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Old 09-27-2009, 12:14 PM   #1 (permalink)
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Will a plasma cutter cut copper?

like the title says...Will a plasma cutter cut copper? I have some 3/8" thick copper bars that I want to cut into house numbers. I have a nice plasma cutter at my work that will cut 3/8 steel with no problem and was wondering if it will cut copper. Anyone have any input on this?
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Old 09-27-2009, 12:18 PM   #2 (permalink)
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Http://www.millerwelds.com/Plasma/Resources_for_lazy_fawks.html
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Old 09-27-2009, 12:19 PM   #3 (permalink)
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Yes,I use the plasma table at the sheetmetal shop I work at to cut copper all the time.
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Old 09-27-2009, 12:19 PM   #4 (permalink)
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I should have known that was coming! thanks
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Old 09-27-2009, 02:28 PM   #5 (permalink)
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I should have known that was coming! thanks
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Old 09-27-2009, 03:04 PM   #6 (permalink)
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If your plasma is rated for 3/8 steel it might have a hard time cutting 3/8 copper because it dissipates heat quicker.
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Old 09-27-2009, 03:18 PM   #7 (permalink)
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Good one
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Old 09-27-2009, 11:51 PM   #8 (permalink)
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Sometimes I think TRH lives for stupid questions. That and clips

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Old 09-28-2009, 12:18 AM   #9 (permalink)
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Old 09-28-2009, 02:57 AM   #10 (permalink)
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I heard you can cut nearly anything with a plasma, as long a you put some metal over what you are cutting. I hear HVAC guys use them to cut fiberglass...
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Old 09-28-2009, 05:57 AM   #11 (permalink)
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I heard you can cut nearly anything with a plasma, as long a you put some metal over what you are cutting. I hear HVAC guys use them to cut fiberglass...
As long as it's conductive. I read an article where they were using a plasma to cut glass/plexiglas/fiberglas by laying a piece of foil over the material to be cut.

Don't know if it's true, but makes a lot of sense.
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