22 Gauge sheet metal

[TinWhisperer]

I would try book settings with finecut at 25 or 30 amps .

I have cut some 26 gauge galvanized and I use the book settings at 25 amps .

HVAC parts Square to Rounds 26 GA galvanized

I have made quite a few square to rounds over the years but this is the first using a CNC. Over the years I became very familiar with laying out and fabricating square to rounds by hand. When SketchUp came came out I started laying out fittings in that CAD environment , Acquiring all the true lengths, then stepping out the points with a compass on my sheet metal. Then I bought a bigger printer and could print out sometime 20 pieces of paper glue them down to the sheet metal, then cut out of t…