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General Mach Discussion / Re: What has gone wrong????
« on: March 08, 2014, 04:03:37 AM »
Not sure what you mean by "the terminal". I'm guessing you mean the work-clamp (what you were calling plasma ground). Is that correct? If so it should be connected to your table. Then you should have an earth strap from your table straight to a good ground - (or earth rod) but not to a ground point on your cabinet.
It's hard to tell from your pictures but they look like you don't have a good enough connection to your work with the work-clamp. If you have it connected to your table, try connecting it direct to your work. 30A should cut 1.5mm steel at around 5 to 6000mm/min no problem.
It's hard to tell from your pictures but they look like you don't have a good enough connection to your work with the work-clamp. If you have it connected to your table, try connecting it direct to your work. 30A should cut 1.5mm steel at around 5 to 6000mm/min no problem.