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  1. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    Yes, I checked, and the instructions for my plasma cutter say to set its built-in regulator for no more than 75 psi. The instructions are unclear as to whether that means I should ALSO not let more than 75 psi come to the machine, or whether it is ok to feed a higher psi to the machine, but keep...
  2. J

    Can I install a smaller nozzle and electrode in an AG60P plasma cutting torch?

    As I have mentioned elsewhere on the forum, i have a tiny lunchbox size plasma cutter, the Bestarc BTC500DP, which uses an AG60P pilot arc torch. Looking as best I can online, it appears this torch is rated for use in the 40 to 60 amp range. I assume the consumables are sized for that range...
  3. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    Deep within it (page 19 ! ) the Everlast user manual contains this scary warning: " Regulator/Filter/Water Trap. This regulates the cutting pressure of the unit. To adjust: Pull up firmly but gently on the regulator knob until the detent clicks (about 1/8” or 3mm). Rotate clockwise to increase...
  4. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    That Everlast manual also says about postflow: " As a rule of thumb, use 1 to 2 seconds of post flow for every 10 amps. Longer post flow times may be used in cases where long, uninterrupted cuts are being performed. " So, postflow duration versus amps might look like this: AMPS / Postlow...
  5. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    In examining an online pdf of an Everlast plasma cutter user manual, I found this interesting statement that applies to their 60 to 80 amp units: " Use this as a general rule of thumb for good hand cutting speed and quality: For the first 1/8” of thickness, use 20 amps. After the first 1/8” add...
  6. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    In my research on psot-flow duration, I found a very interesting commentary at a Canadian manufacturer of welding and plasma cutting systems: https://www.rjrequipmentinnovations.com/how-to/ about the psi and the hose ID for the air supply: " Some of the biggest problems relate to air pressure...
  7. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    I had a chance to at least START the experimentation. I found that both steel and aluminum in the 1/16" thick range cuts very easily and pretty cleanly. The 3/16" aluminum flat bar though, while cutting through easily enough, has a LOT of slag. I will get some suitable small pieces of steel...
  8. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    Loctite publishes instrucitons on how to proeprly use and apply its products. Here is the how-to page for Loctite 565 (attached photo). Note: - leave the first couple of threads clean (not 565) - The ability to handle pressure increases with time. If the working pressure is over 1000psi, wait...
  9. J

    What air compressor CFM and reservoir size needed to run a 50 amp plasma cutter

    Yes, you are right about that! HUGE variety shown on their website. Mostly heavy equipment oriented stuff, versus small home metalworking or weld shop stuff, but if I had not already found the Loctite 565 on Amazon.ca, I'd had given them a call! Jim G
  10. J

    Why a plastic coating on a weld fixture??

    Thanks for educating me a bit about this. I had no idea, and really appreciate your taking the time to cover as much as you have! I had already been advised to get some welding magnets, and did so at Princess Auto! And I feel a lot better now about using that coated fixture. :) Jim G
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