13. Program Support Functions
13.14 Normal Line Control; G40.1/G41.1/G42.1
398
(b) Normal line control type II
Normal line control axis
turning angle at block seam:
θ
G41.1
G42.1
1. -
ε
<
θ
<
ε
ε
-
ε
0
°
180
°
270
°
(-90
°
)
90
°
θ
θ
No turning
θ
θ
No turning
2.
ε
≤
θ
< 180°-
ε
ε
0
°
180
°
270
°
(-90
°
)
90
°
180
°
-
ε
θ
Operation error (0118) (Note)
θ
3. 180°-
ε
≤
θ
≤
180°+
ε
180
°
-
ε
0
°
180
°
270
°
(-90
°
)
90
°
180
°
+
ε
θ
θ
θ
θ
3. 180°+
ε
<
θ
≤
360°-
ε
360
°
-
ε
0
°
180
°
270
°
(-90
°
)
90
°
180
°
+
ε
θ
θ
Operation error (0118) (Note)
(Note)
Turning operation in the command direction is performed in the inside of the workpiece.
Therefore, an operation error will occur.