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2.4
INTERPOLATION
2.4.1
Positioning
The positioning is commanded
by GOO, C06,
G60 and Gnn.
The commanded axis
moves
at
rapid speed
to
the
position as follows.
•
For absolute command
(G90):
to
the
position on work
coordinate
system.
•
For
incremental
command(G91):from current
position
to
the
specified
position.
Positioning
(GOO, G06)
2.4.1
.1
l
•
GOO: Modal G
code in 01
group
GOO:
Positioning
is started in the error detection on mode.
In the error detection on
mode,
the number of
stay
pulses due
to
servo
delay is
checked after motion
pulses were
distributed,
and the
next
block
is started
only when the number
has reduced
to
a
permissible level.
In this
mode,
sharp corner cutting is possible.
P
GOO X
Y
Z
(* a
)
:
(where
a
and
0
=A, B,
C.
U, V,
orW)
With this
command,
the tool is
sent to
the
specified position
in
rapid
traverse
motions
along
the 3
axes
(5 axes*)
simultaneously.
If
any
of
the coordinate
positions
is
not
specified,
the machine does
not
move
along
that coordinate axis.
1. The
rapid traverse
rate
for the
respective
axes are inherent
to
the machine tool. Refer
to
the machine tool builder's manual.
2. When programming tool positioning commands, take care
to
avoid the possibility
of
tool and
workpiece
interference.
Motions in the
respective
axis directions
are independent
of each
other,
and
therefore.
the resultant tool
path
is
not
necessarily straight.
-
39
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