to loose- a $20-$30 piece of aluminium and some argon gas!cheers.
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inxs



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PostSubject: newbee   Mon Jul 20, 2015 7:36 pm

nice work Cam, thinking of building a tank for my project as carn't find one the shape I 'm looking for. I've made a wooden buck but can you tell me what gear you used to make the tanks your've done. Was it only the sand bag / mallet and the plenishing hammer or did you use other gear.
Is alloy the best material or is cold rolled mild sheet?
Cheers
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Cam
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PostSubject: Re: Metal work   Wed Jul 22, 2015 8:24 pm

I used a cheap hammer and dollie set,a sandbag and mallet(you could use a hollowed out tree stump)and a basic englishwheel I made using this article.http://roddingroundtable.com/tech/articles/12ewheel.html
You don't need a wheel but it speeds things up.

Steel is cheap and easier to weld but harder to shape.
Aluminum requires you to have gas set to anneal and finished work is best to be rubber mounted(especially on a twin)to stop cracking.
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PostSubject: Re: Metal work   Today at 9:40 am

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