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13. Program Support Functions
(1) Passing singular point type1
Select the same direction as the start point of the tool base-side rotary axis or table
workpiece-side rotary axis in the block where a singular point passing is carried out. When the
rotation angle of the start point is 0°, select the wider stroke limit. When the stroke limits are the
same, select the one with a minus-coded rotation angle.
<Tool tilt type>
Y(-)
<Table tilt type>
Z(+)
<Combined type>
Z(+)
X(-)
°
C axis rotates 180
Z(-)
Fig. (a)
Z'(+)
Z"(+)
Y(+)
Y'(-)
°
C axis rotates 180
Z(+)
Z(+)
Y(-)
Y(+)
°
C axis rotates 180
13.24 Tool Center Point Control; G43.4/G43.5
Singular point
When passing the neighborhood of the
singular point, C axis rotates 180
the parameter "#7907 CHK_ANG"
(Judging angle for the singular point
neighborhood.).
Y"(-)
Fig. (b)
Y(-)
Fig. (c)
485
°
within
Singular point
When passing the
neighborhood of the singular
°
point, C axis rotates 180
within the parameter "#7907
CHK_ANG" (Judging angle
for the singular point
neighborhood.).
Singular point
When passing the
neighborhood of the singular
°
point, C axis rotates 180
within the parameter "#7907
CHK_ANG" (Judging angle
for the singular point
neighborhood.).
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