Okuma Alarm-A 1774 Sensor head advance/retract interlock
An attempt has been made to advance or retract the sensor head while its advance/retract is not possible, or the sensor head advance impossible state has arisen during the advance movement.
Sensor head advance/retract—- M117/M118
Object
SYSTEM
Code
1->The sensor head advance/retract command is designated while the spindle stop requirements are not satisfied:
– spindle stop signal is ON.
– spindle rotation signal is OFF.
2->The sensor head advance/retract command is designated while the tailstock spindle is not at the retract end with the center work specification.
3->The sensor head advance/retract command is designated while the chuck is not in unclamped condition.
4->The sensor head advance/retract command is designated while the interlocked equipment is not at the retract position.
5->The sensor head advance/retract command is designated while the turret is not at the travel end of Z-axis
6->The workpiece present signal is turned on while the sensor head is advancing.
7->The sensor head advance/retract command is designated while the tool gauging arm is not at the advance end.
8->The sensor head advance/retract command is designated while the robot inside the NC lathe signal is ON (robot specification).
9->The sensor head advance/retract command is designated while the loader inside the NC lathe signal is ON with loader specification.
10->The sensor head advance/retract command is designated while the special work rest is at other than the retract end.
11->The sensor head advance/retract command is designated when the temporary stand is not at the lower end.
12->The sensor head advance command is designated when the parts catcher is not at the retract end.
13->The sensor head advance/retract command is designated when the loader is at other than the retract end.
14->The sensor head advance/retract command is designated when the C-axis is rotating.
15->The sensor head advance/retract command is designated when the sub spindle chuck is not opened.
16->The sensor head advance/retract command is designated when the sub spindle is not at the W-axis travel end limit position.
17->The sensor head advance/retract command is designated when the machine door is not closed.
18->The sensor head advance/retract command is designated when the M-tool spindle is rotating.
19->The sensor head advance/retract command is designated when the work rest is not at the Z-axis advance end. Or the work rest is not at the X-axis retract end.
20->The sensor head advance/retract command is designated when the “work pusher at the retract end” input signal is not turned on.
21->The sensor head advance command is designated when the deburring unit is not at the retract end.
22->The sensor head advance command is designated when the temporary stand is not at the lower end.
23->The sensor head advance command is designated when the spindle is not within the certain angular position.
24->A touch setter advance/retract command was issued when the lower turret was not indexed within the lower turret rotation enabled range (for optional lower turret rotation range types).
25->A touch setter advance command was issued with the deburring unit not at the retract end.
26->The sensor head advance/retract command is designated while ZA axis or ZB axis is at interference position.
27->Touch setter advance command was issued ,when touch setter was not retract position.
28->The tool breakage sensor advance command was issued within the tool breakage sensor advance disabled range.
29->The sensor head advance/retract command is designated when the coolant supply.
30->The sensor head advance/retract command is designated while the spindle is not orientation condition.
31->The sensor head advance command was specified when the unload carrier is not in the retract position or the output position.
32->The sensor head advance/retract command is designated while the turret is not at the travel end of XA-axis or XB-axis.
33->A touch setter advance command was issued with the coiling prevention equipment not at the retract end.
34->In dual palm touch setter advance/retract operations, it was let go off either button during advance/retract the sensor head.
35->The sensor head advance/retract command is designated while the APC arm is not at the retract end.
36->The sensor head advance/retract command is designated when WCR-axis is not in movable area
37->The sensor head advance command is designated when X-axis is not in movable area.
38->The sensor head advance command is designated when the ATC sequence is in touch setter advance inhibit.
39->The sensor head advance command of outside diameter is designated when the sensor head of inside diameter is advanced. Or the sensor head advance command of inside diameter is designated when the sensor head of outside diameter is advanced.
40->Touch setter Adv./Ret. command was executed during the maintenance door was open.
41->The sensor head advance/retract command is designated while the turret is not at the home position 1.
42->The sensor head advance/retract command is designated when Measurement sensor unit is not in retract position.
Probable Faulty Locations
1)Faulty EC input signal (I/O check NO.51 INPUT bit9 (iPCBA) for parts catcher retract end confirmation
2)Program error
Program Example:
M03 S5000 M117
3)Operation error
Operation Example:
The turret is moved manually when it is not at the travel end of the Z-axis.