Techniques for cutting large gauge steel for a category of jobs.
Aside from cut-off wheels and cut-off saws, the predominant cutting method is Oxy-fuel cutting. Oxy-fuel cutting has become the principal practice for cutting heavy gauge steel. Let’s look at several of the benefits and weaknesses of this particular cutting routine. Lastly, I will demonstrate some of the pros and weaknesses of Plasma Torch Cutting.
Oxy-fuel and are used quite abundantly during oxy-fuel cutting. Using oxy-fuel cutting to cut metal means that you will have to regularly change bottles as you are repeatedly using up and replenishing your bottle supplies. The expense of oxy-fuel is always fluctuating and you are always subject to these changes when you use oxy-fuel. In addition, when you use oxy fuel you regularly need to pre-heat the piece to be cut further using up fuel and taking additional time. Once you get into the cut with oxy-fuel the cut is very messy and is challenging to make a very clean cut with. If you want to cut an old bolt or an insignificant piece then this strategy is ok. If you want to cut metal art, maybe cut out signs, or cut out a section you’re fabing then oxy-fuel really falls short of the mark. In my direct opinion the large bottles are better left for ARC Welding and the cutting should be left in most scenarios to Plasma torch Cutting techniques.
The initial price of a plasma cutting torch is comparably high but in the long run it cuts for pennies. When you fab with a plasma torch you don’t need to buy any bottles. It’s extremely liberating to not have to pick up bottles or unload heavy bottles off a truck over and over again. Further,, when you cut with plasma you never require to pre-heat the pieces. The plasma torch heats the affected area speedily making the cut more effective and way faster. Another formidable grade of the plasma torch is just how clean the cuts are with this torch. The cuts almost look like a finish grade when compared with oxy-fuel. You can cut work pieces and stencils with little effort. The main expense are the tips which wear out and the electricity needed to run them at their Amperage amounts. If you are expecting to cut a lot of metal, a heavier gauge steel, or just need really clean cuts the Plasma torch is the torch for you, hands down.
I have worked with a Hobart Plasma cutting torch for some time now. I only use my torch to cut out metal patterns. It cuts so speedily, on occasion it forget that its heavy gauge steel that I’m using. The better of the Hobart cutters can actually cut 7/8 inch thick steel with speed and ease. I use this cutter off my welding generator straight off of my truck. Because of this added mobility I can literally cut heavy guage steel in the field with amazing accuracy. I can’t even begin to tell you how numerous times this has saved me on a challenging job. If you have need of an efficient cutter that is powerful while providing remarkably clean cuts, then Plasma Torch Cutting is the way to go.
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