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  1. #1
    Join Date
    Aug 2008
    Location
    saskatchewan
    Posts
    32

    Default plasma torch field use

    How does a plasma torch behave with a compressed bottle of oxygen for supplied air?

  2. #2
    Join Date
    Apr 2012
    Location
    Queen Creek AZ
    Posts
    38

    Default plasma torch field use

    Not to sure on O2 for field plasma might not be the best idea.

    But i can speak on nitrogen use and compressed air from a portable gas air compressor on my trailer. Both work great i use nitrogen every once in a while when i need it away from my trailers 100' reach of air hose.

    Hope this helps

    Take care

  3. #3
    Join Date
    Feb 2010
    Location
    YOUNGSTOWN, OHIO
    Posts
    172

    Default

    Compressed Air is the most commonly used gas for lower current plasma cutting and works well for most metals from gauge thickness to 1 inch. It leaves an oxidized cut surface. Compressed air can also be used for plasma gouging on carbon steel.

    Nitrogen is often used for higher current plasma systems and for cutting materials up to 3 inches thick. It produces excellent quality cuts on most materials.

    Oxygen is used when the highest quality mechanized cuts are desired on carbon steel up to 1 -1/4 inch thick. The cut face is smooth, and dross is easy to remove. Oxygen can also be used on stainless steel and aluminum, but it produces a rougher cut face.

    Argon-Hydrogen Mixtures are generally used for cutting stainless steel and aluminum. They produce a clean, high quality cut face. Argon-Hydrogen is required for mechanized cutting of any material more than 3 inches thick. This mixture also provides an excellent gas for plasma gouging on all materials
    JIM

    Owner Operator of JNT Mobile Welding & Repair LLC
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  4. #4
    Join Date
    Apr 2012
    Location
    Queen Creek AZ
    Posts
    38

    Default plasma torch field use

    Jpence- awesome right up , i did not know that i was thinking O2 would be bad for the plasma cutter being a flammable gas. Possibly damage torch and not cool it properly.

    I have used nitrogen on thin guage up to 1/2" it works great no issues i was using a nitro tank before i had my compressor.

    Im using a powermax 45 hypertherm

    Learn something new everyday.

    Take care

  5. #5
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,831

    Default

    Nitrogen would be my choice, way cheaper, Higher pressure so it lasts the longest.

  6. #6
    Join Date
    Aug 2004
    Location
    Milan Michigan
    Posts
    1,721

    Default

    Jspense, I also have to say thanks for that info.

  7. #7
    Join Date
    Feb 2010
    Location
    YOUNGSTOWN, OHIO
    Posts
    172

    Default

    Glad to be able to help.
    I know for me it made a big difference when using the right gas for the right application. I am also going to have to agree with cruizer about the nitrogen. Usually the best all around way to go.
    JIM

    Owner Operator of JNT Mobile Welding & Repair LLC
    Millermatic 350P Aluma Pro
    Dynasty 200DX
    Maxstar 150 STL
    Trailblazer 302
    Suitecase 12RC
    Extreme 12VS
    Extreme 8VS
    Spoolmatic 30A
    Miller HF251D-1
    Passport Plus
    Spoolmate 100
    Hypertherm Powermax 45 and 85
    Ingersoll Rand Engine Driven Compressor
    Dake 75 ton H-Frame Press
    JD Squared Model 32 Bender
    Miller Digital Elite

  8. #8
    Join Date
    Jun 2012
    Posts
    22

    Default

    Only use oxygen in plasma systems that are designed for oxygen. Most small portable plasma systems are designed to use compressed air...the use of pure oxygen in these systems can cause internal combustion that can damage or destroy your plasma torch, leads and power supply Oxygen is not flammable, but certainly supports combustion.

    You can get high pressure cylinders of compressed air, regulate the output to about 90 to 120 psi and use it with an air plasma system. Compressed nitrogen will also work in most air plasmas, but will not cut as well as air.

    Jim Colt Hypertherm




    Quote Originally Posted by Azphiks View Post
    How does a plasma torch behave with a compressed bottle of oxygen for supplied air?
    Last edited by jimcolt; 07-09-2013 at 11:14 AM.

  9. #9
    Join Date
    Dec 2011
    Posts
    399

    Default

    Some dive shops will fill air bottles if the hydrostatic and visual tests are up to date.---Meltedmetal

  10. #10
    Join Date
    Nov 2009
    Location
    western mass
    Posts
    205

    Default

    hey jim colt. good to see you here. I read all your stuff on plasmaspider.

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