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post #1 of (permalink) Old 07-26-2007, 11:46 PM Thread Starter
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Method of cutting 14 guage quickly

I have a project coming up that will require me to cut alot of aproxamately 14 guage sheet. the finish is irelivent, but speed is a necessity. I have used a cutting torch for this in the past but found it very dificult to get the sheet cut with any kind of speed. I kept loosing my puddle. I fooled with the torch and even bought A smaller tip for sheet but I ran into the same problems. I have heard that the pistol type oxy guns work very well, but I have never used them and they are pricy.

One other thing is this has to be preformed in the middle of a field with no electric and minimal air pressure.


Any sugestions ? last time I ended up using a big loader to crush everything up but that creats a height problem on the trailer.



Jeff

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post #2 of (permalink) Old 07-27-2007, 12:04 AM
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jeff,

if you're wrecking stuff.....what about one of them gas powered demolition saws?

I've seen those things chew through concrete with steel rebar.....they are pretty awesome!

not sure if thats the kinda cut you need to make though....

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post #3 of (permalink) Old 07-27-2007, 12:12 AM
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saws all? I know if will work just find with a good blade but if your going to do a ton there could be better ways.

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post #4 of (permalink) Old 07-27-2007, 01:34 AM
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Can you get your hands on a pair of "jaws of life"?

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post #5 of (permalink) Old 07-27-2007, 07:02 AM
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Use the cutting torch. The trick with sheet metal is to tilt the tip into the cut so it's pointing forward almost parallel with the sheet. Then move fast! With a little practice you can cut almost as fast as you can move your hands.

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post #6 of (permalink) Old 07-27-2007, 11:18 AM
 
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Quote:
Originally Posted by Jim_Lou View Post
Use the cutting torch. The trick with sheet metal is to tilt the tip into the cut so it's pointing forward almost parallel with the sheet. Then move fast! With a little practice you can cut almost as fast as you can move your hands.
I agree. As you tilt the torch with the oxygen lever squeezed, you will see the cut extend further ahead of the cutting tip and just watch that leading edge. There are special tips available, but I'm not sure how easy to get. Would be worth trying if you were doing this for a living.
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post #7 of (permalink) Old 07-28-2007, 02:34 PM
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A bud of mine had to cut a bunch of panels (maybe 16ga.?)... 20 years ago when plasma cutting was pretty new and 3-5x the cost it is now. He had the same the issue a lot of us face, keeping the cutting tip an equal distance off & angle to the work...

He cut a thin slice of angle (1.5"x1.5"x.125"?), bent it to angle he wanted the tip at, and used a hose clamp to secure it to the O-A cutting tip... took a few minutes to get everything adjusted (height, angle, & position of the tip in relation to the torch body), but afterwards his cuts were great (almost zero slag = little cleanup).

He used a chunk of angle clamped down as a guide and was flying! I helped him for almost an entire day... but I had trouble keeping the cut work & drop out of his way and keeping him with full sheets ready to cut...

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post #8 of (permalink) Old 07-28-2007, 06:07 PM
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Carver Dave's got it! Plasma cutter is the $h!t for sheetmetal (even thicker stuff). I like the idea of hose clamp and angleiron fixture for large quantities of cutting.

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