Bridgeport Interact 2 - X Axis Limit Switch Replacement; Y Axis Extreme Limit Dogs

2. Place the control
in
reference
mode
by pressing
the
key ancl
then
@
3.
Slowly
handwind
the
axis and
record the position
display
figure as
the positive
extrerne
limit
switch
just
operates.
4.
Deduct
0.4
mm
from the reading,
to obtain
the
positive
software
limit
figure.
5.
Deduct 750.i
mm
from
the
positive software
limit
figure to obtain
the negative
software
limit
figure
"
6.
Enter these values
as
follows'
Machine
parameter
31
Positive
software
limit
(X
a<is)
Machine
parameter
32
Negative software
limit
(X
axis)
7.
Using
the
joystick
in
rapid, check hat the table can
be
run onto
its software
limits, and
off
again,without tripping
the
extreme limits.
REF
8. Exit
from
the control
reference mode
by pressing
then
REF
@
9.
Check
that at
least 750 mm of stroke
can be achieved
10.
Record the new software
limits on the Machine Software
Parameter
Record
which
may be
found
in
the
door
pocket of
the elecuical cabinet.
7.6.4 X Axis Limit Switch
Replacement
To
remove
an
X
axis limit
switch
(located
on the rear surface
of the saddle)
turn off the
power
and
proceed
as
follows,
1. Remove the
bottom cover
plate from the limit
switch.
2.
Unscrew
the
large hexagon nut(s) on
the electrical cable connection
and
disconnect
the cable
from
the limit
switch.
3.
Remove the
t'wo
screws
securing the limit switch
to the
mounting plate
on the saddle.
Install the
new
limit switch by
reversing the above
procedure. Verticd
adjustment
of the limit
switch
may be
achieved
by slackening
the two screws
securing the
mounting
plate
to
the
saddle.
NOTE After
installation
of
tbe limit switcb
cbeck
the X avis reference
dog
adjustment
ds
per
Section
7.6.2 steps
2 to
5.
If necessary,reset
tbe X axis
ercfieme
limit dogs as
per
Section
7.6.1.
7.6.5
Y
Axis
Extreme Limit
Dogs
The
available stroke
of
the
saddle is
determined
by the software
limits set
in the
machine
control.
The
extreme limit
dogs
exist
only
as an additional
safeguard
to shut
off
power to
the
axis
drive in the
event
of
a
control or
drive malfunction which
causes
the table
to
go outside
its
software
limits.
1.
In order to set
the
extreme limit
dogs it is
necessary to'override
the software
limits.
7-15