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Welding
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You are currently reading a thread in /diy/ - Do It yourself

Thread replies: 7
Thread images: 2
File: IMAG0011.jpg (2 MB, 1836x3264) Image search: [iqdb] [SauceNao] [Google]
IMAG0011.jpg
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Hey guys so I need some help with my mig welding I just started yesterday and while my welds hold well enough they look like absolute garbage. Can anyone tell me what I'm doing wrong?
>pic related my weld
>>
>>937494
Start with butt welding. Work on having a consistent rate of pull. Google up the materials you're working with to find out the correct settings.

Then practice a lot.

Once you can consistently weld in a straight, flat line, start welding pieces of square iron or angle iron together. Once you get that down, try your hand at some wide radius curves, but the biggest key to welding is consistency.
>>
>>937494
From the looks of the pic, no surface prep, not enough amperage/feed rate too high. You're just building up metal over the weld instead of making a molten pool and bonding the two sides together.

Start on smaller plate stock, don't go for thick heavy things until later. it takes a lot of experience to be able to set your machine up correctly for heavy duty welds. I strongly suggest getting a amperage chart.
>>
>>937494
>you didn't clean the metal
>no gas shielding or Flux core was wrong type
>feed rate too high and maybe running hot on the amps

Your welds likely don't "hold well enough" because those look like they have SpongeBob square pantsb levels of porosity.
>>
You need to listen as well as watch,you want to hear a good sizzle when you weld. No pops or cracks.
>>
File: 1429654589818.jpg (52 KB, 596x600) Image search: [iqdb] [SauceNao] [Google]
1429654589818.jpg
52 KB, 596x600
>>937544
all of this
>>
Thanks guys
Thread replies: 7
Thread images: 2
Thread DB ID: 480763



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