Thin old metal blowing through

[a111r]

Good stuff!
Did the 'sweet spot' hit between 3 and 4?

 

[jsf55]

Try using the poly discs to prep the metal it only cleans off the rust and paint, but watch any sharp edges

 

[Robert Mullins]

What is a poly disc? I used some kind of 'buffing' disc that looked a bit like a piece of green kitchen scouring clothe stuff, this we used to polish the weld, it would have eventually removed some metal, but how long?

 

[jsf55]

https://www.ebay.co.uk/itm/1-X-PAIN...475175&hash=item2aea5dacc2:g:xX0AAOSw9R1fXye6
Removes a lot less metal than a flapper disc

 

[decca]

Morning all
I'm currently in the middle of welding new repair panels into my 1965 Morris Minor.
All is going well if a bit slow as its all new to me.
I have managed to fit a rear wing flange which took ages but I know have a thin (2") strip to join the flange to the inner wing.
I cut the inner wing back to what I thought was solid metal and cleaned the edges to accept the new metal.
But the welds blew straight through, so much so that I had to cut more out and try again, still the same issue, the welds are blowing through.
I'm using a Clarke 135TE Turbo mig with 0.6 mm wire, Hobbyweld 5 gas.
The settings on the machine are rather limited but I have them set at:
Wire speed 6
First Switch set to 1
Second switch set to Max

I have not had an issue up to now with letting in new metal but this rear wing just seems thin, can anyone advise me what settings I should be using, obviously I will experiment later when I get back in the garage but I thought I would seek advice before making any further mess of my panel.

Cheers.

Are you the guy on YouTube doing up Gracie?
I’m just about to do my rear wing flange and found your video very helpful (if this is you) thanks.

 

[mxmig]

Well I played about with the settings and I honestly think I thinned the panel too much when attempting to clean it, so I had to resort to letting in a couple of patches which sorted the inner wing out.I will bear in mind the issue of thinning the metal especially using the 3M discs I have, they are way to fierce for my use.
Many thanks for taking the time to assist, much appreciated.

 

[mxmig]

Are you the guy on YouTube doing up Gracie?
I’m just about to do my rear wing flange and found your video very helpful (if this is you) thanks.

Yes that's me and "Gracie" in all our horribleness.
I'm glad you find the videos helpful, I began making them as a way to assist others in the same boat as me.

When I started I didn't even know which way the panels were supposed to fit so it was a steep learning curve.

I'm happy at least one person has found them of use.

Thanks for the comments.

Regards

Dermot.

 

[octo0072000]

i use 0.8 wire could never get on using 0.6 better at filling in gaps etc

 

[Robert Mullins]

What is a poly disc? I used some kind of 'buffing' disc that looked a bit like a piece of green kitchen scouring clothe stuff, this we used to polish the weld, it would have eventually removed some metal, but how long?

Ahh, that's them, I/we have used them in the past, but only with the light engineering stuff