CHAPTER 7: GENERAL DESCRIPTION 7-21
ALPHA 552
9. RETRACTION DEVICE (option)
It is strictly prohibited to use the retraction system before the barfeed system is anchored
to the ground. Please read the safety instructions provided at the beginning of this manual
before handling the following devices.
Before handling the retraction mechanism, check to see that the interface cables between
the spindle and the barfeed system are long enough.
9.1. Description
When a lathe is equipped with a barfeed system, certain elements (motors, spindle reduction tubes, etc.)
become inaccessible, and sometimes it is difficult, or even impossible, to proceed with their maintenance.
To facilitate these tasks, the ALPHA 552 can be equipped with a retraction system, which allows the
operator to move the barfeeder. The rigidity of the system guarantees a perfect alignment when the
barfeed system is in working position.
A safety switch impedes any handling as long as the barfeed system is not in operational position.
9.2. Operation
Conditions: - Barfeed system in MAN or STOP mode.
- No bar between the barfeed system and the lathe
- Pusher inside the barfeed system
- The area around the barfeed system must be clear
Procedure:
1. Loosen the 10 lock screws (A) on the sides of the stands.
2. Loosen and remove the 4 lock screws (B) behind the stands.
3. Pull the barfeed system back.
4. After completing the maintenance operations, bring the barfeed system back in working position,
lock the side screws (A) and the screws (B). (max 75 Nm)
A
A
B
B
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