Recent content by Plasmaman

These days, most shops with steel shape cutting needs either farm the work out to a laser cutting service, or do it in-house on a CNC plasma table. However, it hasn't always been that way. Pantograph shape cutting machines, first patented in 1917, used oxygen-fuel cutting torches for such work...

I mounted a used Tweco torch holder I managed to pick up. Also switched to a 13 amp 12 volt dc planetary gear motor with a switching 30 amp power supply. Waiting for some steel to arrive to try out the latest setup.

i ended up with a totally different arrangement using parts of a dill press as the basis of the machine. It can be tilted up to 90 degrees, and swiveled side to side for weight distribution as needed. The ground is a spring loaded brass rod riding against the edge of the table. The ground...

I'm working on that one. I don't want to do it through the rotary table. Any ideas?

Since I purchased a slightly larger Yuasa rotary table, i have no need for my old 9" Troyke BH-9. Since they are not worth a great deal on the used market, I thought I might try my hand at using it as a welding positioner. Using it solely as a flat, horizontal positioner requires virtually no...

Thanks! I'm in the U.S., but a big fan of British motorcycles. I've done a few 19" long cutouts of them:

Needed something to go on our mantle for Christmas, and cut these out on my home made CNC plasma set-up.