YASKAWA yasnac i80m

2.5.6.3
Cutting
feed accel/decel
(1)
Automatic
acceleration
and
deceleration
of
feed
motion
(G01
to
G03)
are
in
the
exponential
mode.
(2)
Feedrate
time
constants
and
feedrate
bias
are
set
by
parameters.
During
tapping,
time
constants
and
bias
other than
for
normal
feedrate
can
be
set
by
parameters.
(Pm2501
—
,
Pm25
II
—
,
Pm2821-,
Pm2831
-)
l
v
Fi
SPEED
i
TIME
Fig.
2.5.6
Exponential
Accel/decel
Speed
Automatic
acccl
decel
parameters
are
set
to
the
optimum
values
for
respective
machines.
Do
not
change
the
setting
unless
required
for
special
purposes.
2.5.7
Override
For details
on
override,
refer
to
command
or
reference
manuals issued
by
your
machine
tool
builder.
2.5.7.1
Feed
rate
override
(1)
In
the
automatic
operation
mode
(TAPE,
MEM.
or
MDI),
the
feedrate
instructed
by
the
F
code
can
be
overridden
in
21
steps
from
0
to
200
%
in
increments
of
10%.
(2)
However,
the
feed
by
tapping
cycle
G7
A
or
G84
is
as
instructed
by
the
F
code,
and
cannot
be
overridden.
(3)
If
the
OVERRIDE
CANCEL
switch
is
ON.
the
feed
is
not
affected
by
this
selection switch
and
runs as
instructed
by
the
F
code.
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