Jon, that is overkill for PCB routing. I have a pcb routing spindle motor right here in front of me and it is not much more than a hobby dc motor.
----- Original Message ----- From: "Jon Elson" <el...@pico-systems.com> > Well, the ultimate motors for this are Westwind air bearing spindles or > Rockwell/Precise high speed spindles. > The Westwinds are really designed for drilling, but can be used for > light routing, too. You have to be real careful to keep the radial > loads down to avoid crashing the air film in the bearing. These are > about 2" diameter and 6" long. The motor rotor is about .7" diameter > all the way, just a plain cylinder with a "hat" on the end for a thrust > bearing. It will produce at least half a HP, and can go up to 80,000 > RPM. It runs great on a VFD, although my VFD only goes to 400 Hz, so > you get 24,000 RPM max. > > I also have a Rockwell/Precise spindle that will go to 45,000 RPM, and > is rated at 3/4 Hp. It uses a 2-phase motor, so i don't have a proper > system to run it yet. I did fire it up on a Gecko stepper drive, > however, and it did run. I'm not sure it would develop rated power on that. > The oldest Precise spindles have universal motors, and can be run on a > Variac. > > Jon > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
