CHAPTER 8: OPERATION 8-7
ALPHA 552
4. AUTOMATIC SEQUENCE
The ALPHA 552 barfeed system could be switched into AUTOMATIC mode at two timings.
4.1. Starting a new machining
Warning:
Conditions must be fulfilled:
1. The lathe is not in AUTOMATIC mode.
2. The lathe chuck is open.
3. The lathe stopper must be positioned at the TOP CUT position.
Move the pusher to its origin reference and confirm the current pusher position is 0.
− Open the channel.
− Load a new bar stock by pressing the channel open button.
− Press the channel open button again to reset the loading finger.
− Switch the barfeed system into AUTOMATIC mode.
− Switch the lathe into AUTOMATIC mode.
The barfeed system advances the bar stock to TOP CUT position and sends START signal.
4.2. Continue an interrupted machining:
Warning:
Conditions below must be fulfilled:
1. The lathe is not in AUTOMATIC mode.
2. The lathe chuck is open.
3. The lathe stopper is positioned at part length position.
4. The barfeed system channel is closed and pusher is not at origin reference.
Manually move the pusher forward until the bar stock pushes against the stopper.
− Close the lathe chuck.
− Switch the barfeed system into AUTOMATIC mode.
− Switch the lathe into AUTOMATIC mode.
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