social media icons

Plasma Cutter

Plasma Cutter
The Plasmaman on
Homemade plasma cutter constructed from surplus automotive and appliance components. Capable of cutting 1/4" steel at 13 amps.
Cutting Torches
plasma, electronics

add comment
1-4 of 4 comments
jwms says:
Sep 04, 2013 10:18 PM
Just found this site and it looks pretty good. I am starting to build this project. I have a good grasp of electronics and have been around it for some 50 years. I do not understand the connection to the ac side of the bridge; never seen a connection like it in 40 years I have understood schematics. Will try working it out and will post any tweaks here.
daveward says:
Aug 23, 2013 11:39 AM
ultrchoplight:  your willingness to share your experience is VERY helpful.  Thank you!
ultrachoplight says:
Aug 23, 2013 10:27 AM
Some time ago he had plans to sell on ebay and I bought it..I have spend a lot of money to build it and to this day I still can not get to run..I have tried to build it every way to build with no luck..I also have tried to contact him and all I ever got was the run around..He says that it does work well I have a pile of junk
v31joepalooka says:
Aug 22, 2013 10:44 PM
I am curious about two things, at least. I understand the isolation transformer, but why step up or down?  Could it not just be a 120 to 120 VAC? or 240 to 240 VAC?  Also, why tie the AC around the bridge rectifier to the capacitors? V31joepalooka
  • Signup for our newsletter and get the
  • 50 Best Homemade Tools
  • eBook free!
Related tools: