YASKAWA yasnac i80m

‘Q
Example
of
Programming
|
oo-i
r-jr-oiH
|
Dwell
time
:
li.fi
sec.
I
(4)
Two
types
of
dwell
can
be
selected
by
parameter
:(Pm40
15
D3).
Dwell
when
the
specified
value
in
the
command
block
before
the dwell
block is
identified
by lag
pulses
of
servo,
or
dwell
on
completion
of
pulse
distribution.
2.5.9
Speed
Control
Reference
For
speed
control
of
interpolation,
accel/decel
control
is executed
by
a
time
constant
in
start
and
stop.
Part
program
is
created without
regard
to
the
control.
However,
cutting
in
a corner
may
result
in
rounding by
follow-up
error
between
NC
command and
actual
machine
movement.
To eliminate the
rounding,
add
G04
(dwell)
instruction
in
the
corner
for
positive
deceleration.
Y-axis
moves
before
X-axis has
fully
decelerated.
Y-axis
lx-
fur
X
has decelerated.
moves
-axis
cm
ADDITON
o
X
,/
X
Fig.
2.5.8
Adding
G04
Instruction
in
Comer
To
control
the
follow-up
error(rounding)
in
the
program,
use
G09
(exact
stop)
in
the
program.
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65
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