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I'll share a trick that I use:
To produce a pocket that has a large stepover, yet
take a small stepover for the finish pass;
First, pocket the profile with the large stepover,
specifying an amount of wall allowance equal to the amount you wish to take for
a finish pass.
Then, pocket the profile again. This time change
the stepover value to a very large amount (10") and set the wall allowance to
zero. This will produce your finish pass(s).
All toolpath produced by the pocket routine have no
offset, and therefore no cutter comp. If you wish to have cutter comp active for
the finish pass, then set the wall allowance to a negative value equal to the
radius of the cutter. Group the resulting tool path and change the properties of
the tool path to have the appropriate offset. Left for climb
milling.
Gene Bowen
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