Chris,
Wow. Reading your message gives me a sense of how little I know about
foam cutting.
On Wed, Oct 22, 2008 at 03:03:41PM +0000, Chris Epicier wrote:
> Q3: I have only 800x600 resolution selectable. Is this due to
> rt-kernel requirements or should I use another graphics driver or
> card?
You can find some information on fixing video resolution here:
https://help.ubuntu.com/community/FixVideoResolutionHowto
almost any advice for ubuntu will apply here, with the caveat that
accelerated graphics drivers (particularly the proprietary ones) often
kill real-time performance. Be sure to re-run the latency test after
any change in your video configuration.
(Personally, I have a geforce2 (very old card) in my emc pc, using the
open source "nv" driver; this combination gives good realtime
performance for me)
> * fcut.sf.net handy piece of soft, source available, C# windows only but may
> be transferrable
their main page was down when I tried, but I did find this screenshot on
the sourceforge website:
http://sourceforge.net/dbimage.php?id=88247
> If I may set up a wish list, altough I am not sure if I really talk
> about a preprocessor to emc or an extension of the features of axis
> here:
...
> - although a true 3D model is nice, it is not really required, provided:
> - foam use can be checked on beforehand visually, I can do that using my CAD
> though
It would be a substantial amount of work to make axis have a dual or
triple display like these other programs, so I think that'll have to
remain in the cad/cam step for the time being
> - to cut sharp edges, e reduction of heat and speed should be selectable
Several ways of doing this come to mind:
* Use the spindle value for heat setting
* Use the velocity value for the heat setting
> - any arbitrary shape should be possible, ie I should be able to have
> root and tip section rotated at any desired and reasonable angle
in emc you'll have to program all 4 axis positions -- this means that
you can do anything that makes sense, plus a lot of other things that
don't make sense.
> - If I think about it, then it would be required to define the foam
> block plus the tip and root surface. It would be great to see where
> the wire penetrates the foam bloch and the root and tip planes.
> - like fcut, there shouold be some parameters definable for the foam
> type to be used
These things are more for the cam step (before emc gets the gcode) than
for emc to take care of.
Jeff
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