Welding is the process of joining metal together structurally.  For a fantastic instructable that is a very in-depth look at the theory, details and safety about MIG welding, read noahw's How to Weld - MIG Welding.  

This instructable is focused on the steps to perform regarding the equipment for welding.  It assumes that the machine has enough air, the wire is threaded and that all safety is accounted for.  It also assumes you have set up your components to weld.

I made this at TechShop Detroit (www.techshop.ws).

Step 1: Move Fume Extractor Over Welding Area

Move the fume extractor, if available, over your welding area and turn on.  It will automatically start when it detects fumes to extract.  There is also a light that can be independently used.
<p>what do you meanby cfh</p>
<p>CFH = Cubic Foot per Hour</p>
<p>Great Article, giving deep insight about MIG welding process and its equipment. I urge newbies to this article. Also grab some useful knowledge about TIG welding basics, its equipment and working techniques. </p><p><a href="http://www.weldpedia.com/2015/03/learn-to-weld-using-tig-welding-process.html" rel="nofollow">http://www.weldpedia.com/2015/03/learn-to-weld-usi...</a></p>
your moving too slow on your welds
Oh because you are such a great welder with your Justin bieber hairdo and you're probably like 12 years old so don't even try telling someone how to weld. Yeah the weld looks a little rough but the instructable is clearly about the shutdown process. Not &quot;how to make welds that impress retarded little 12 year olds that wanna talk shit&quot;. So there, stop being an idiot.
10 to 15 cfh of c25 is a bit on the low side. most welders run best around 25-35 cfh of c25. if you want sound welds you may want to turn it up

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