Chapter 6
74
UM10350_PCNC770_Manual_0916A
PathPilot Interface
If tool diameter is bigger than pocket width no G-code being produced, an error appears on the
Status tab.
If the tool just ts within the pocket width and length, a straight Z plunge in the pocket center is
used, therefore a center cung end mill is needed. Next comes a single pass around the perimeter.
This is repeated for each Z Depth of Cut pass.
If the tool just ts within the pocket width, but length is greater than 2x tool diameter, this allows
a linear ramp entry which also does the material clearing. The linear ramp is limited to a Z slope of
2° or less (the angle is adjusted smaller to t the slot length). A single perimeter cut is done next.
If the pocket width and length are greater than 2x tool diameter, this allows a helical entry which
cuts a hole of 2x tool diameter in the center of the pocket. Material clearing is done by squaring up
the hole, then cung wings to each side of the pocket length. Finally, a perimeter cut is done.
X and Y Start and End DROs
Start and End – These DROs should be set to the locaon of the pocket edges.
Radius – Enter 0 if no corner radius is desired. Valid radii values are from 0 up to one half of the
pocket’s narrow width (or limited to full radii on the long ends of the pocket). The actual corner radii
must be larger than or equal to the tool’s radius, but Pocket tolerates radius entries less than the
tool radius – the tool path will just be a sharp corner.
Stepover – This is the oset between adjacent tool paths. A stepover of 0 creates a single pass (or
rectangular slot) around the perimeter (inside) of the pocket.
Figure 6.23
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