Kronos Robotics

The air exchanger works like a charm. Just a word of caution.

Carbide. It supposedly wears tools pretty fast but I haven't done enough to notice. I don't remember the speed and feed off hand. Sub 100ipm I'd imagine. Graphite will get everywhere if you don't have a good dust collection system. I worked for a guy who just had an enclosure that had to be cleaned ...

Here's a video of a graphite mold for casting glass being milled

http://youtu.be/534ZNaK9eE8

This thread seems to have died a little. Here's a glass lithophane I made the other day. It took me four tries but I've got the general process down.

I get a sense of what to do by reading about people's projects at cnczone or other similar websites. Michael usually has the feeds and speeds posted on his projects here which is helpful. I've broken a few bits and it's always been from starting out too aggressive. I think just about everyone will t...