Specifications

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CONCISE GUIDE FANUC 125
The activation of function G112 does not involve movement of the machine axes, and the monitor shows
the addresses of the new co-ordinates.
The activation and deactivation functions of the milling radius offset (G41, G42 e G40) are only allowed
after function G112 has been activated.
When the milling operation has been terminated, before the separation and release of axis C, it is
necessary to return to the real co-ordinates by activating function G113.
Example of passage from turning operation to working in imaginary co-ordinates(G112):
N14 ….
N15 ….(TURNING OPERATIONS)
N16 ….
N17 M37 (OR M237 FOR BACK SPINDLE)
N18 G28 C0 (OR G28 A0 FOR BACK SPINDLE)
N19 T101
N20 G54
N21 M303 S1000
N22 G94 F500
N23 G0 X100 Z10 C0 (OR Z-10 A0 FOR BACK SPINDLE)
N24 G112 (ENABLE IMAGINARY CO-ORDINATES)
N25 ….
N26 ….
N27 …. (MILLING OPERATIONS)
N28 ….
N29 G113 (RETURN TO REAL CO-ORDINATES)
N30 G0 Z100
N31 M305
N32 M36 (OR M236 FOR BACK SPINDLE)
N33 G95
N34 ….
N35 …. (TURNING OPERATIONS)
N36 ….
All work in G112 mode is to be carried out with axial motor driven tools.
The cutter/bit must be reset only along axis Z, however, it is necessary to write 0 (zero) in the tool table,
in the geometry offset column next to the corrector used.
To obtain a correct result, the cutters/bits must be aligned and centred to the motor driven tool.