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Making Welds Look Nice !


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#1 leepol83

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Posted 10 February 2019 - 08:20 PM

Hi all I’ve finally got my first panel all welded in today, it was the inner flitch panel the one with the vent hole in, I’ve seam welded and plug welded it on, it fits lovely and is solid however I’ve dressed it up abit not wanting to remove too much of the welds but it looks terrible!!!! I know it’s underneath but I want it to look nice, what can I do, shall I grind them back more, my thoughts where to grind them back and add a light scum of filler just to tart it up but it just seems wrong, could I put a thin film of seam sealer over the whole area maybe? Any advice welcome 🙏

#2 Icey

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Posted 10 February 2019 - 08:25 PM

If they look that bad then it suggests something is wrong with the weld. Can you post a picture?

#3 leepol83

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Posted 10 February 2019 - 08:30 PM

Unfortunately I can’t post pictures no for some reason ive lookedvat orher welding and it looks the same I just want it to look abit better that’s all maybe I do just need to grind them back more

#4 sonikk4

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Posted 10 February 2019 - 08:36 PM

Use Imgur to post pictures on here. The welds if they have fully penetrated can be knocked back flush but be careful not to go too far.



#5 leepol83

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Posted 10 February 2019 - 08:38 PM

That was my worry going too far, I’ve tried everything to post on the forum but I can’t get anything to work even imgur it’s a nightmare!!!!!

#6 nicklouse

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Posted 10 February 2019 - 08:43 PM

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#7 leepol83

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Posted 10 February 2019 - 08:49 PM

Tried that it says the file is to big how do I use imgur

#8 leepol83

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Posted 10 February 2019 - 09:21 PM

Just sussed it im on my computer now 

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#9 sonikk4

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Posted 10 February 2019 - 09:44 PM

Now when i knock back welds i use a flapper disc or grinder followed by coarse and fine roloc discs. Those i use in my high speed pneumatic die grinder.

 

Most of those welds i see there can be carefully knocked back a lot more but you need to target the raised welds only. Be patient its doable.



#10 leepol83

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Posted 10 February 2019 - 09:48 PM

Thanks sonikk4 appreciate that and thanks for not just saying it’s crap ha ha!!!! I’m hopefully getting better that’s my first ever attemp at mig welding with gas 🙏

#11 sonikk4

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Posted 10 February 2019 - 09:52 PM

We all have to start somewhere. The biggest thing with any weld is its penetration. If you full penetration then knocking back flat on the side you can see will be fine, just be careful like i said to target the weld only. If the metal burns ie darkens then its thin.



#12 leepol83

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Posted 10 February 2019 - 09:59 PM

Ok thanks mate, I did seem to get good penitration on the seam welds, on the plug welds on the stiffener bit I did up the power and wire speed, the back defiantly had penitration as i could see it glowing through so hopefully its enough

#13 leepol83

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Posted 10 February 2019 - 10:18 PM

Once I’ve knocked them back more would you suggest a thin layer of body filler just to smooth it out a little I will obviously seam seal the welds and Gravitex the lot once finished

#14 stumpy75

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Posted 10 February 2019 - 10:22 PM

Try a grinding disc end on to the weld to take the weld down without taking away any meat of the metal either side of the weld then a flap disc to smooth it out slow and steady with it

#15 sonikk4

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Posted 10 February 2019 - 10:29 PM

Once I’ve knocked them back more would you suggest a thin layer of body filler just to smooth it out a little I will obviously seam seal the welds and Gravitex the lot once finished

 

Depending on what sort of finish you are looking for a very light skim of filler would not hurt and then seam seal and Gravitex or Raptor.

 

If you want a show finish then the more work you do with the welds the better, meaning less filler work if any.






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