CHAPTER 8: OPERATION 8-13
ALPHA ST320 S2
P03: Feeding speed setup
This parameter should be modified
if the spindle moving speed has
changed.
Setup related to feeding speed. This parameter results in
different influence according to different service parameter
setup.
Lathe type Pusher speed
Fixed
headstock
(mode10=0)
Chuck
open
Controlled by P03
Chuck
close
2%
Swiss type
(mode10=1)
Mode 13=0
(without
synchronization)
Mode 13=1
(with
synchronization)
Chuck
open
P03 P03
Chuck
close
Controlled by
P03
Controlled by
synchronization
P04: Bar change setup
This parameter should be modified
if the barfeeder is re-installed or
moved.
Current position : (read only)
The current pusher position measured from home position
sensor SQ2.
Bar end cycle : (read only)
Number of BAR END signals sent to the lathe. For every bar
one BAR END signal is sent. This counter is an indicator for
the total number of loading cycles the bar feeder has
performed.
Bar end point :
• The pusher position where the remaining bar stock
length is inadequate to make a complete part according
to P02 setup when the pusher travels to here. Generally
it’s called BAR END or END of BAR position.
• Setup:
Move the pusher (with finger chuck installed) forward
until it touches against the lathe chuck. Deduct the value
of “Position” on the display by 10 as BAR END position.
• When the pusher arrives this position during
AUTOMATIC mode, the bar feed system sends a BAR
END signal to the lathe and proceeds the bar change
process accordingly.
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