Chris Radek wrote:
> Hi all,
> 
> I thought I should mention that I merged my nine-axis changes into
> the cvs trunk.  We now have fully coordinated motion in six linear
> axes (UVWXYZ) and three rotary (ABC).
> 
Cool!  DAMN cool!

One of the quirks in the old days was how to program the rate of 
these mixed-axes moves.  For instance, in an XYA move, it is 
easy to compute the feedrate of the XY part, but without knowing 
the radius the cutter is at from the center of the A axis, you 
can't add that component to the total velocity.  How is this 
handled now?
> Also, thanks to some work Jeff did, you can have any set of these
> defined - whatever is appropriate for your machine.
Again, definitely cool!
> This ought to help with some simple things like knee vs quill on
> mills (XYZW or XYZAW), as well as maybe being useful for some more
> specialized setups like foam cutters (XYUV).
> 
Yes, we definitely had a restriction for foam cutters and wire 
EDM, both of which use a pair of parallel X-Y axes.

Jon

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