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2.13 PROGRAM
SUPPORT FUNCTIONS
(Cont'd)
(c)
Alarm codes
The
following
alarm codes
are
added.
(
i
)
Alarm "250"
solid
tap
function unusable command
The G93 block contains an
invalid command other than G93,
S,
F, and N.
•
The G code in
group
01 when G93 is
commanded is
not
00
or
01.
An invalid G code is commanded during the G93 mode.
•
The
pitch
F of solid
tap
is
greater
than the
allowable
range
(200.
mm/rev).
{
ii
)
Alarm
"2191" solid
tap
I/O
error
•
When solid
tap
is executed,
the
spindle
positioning control
loop
is
not
incorporated.
•
When
dividing is performed for G93,
SLPC is turned off before
dividing
is
completed.
(iii)
Solid
tap
return
speed
increase function
By setting
a
value
to
parameter
pm 1252,
it is
possible
to
control the
solid
tap
cutting speed so
that
return
speed (Z-point
—
R-point
cutting)
is 'n'
(0.1
n
25.5)
times the forward
(R-point
—
Z-point
cutting).
However, the number of spindle revolutions is
clamped
(fixed) to
the commanded value of S
magnification
rate
which is the
maximum number of solid
tap
revolutions of Pml416.
Furthermore.
when Pm 1252=0. n=l.
Pm 1252 Specification
range: 0
to
255:
Unit: 1
= 0.1 time
Specification 0 is assumed
to
be 1 time.
(4).
Solid
tapping
related
parameter
and
I/O
signals
(
i
)
Parameter list
<1*
Spindle
allocation
stop
verification
r/min
pml225 1st spindle
gear
A
pml226
I
1st
spindle
gear
B
(2)
Error
detection ON
area
at
spindle loop
pml331
1
1st spindle
gear
A
pm
1332
'
1st spindle
gear
B
®
Servo
error area
at
spindle loop ON
pm
1351
:
1st spindle
gear
A
pml352
:
1st spindle
gear
B
Setting
1=1
r/min
Range 1
to
255
Setting 1 =
Least detection unit
Range. 1 to
255
Setting 1 =
1%
Range 0 to
200
-
200
-
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