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Plasma Arc wont shutoff

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Stick
Posts: 8
Joined: Thu Jan 11, 2018 10:38 am

Plasma Arc wont shutoff

Postby Stick » Mon Feb 26, 2018 9:46 am

Have been searching and cannot find an answer so I will post a new topic.
I am new to cnc and have been able to get my table working pretty well and cutting art. My problem is the plasma will not turn off after cutting the piece and quickly runs across back to the start and makes a cut in the metal. It also does not shut off as it repositions on the piece. I have not been able to figure this out. If I can get that right I will be up and running.
At help would be appreciated.

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Francisco
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Joined: Tue Feb 23, 2010 4:17 pm

Re: Plasma Arc wont shutoff

Postby Francisco » Mon Feb 26, 2018 2:25 pm

Is you plasma source a Hypertherm Powermax? On some current models you can set the operating mode switch to an arc lock function (marked by the red circle on the picture). You should have it set to normal cutting (green circle):

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Stick
Posts: 8
Joined: Thu Jan 11, 2018 10:38 am

Re: Plasma Arc wont shutoff

Postby Stick » Tue Feb 27, 2018 7:33 pm

Well Francisco you solved my problem! A very big THANK YOU!! I have a Lincoln Tomahawk 1000. The middle setting on the selector is called (Grid )setting. I switched to that and it starts and stops perfectly. Thanks Again.


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