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« on: November 26, 2008, 10:58:49 AM »
Thanks for looking. No, I haven't seem anything similar to this. This project is right out of my head (somedays good, others not so much). Hence the copywrite and patent searches and all that stuff.
I know the grinder motor looks kind of strange, but the HP/weight is really high. It is something like 4.6hp in 5 pounds. I was going to go with an air motor, but since this was lighter, what the heck. Also, since it is only cutting 1" of wood, the rest is just pulling the foam out. That calls for a unique chain.
The friction drive (medusa as it has been named) has 8 air cylinders, each putting about 350 pounds of force on the panel, and they are all driven together through the central shaft, so I haven't seen any slip yet. I went with the 8 arms to accommodate the bar passing by. The arm which is closest releases to home so it doesn't get cut off, leaving the other 7 to continue driving the panel.
All in all I am pretty happy with it, now I just need to get the dxf into G code in a manner that works.
Roger