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Tool Talk Discussion Forum

Tapered Cut w/ Plasma Cutters

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Author 
e

03-24-2007 19:57:38




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I have a few friends that have plasma cutters with 3/8" geninue cut capacity. Even with 1/4" steel, the taper is fairly substantial. What I'm wondering is if a person were to buy a plasma cutter with say 1" of genuine cut capacity, would the taper seen on 1/4" stock be much less than with a cutter rated at 3/8"? What would be the expected taper with 1" steel?

Thanks!




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Chuck UR

03-27-2007 05:32:38




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
I have a TD Cutmaster 51.
The way the tip induces swirl it cuts at a slight angle on one side.
I have one standoff that I ground one leg a little shorter to compensate for 'precision' work.
Mostly I just let 'er rip and finish off with the grinder or flap disc.



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Rob Hartman

03-25-2007 07:34:19




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
It could be a number of things. Bad nozzle, they do get oblonged and burned, not enough air pressure, not holding the gun straight. Just a few things to look at.



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RickL

03-25-2007 06:43:53




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
I had a thermal Dynamics pak 50 plasma cutter that I used and it would cut straight with ni trouble. When i fuirst git it it would do what you saying taper the cuts. It was operator error not the machine. I just didin't have ste correctly. Since sold unit as ornamental fad has died out



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sammyd

03-25-2007 00:18:23




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
With a proper set up and a little knowledge taper shouldn't be a problem.
Have used several types and haven't had problems with taper.



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jmixigo

03-24-2007 20:38:53




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
At work we have a Miller plasma cutter mounted on a programable robotic arm. Cuts one inch stock near perfectly. Does wonderous things quickly. $942,000.00 plus shipping but setup was free. Tapered plasma cuts are usually due to not enough air or operator error.



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Don LC

03-24-2007 20:25:34




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 Re: Tapered Cut w/ Plasma Cutters in reply to e, 03-24-2007 19:57:38  
A plasma cutter to cut 1" would cost a bunch..... I got a new Hobart, for 1/2" steel,but cuts 3/8" a lot better..... I wanted it for thinner material.....1/8" and around there.....1/2" ill use the torch..... Back to your question, I have found that if you turn it up it will cut strater..... .thats my 2 cents.....good luck.....Don



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