Okuma Alarm-A 1741 Chuck unclamp
A spindle or an M-tool spindle rotation command is designated while the chuck is not closed, or the chuck close signal is cut off during spindle rotation.
Object
SYSTEM
Code
1->Spindle rotation command is designated (with chuck open).
2->Chuck close signal is turned off during spindle rotation.
3->M-tool spindle rotation command is designated (with chuck open).
4->Chuck close signal is turned off during M-tool spindle rotation.
7->While the tailstock was being unclamped, a spindle rotation command was issued.
8->The spindle chuck was unclamped during spindle rotation.
9->The spindle speed exceeded the limit specified by the parameter with the ceiling door open and a chuck interlock release command pending.
10->The spindle speed exceeded the limit specified by the parameter with the front door open and a chuck interlock release command pending (for optional chuck interlock release types).
11->Chuck close signal or face driver advance signal is turned off during spindle rotation.
12->Spindle rotation command is designated while the finger chuck is not clamped.
13->Spindle rotation command is designated when the locater is not at the retract end.
14->Chuck close signal is turned off during C-axis rotation.
15->M-tool spindle rotation command is designated (with tailstock chuck open).
16->Tailstock chuck close signal is turned off during M-tool spindle rotation.
17->The front air chuck clamp signal is turned off during spindle rotation.
18->The rear air chuck clamp signal is turned off during spindle rotation.
Probable Faulty Locations
1)[Code]1, 3->Operation error
2)[Code]2, 4->Faulty LS, or dog position adjustment error
Measures to Take
1)[Code]1, 3:The rotation command of the spindle and the M-tool spindle should be designated only after closing the chuck.
2)[Code]2, 4:Replace the LS or adjust the dog position.
3)[Code]13:The rotation command of the spindle should be designated only after retracting the locater.