Fanuc Symbol CAPi T Operators Manual

VARIOUS FUNCTIONS AND
PRECAUTIONS OF Symbolic FAPT
B–63304EN/02
2. CAUTIONS FOR USING
Symbolic FAPT
378
(10) If the tool cuts in the groove in outer surface finishing for an end
surface that contains a groove figure
A tool path that extends into a groove may be created if the following
three conditions are satisfied.
À A step occurs in portion A in the blank figure because the finishing
allo
wance differs between outer surface roughing and inner surface
roughing.
Á The cutting area is not continuous because grooving has been
performed before.
 In outer surface finishing, clearance value CX is not equal to
clearance value CZ.
Part figure
Blank figure
Division start
point
Division end
point
Portion A
Fig. 2.5 (g)
In this case, make clearance values CX and CZ equal to each other
so that condition Â, which does not affect machining, is eliminated.

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