YASKAWA YASNAC 3000G

2.5
CUTTING
FEED
2.3.3
MAXIMUM
PROGRAMMABLE
VALUE
2.5-.
1
FEED
FUNCTION
A
(F-FUNCTION
A)
Maximum
programmable
values
of
move
com¬
mand
are
shown
below.
f-
T
he
four
digits
following
the
address
F
are
for
commanding
tool
feed
rates
minute
(mm/min).
Table
2.
5.
1. 1
shows the
programmable
range
of
the
F
code.
Maximum
Programmable
Values
Table
2.3.3
Increment
system
x
10
x
1
±8388.607.'
mm
F
code
(mm/min-A)
Table
2.
5.
1. 1
£8388.
60
mm
Metric
Range
of
Feedrate
Inch±
'*•
±330.260
inches
±330.2601
inches
Format
Meanings
Degree'1'
±8388.60
deg.
±8388.607
deg.'
Metric
System
l
to
5400
mm/min
FI
to
F5400
F4
Inch±
System
In
incremental
programming,
input
values
and
the
accumulative
value
must not
exceed
the
max¬
imum
programmable
value.
In
absolute
programming,
input
values and
move
amount
of
each axis
specified
by
the
inputs
must
not
exceed the maximum
programmable
value.
0.1
to
212.
5
inch/mm
FI
to
F2125
F31
,
Note:
Where the
4th
axis is
a
rotary
axis,,
refer
to
2.
14.3
Linear
Interpolation
(G01).
C?
•
Machine
tool builder's
specifications
may
fix
the maximum
cutting
feedrate.
If
so,
the
re-
levant
maximum'
value
is
set
for
parameter
No.
75.
Even
when
F
command
in
excess
of
this
set
limit
value
is
given,
the
feedrate
is
fixed
in
accordance
with
specifications.
•
Values
of
F
command
at
linear
or
circular
in¬
terpolation
represent
the
tangential
feedrate
when
two
axes are
simultaneously
controlled.
Note:
The
machine
may
not
function
properly
if
a
move
command
over
the maximum
program¬
mable
value
is
given.
The above
maximum
pro¬
grammable
values also
apply
to
distance
com¬
mand
addresses
I, J,
K
(R,
Q)t
in
addition
to
move
command addresses
X,
Y,
Z
(at
).
2.4
RAPID
TRAVERSE
RATE
EXAMPLE
1
2.4.1.
RAPID
TRAVERSE
RATE
G91
(Incremental
command
designation)
Each
axis
moves
at
the
rapid
traverse rate
when
GOO
(positioning)
is
commanded
or
RAPID
mode
(manual
rapid
traverse)
is
selected.
Rapid
traverse rate
is
set
with
parameter
No.
94.
To
the
rapid
traverse
rate,
some
override
traverse
rates
can
be
applied.
(Refer
to
6.
1.
10
RAPID
TRAVERSE
RATE
OVERRIDE
Switch1}
G01
X4000
Y3000
F500
*
in
the above
case,
the
feedrate
is:
F
-
500
(
mm/min)
=
J
3002
+
4002
!
Z-axis
component
*ÿ
2.4.2
RANGE
OF
RAPID
TRAVERSE
RATE
X-axis
component
Rapid
traverse rate
is
set
for
each axis
in
the
following
step.
Step
of
rapid
traverse
rate--7.
5
mm/min
(or
deg/min+)
The
upper
limit
of
rapid
traverse rate
is
15
m/
min
(or
41.6
rev.
/min±).
However,
the
upper
limits
are
subject
to
the
design
of
the
servomo¬
tor
or
machine
used.
The
optimum
rate
must
be
determined
in
accordance
with
the
specifica¬
tions
given
by
the
machine
tool
builder.
Vs-
1
300mm
/rain.
+Y
400tnm/min.
+X
(a)
Fig.
2.
5.
1.
1
-
6