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Plane Selection (G17/G18/G19)
(1)
The
planes
to
perform
circular
interpolation, tool
radius
compensation.
and
coordinate rotation
are specified by
G codes:
G17. G1S.
and G19.
2.7.2
G17: XY
plane
G18: ZX
plane
G19:
YZ
plane
l
(2)
When the
4th
linear axis
is
selected,
the
following planes are newly
added:
G17:
XY
plane or
Xa
plane
G18: ZX
plane or
Za
plane
G19: YZ
plane or
Ya
plane
V indicates
any
one of
U.
V, nr
W.
(3)
When the 5th linear
axis!*)
is
selected,
the
following new planes are
added:
G17:
XY
plane or
Xfi
plane
G18: ZX
plane or
Z/J
plane
G19: YZ
plane or
Yfi
plane
7?'
indicates
any
of
U,
V.
or
W.
(4)
A move command for
a single
axis can be
programmed irrespective
of
plane specification by
G17.
G18, or
G19.
For
example,
if
programmed as
shown
below,
the Z-axis is moved.
1
G17 Z
(5)
The
plane
to
perform
tool radius
compensation by using
G41
or
G42
is
univocally
determined
by G17, G18, or
G19. Note however that
no
correction
plane can
be
specified
for
a
plane that
includes
a
4th rotation
axis.
(6)
When
power
is
turned
ON,
the XY
plane (G17) is
selected.
(7)
A canned
cycle
is fixed
to
the G17 plane.
|
G17: Z-a\is hole opening axis
1
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91
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