LNS Alpha ST 320 - Alarm 33 - Lathe DID Not Resume Start Cycle; Alarm 34 - Pusher Drive Error; Alarm 35 - Alarm Signal from the Lathe

CHAPTER 9: MALFUNCTIONS
ALPHA ST 320
9-9
1.25 Alarm 33 – Lathe Did Not Resume Start Cycle
e 3 3 : L A T H E D I D N O T
Alarm33:
R E S U M E S T A R T C Y C L E !
Description :
After the bar is positioned in Top Cut position the lathe does not close the chuck
within the time limit of 10sec.
Solution :
Check interface start signal PLC output Q1.6 (interface relay R2) and check the
lathe NC program.
1.26 Alarm 34 – Pusher Drive Error
e 3 4 : P U S H E R D R I V E
Alarm34:
E R R O R ! C H A I N B R O K E N ?
Description :
When the pusher is moved to the home position it is expected to hit the stopper at
the home position. If the motor can keep turning after reaching the home position
this alarm occurs.
Solution :
Check the mechanical power transmission from motor to the pusher (chain
broken? chain too loose?).
1.27 Alarm 35 – Alarm Signal From the Lathe
e 3 5 : A L A R M S I G N A L
Alarm35:
F R O M T H E L A T H E !
Description :
Alarm signal from lathe.
Solution :
Check the lathe.