Fanuc Symbol CAPi T Operators Manual

B–63304EN/02
2. CAUTIONS FOR USING
Symbolic FAPT
VARIOUS FUNCTIONS AND
PRECAUTIONS OF Symbolic FAPT
379
(11) If a portion on the outer surface is left uncut in outer surface roughing
followed by end surface roughing
Fig. 2 shows a cutting area with the division start point DS and its
vicinity enlarged when the cutting area is specified for the outer surface
(Fig. 2.5 (h)). Small taper elements À and Á appears one after another
at or around a portion where the dividing arrow meets the blank figure.
For the specified cutting area, compensation regarding a finishing
allowance, clearance, and nose R is made before a tool path is
created. If small taper elements appear one after another as shown
in Fig. 2.5 (i), the compensated cutting area may contains an
unnecessary projection (circled) as shown in Fig. 2.5 (j).
If this projection occurs, it makes it impossible during tool path
creation to determine whether the entire cutting area has been
processed.
In this case, specify the dividing direction in such a way that the
cutting area does not contain element À or Á as shown in Fig. 2.5
(k), because elements À and Á shown in Fig. 2.5 (i) will not actually
undergo outer surface machining.
Fig. 2.5 (h) Fig. 2.5 (i)
Part
Blank figure
Dividing
direction
Á
À
J
Fig. 2.5 (j) Fig. 2.5 (k)
Part
Blank
figure
Dividing
direction
Á
À
J

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