On 8/20/2010 5:02 PM, Ecnerwal wrote:

This is one area where having super-fast, super-powerful axis drives can
become super-expensive when they crash

I saw a very high speed machining center at a trade show. Forget the
name, but it used a carousel sorta like a Brother or Fanuc RoboDrill.
When the tool came out from under the chip shield, it was suddenly just
THERE, 50 thou or so above the part. If there was a screwup in offsets
or something of that nature, the crash would be over and done with
before the brain could fully register what had just happened.

Here's one stellar example...
http://www.youtube.com/watch?v=tb1kU...eature=related
(fast forward to about 2:00)


Jon