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2.12
TOOL OFFSET (Cont'd)
(6)
G41/'G42
switching
in offset mode
Tool radius
compensation can
be switched
directly
between G41 and
G42
during
the offset mode without
being
canceled
by
G40.
There are
two
methods of
switching
which can be selected
by a
parameter.
Pm4013 Dl = l :
Type
A
Pm4013
D1 -0
:
Type B
(a)
Type A: Switching is accomplished by using the
start
and end of
the direction
switching
block
r
Example of Programming
)
NUI
o
1
7
oni
F
•
MI
oil
i
i.»
:
N20 GDI
X
F
V
:
|
N21
042 IG4P
X
.....
V
-
••
-
SWITCHING KLOCK
N::
x
v;~v
\
/
/
\
G41
\
A
/
N 21
N 20
N 21
N20
\
G 41
\
N
22
\
v
N 22
G42
G
42
(ai
G4I
-042
IMWMOL'F.)
tb» 042
—
O4I
Even when commanded
by dividing the
N2I bkck into
two
blocks as shown
below.
042 1041
1
:
Y
X
the
same
results
as
above
are
obtained.
Fig. 2.12.43
Switching
of Start and End in
Direction
Switching Block
-
142
-
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