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Thin oxy fuel

Posted: Fri Sep 09, 2016 4:57 pm
by Farmwelding
Anyone have any tips for cutting about 11 gauge steel with oxy-fuel rig. More specifically circles.

Re: Thin oxy fuel

Posted: Fri Sep 09, 2016 7:18 pm
by Poland308
Keep your torch tip clean and move fast. What size cutting tip and what are your pressures on the gauges as the gas is flowing?

Re: Thin oxy fuel

Posted: Fri Sep 09, 2016 7:39 pm
by Farmwelding
Not sure in tip size but on first I was at 40 oxygen and 5 acetylene and then down 16 and 2.

Re: Thin oxy fuel

Posted: Fri Sep 09, 2016 9:37 pm
by Poland308
Tip size is critical on thin stuff if you want a clean cut. I don't have a copy on hand but I'll see if I can find one for proper sizing of the tips based on cutting thickness and tank size.

Re: Thin oxy fuel

Posted: Fri Sep 09, 2016 9:53 pm
by Poland308

Re: Thin oxy fuel

Posted: Sat Sep 10, 2016 3:11 am
by noddybrian
Conventionally we used sheet nozzles for this - these are rather directional though as the heating flame & cutting jet are behind each other - can cut circles with care if the diameter is not too small - they do leave a very nice cut & very small kurf.
sheet nozzle.png
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