Tom
Send me a DXF off list and I will import and
Post process it for you for mach2.
michael
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-----Original Message-----
From: davesmachines [mailto:techdave@...]
Sent: 10 March 2004 16:52
To: mach1mach2cnc@...
Subject: [mach1mach2cnc] chord size in small arcs too big
Gentlemen,
I am trying to set up Mach2 to mill some VERY tiny parts. Some of
the arcs have radii of .08 mm. In the tool path display, the
displayed contour shows the arcs to be broken into very large chords,
resulting in a small arc sometimes only having 3 chords in it. I
need to have these arcs cut with chords placed around every 5 degrees
of the arc.
Is it possible to change the chord size Mach2 cuts in for these small
arcs or is this beyond the capablility of the software?
My motors turn at 8000 steps per rotation (2000 line encoders) and
the ball screw pitch is 2 millimeters per rotation, so I have the
mechanical resolution to do these cuts. I just need the cnc control
to have the resolution.
Tom Eldredge
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