VARIOUS FUNCTIONS AND
PRECAUTIONS OF Symbolic FAPT
2. CAUTIONS FOR USING
(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
wance differs between outer surface roughing and inner surface
Á The cutting area is not continuous because grooving has been
Â In outer surface finishing, clearance value CX is not equal to
clearance value CZ.
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.