FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
15. COMPENSATION FUNCTION
B–62754EN/01
226
When the offset cancel mode is changed to offset mode, the tool moves
as illustrated below (start–up):
LinearLinear
α
Programmed path
L
S
G42
r
L
LinearCircular
α
S
G42
r
L
Tool nose radius
center path
C
Workpiece
Start position
Start position
Programmed path
Tool nose radius center path
Work-
piece
r
α
L
S
G42
L
α
S
C
G42
r
r
L
L
L
r
L
LinearLinear
LinearCircular
Workpiece
Start position
Start position
Work-
piece
Programmed path
Programmed path
Tool nose radius center path
Tool nose radius
center path
Intersection
Intersection
15.3.2
Tool Movement in
Start–up
Explanations
D Tool movement around
an inner side of a corner
(180°xα
D Tool movement around
the outside of a corner at
an obtuse angle
°xα<°

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