LNS GT 326-E, Инструкция по эксплуатации, Страница: 84 / 218

Chapter 8 OPERATION
8 - 7
GT 326-E
8.3 AUTOMATIC / MANUAL SEQUENCE
The bar feeder can be switched into AUTOMATIC mode from two starting conditions.
8.3.1 Start a new bar cycle
Conditions must be fulfilled :
1. The lathe is not in AUTOMATIC mode.
2. The chuck of the lathe is open.
3. The lathe bar stopper must positioned at the Top Cut position
Before preceding the automatic sequence, make sure the bar feeder has been
properly setup on pneumatics, hydraulics, electrics and mechanics according
to bar stock dimension and machining conditions.
Step Description
1 Move the pusher to its home position and confirm the current pusher position is 0.
2
Open the guiding channel by pressing .
3
Press to load a bar into channel. The bar measuring device will set ready (up).
4
There are two methods to switch the bar feeder to auto mode:
A: Start the lathe in AUTOMATIC sequence by accessing the sub-program and
proceeding with the Top Cut cycle. Let the lathe start machining cycle by the program.
B: In manual mode advance the bar to the Top Cut position. Start the lathe
AUTOMATIC sequence from main program.
A B
4
Press and then to switch
the bar feeder to AUTOMATIC mode, it
will proceed step 5 and 6 automatically.
5
The loading flag advances the bar to the
First Feed position and then returns to
its home position. The guiding channel
is closed as well so insertion is
completed.
Press . The loading flag will feed the bar
to the First Feed position then return to its
home position. The guiding channel is
closed as well so insertion is completed.
6
Position the bar to Top Cut position and
send Start signal from the lathe.
Push forward by pressing or
until the bar reaches the TOP CUT
position.
7
Close the chuck of the lathe and switch
the lathe to auto mode. Close the chuck of lathe. Manually
advance the bar to Top Cut.
8
Open the chuck of the lathe. Move the bar
stopper of the lathe to the desired part
length. Manually advance the bar until it
touches the bar stopper in the lathe. Then
close the chuck of the lathe and retract
the bar stopper.