Exact Stop (G09); Exact Stop Mode - YASKAWA yasnac i80m Instruction Manual

Cnc system for machining centers
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2.5
FEED FUNCTIONS (Cont'd)
Exact
stop (G09)
2.5.9.1
If a
prugram
contains code G09 in
a
cutting command,
the
next
block is
started in the
error
detection ON mode.
(See
NOTE 1
on
next page.)
Use this function
to
obtain
a sharp
corner.
G09 is
a
nonmodal code and its
effect continues only in the block where it is
specified.
2.5.9.2
Exact
stop
mode
(G61, G64)
After
G6I.
cutting
command blocks
are
processed in
the error detection ON
mode
until the code is canceled
by
G64.
NOTE
I.
Krmr detection ON
mode
In
the error
detection ON
mode,
the number
of
lag pulses due
to
servo delay is checked after
linear
ur
circular
interpolation command
pulses
were
distributed,
and the
next
block is
started
only when the
number lias reduced
to a
permissible level.
L\
Ern»r detection OFF mode.
After .vnormal
linear
or
circular
interpolation command
out
of the Gnft
or
061
mode,
the
next
block is started immediately
after
the pulses
are
distributed.
Because of servo
delay, corner
trajectory
is rounded. This is the error
detection
OFF
mode.
X Error
detection ON/OFF
for rapid
traverse.
The error detection
ON/OFF
mode for
rapid
traverse
is controlled
by
GOO and G06
only,
and G09. G61. and
G64
are disregarded.
66
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