I will echo what FUSIONKING has said.
Those look like some of my 'cuts' at times.
Try using a straight edge and running a cut along it. Also keep travel speed constant. Don't start the cut too fast. My best cuts come when I am using the stand-oo roller, a straight edge ... I have the wheels of the roller just off the edge of the piece being cut, fire up the arc and slowly bring it back over the workpiece to begin cutting.
It's funny sometimes I get perfect cuts when I am just fooling around, and not so good cuts when I try real hard.
Torch angle is important - should be " straight down " through the workpiece.
It looks like the 375 you have is making the cut - you just need to try a little more practice.
Sort of off topic - are you doing anything to DRY the air before it enters the 375? You never did say what you are doing in those regards.
Those look like some of my 'cuts' at times.
Try using a straight edge and running a cut along it. Also keep travel speed constant. Don't start the cut too fast. My best cuts come when I am using the stand-oo roller, a straight edge ... I have the wheels of the roller just off the edge of the piece being cut, fire up the arc and slowly bring it back over the workpiece to begin cutting.
It's funny sometimes I get perfect cuts when I am just fooling around, and not so good cuts when I try real hard.
Torch angle is important - should be " straight down " through the workpiece.
It looks like the 375 you have is making the cut - you just need to try a little more practice.
Sort of off topic - are you doing anything to DRY the air before it enters the 375? You never did say what you are doing in those regards.
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