FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

20. AXIS CONTROL FUNCTION
B–62754EN/01
PROGRAMMING
360
A B–axis operation can be executed only when the B–axis can be
controlled by the PMC. For details, refer to the manual supplied by the
machine tool builder.
1. Only a single–motion operation can be specified with G110.
G110 G00 B100. ; OK. . . . . . . . . . . . . .
G110 G28 ; OK. . . . . . . . . . . . . . . . . . .
G110 G81 B100. R150.0 F100 ; P/S alarm No.5034. . .
2. A canned cycle (G81 to G86), and other operations containing
multiple motions, cannot be specified with G110.
If an inhibited operation is specified, P/S alarm No.5034 is output.
3. modal information specified with G110 does not affect the subsequent
blocks. In the G110 block, the initial modal value specified at the start
of the operation becomes valid, irrespective of the modal information
specified the previous blocks.
Example)
When the MDG bit (bit 1 of parameter 8241) is set to 1 and the
MDF bit (bit 2 of parameter 8241) is set to 1
G98 G00 X100. F1000 ; (1). . . . . . . . . .
G110 B200. F2 ; (2). . . . . . . . . . . . . . . .
X200. ; (3). . . . . . . . . . . . . . . . . . . . . . .
G01 X200. ; (4). . . . . . . . . . . . . . . . . . .
Block (2) instigates cutting feed (G01) at 2.0 mm/rev (G99).
Block (3) instigates rapid traverse (G00).
Block (4) instigates cutting feed (G01) at 1000 mm/min (G98).
4. During tool–tip radius compensation, two or more G110 blocks cannot
be specified in succession. If such blocks are specified in succession,
P/S alarm No. 504 is output. To specify two or more G110 blocks in
succession for a B–axis operation, register the blocks as a program
with G101, G102, or G103 and G100.
D PMC–controlled axis
Limitations
D Single–motion operation

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