On Sun, 2008-08-17 at 22:37 -0500, Chris Radek wrote:
... snip
> I have heard that a lot of cam-generated code doesn't work with emc's
> cutter compensation because it depends on certain behavior in concave
> corners.  Some will argue (just wait!) that the cam should give a path
> that can be cut with the given tool.  That means there cannot be sharp
> inside corners.  They are right.
> 
> Others will say lots of other controls will leave the round inside
> corner automatically and not error.  They are also right.  I would
> personally also like this behavior.
... snip

Sorry for being blunt.

I am submitting an energetic vote against this. I think it is up to the
humans to do a little thinking and understand how machining works. It's
up to us to accurately instruct the machine with an understanding of the
limitations of the process. If we tell a mill to cut a sharp inside
corner, then shame on us. I do it all the time, but I want the task of
fixing it. Having EMC2 try to find and fix our mistakes for us is
like ... well, like using Windows. (Don't drink the Cool-aid)

Otherwise, I don't really care.
-- 
Kirk Wallace (California, USA
http://www.wallacecompany.com/machine_shop/ 
Hardinge HNC/EMC CNC lathe,
Bridgeport mill conversion, doing XY now,
Zubal lathe conversion pending
Craftsman AA 109 restoration
Shizuoka ST-N/EMC CNC)


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