Is it possible to mill wood on a HS Machine? There are some guys in our class at the local college who are using a CNC'd Bridgeport to make designs for wood, seems to be working fine for them. I don't think the Bridgeports go over 3000 RPM.
A Sieg X3 tops out at 2000 but you can buy different gears for it and get it running at 4000 RPM. I'm wondering if I could do a bit of casual woodwork on it, or at least use it for drilling holes in wood, if I get the inclination to do so.
I know that most people will respond, "That's insane, don't you know a wood router runs at 20,000 RPM?" But when you look at speeds recommended for drill bits, the speeds are much, much slower. In fact I back-calculated CS from a number of wood drill bit sheets, and found the CS of hardwoods (for drill bits mind you, not router bits) is around 100 and for softwoods it's around 175. That was surprising because it put hardwood CS in the same range as low carbon steel!
So maybe 4000 would be enough RPM to get some work done in hardwoods? I don't know, school me on this one.
EDIT: What about taking the head of the X3 off, and finding a way to attach a router base (and thus router) to the plate that normally holds the head? That would give you precise 3 axis movement with a wood router. I've always wanted an overhead/ pin router, might this be a way to achieve that?