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Coolspring Pennsylvania

New CPM sign just cut!


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Old 10-07-2018, 06:10:06 AM
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Contaucreek Contaucreek is offline
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Default Re: New CPM sign just cut!

That piece was 53"dia. We cut up to 8" thick in our shop.
To blow a hole you just use preheat/ high preheat for a few minutes until you get a small molten puddle then hit the cutting oxygen and raise the torch. The slag will flow up like volcano lava and you carefully push it away until it fully pierces. You have to blow all your holes in an item first then jog off and chip the slag off of them and sweep the plate off then go back and use those pilot holes to easily start your cut. Up to about 2" you can just blow and go.
Remember, oxy fuel is a chemical process not a mechanical one like water jet.
At my brother's place of work they do laser cutting. He brought home a thin metal sprocket hand size with a hole in it and a bunch of ridges around the outside and it took 11 seconds to cut LOL.
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