Okuma Alarm-B 2371 TOW-ALONG TAILSTOCK MOVEMENT condition
G152 (tow-along tailstock positioning cycle) is designated in other than G13 (A saddle) mode.
G152 is designated without a W command.
G152 is designated during the tool nose radius compensation or LAP mode.
G152 instruction (tailstook translocation cycle instruction) of NC tailstook specification and G153 instruction (tow-along steady rest translocation cycle instruction) of a NC tailstook travelling-type tow-along steady rest specification except for A saddle command is designated.
Or without W instruction command is designated.
Or in nose-R compensation command is designated.
Or in LAP command is designated.
Concerning Sub spindle-tailstock Control specification, it instructed with the instruction prohibited.
1->G152,G153 designated in other than A saddle.
2->G152,G153 designated without a W command.
3->G152,G153 designated during the tool nose radius compensation mode.
4->G152,G153 designated during the LAP mode.
5->G152,G153 command was issued in the Y-axis control mode.
6->G152 instructions were done by the state that X axis is not plus variable limit position.
7->When restart-order was performed, real-position of tailstock differ from movement-target-position of one.
8->The setting value of the set selected with the multiple sizing position commmand is unmatched.
9->The sizing position command is executed while the brake is not released in the sizing position area.
10->The following are the disagreements before and after sequence restart.
The multiple sizing position M55/M56/M847
11->There is an error in the multiple sizing position command.
12->The NC tailstock no load torque teaching cycle command is issued at the -side viewed from the approach position.
13->A system variable(VTSWP and VTSAP and VTSRT) was ordered during movement.
14->The set number of the mode exclusive use which isn’t chosen in the low thrust spec was ordered.
15->When it was the number of the mode which isn’t chosen in the low thrust spec, a movement order was performed.
16->An order of thrust change was performde during in low thrust mode.
Probable Faulty Locations
1) Program error
Measures to Take
1) Check the commands in the G152 block.
In the example program above, no W command is designated.
N010 G152 W100