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Plasma cutting guide?

 
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Alphonse



Joined: 13 Jun 2016
Posts: 18
Location: L.A. (Lower Alabama)

PostPosted: Thu Jul 14 16 10:51 pm    Post subject: Plasma cutting guide? Reply with quote

Going to trim a 2 foot diameter 3/16" shell. Need to trim a foot off the length and will use the plasma cutter for that.

I have had great success with my plasma cutter using a straightedge for a guide. So I am needing something flexible enough to conform to a 2' diameter surface.

Could bend some flat bar and tack it on there and then cut.

Looking for ideas.
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k.a.m.
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Joined: 12 Dec 2007
Posts: 25981
Location: Southeast Texas.

PostPosted: Thu Jul 14 16 11:58 pm    Post subject: Reply with quote

Personally I would free hand the cut but you can get a wrap around and use it as a guide.
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gandrfab
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Joined: 08 Feb 2012
Posts: 190
Location: Edgewater fl

PostPosted: Fri Jul 15 16 12:42 am    Post subject: Reply with quote

I bent some flat bar that kind of snaps into place to use as a guide.
No tacking or grinding required.
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Smokin Mike
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Joined: 02 Dec 2008
Posts: 3144
Location: Winston-Salem, NC

PostPosted: Fri Jul 15 16 1:33 am    Post subject: Reply with quote

I didn't have a plasma cutter but did exactly what you're talking about with some 1/8" strapping.




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Maniac
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Joined: 02 Oct 2010
Posts: 2434
Location: Pa

PostPosted: Fri Jul 15 16 10:00 am    Post subject: Reply with quote

I wish I had a steady hand that I could do it free hand but I don't Embarassed
I have used wrap a rounds , Steel banding that we get on our boxes strapped to pallets and I have a junk come along I use just for cutting... tighten 1/2" from cut and go. good luck.
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gandrfab
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Joined: 08 Feb 2012
Posts: 190
Location: Edgewater fl

PostPosted: Fri Jul 15 16 10:55 pm    Post subject: Reply with quote

It is odd I tig and mig weld with the best,but give me a torch or a plasma and I'm retarded and need a guide. :banghead
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Flyingj
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Joined: 20 Jun 2014
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Location: North Texas

PostPosted: Sat Jul 16 16 4:32 am    Post subject: Reply with quote

I second k.a.m.'s "alternative" advice of using a wrap around. With your Hypertherm's drag tip feature, the wrap around's edge provides a perfect lip for tip guidance.
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