Specifications

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CONCISE GUIDE FANUC 159
17.0 SETTING OF GT 300 TAILSTOCK
This procedure only refers to the GT300 with tailstock option, since tailstock are moved differently in the
other models.
1 - Press the key JOG on the operator’s panel
2 - Fix the piece on the chuck
3 - Press the key MACRO EXECUTER PAGE
4 - Press the soft key F1 SUBSPINDLE CAMS SETTING
5 - Disable, if active, the tailstock thrust by means of the selector switch 0 / 1
ON / OFF THRUST
6 - Place the tailstock against the piece by means of the selector switch 1 / 2
7 - Press the soft key STORE AHEAD
8 - Place the tailstock in back position by means of the selector switch 1 / 2
9 - Press the soft key STORE BACK
Press any of the pages (EDITING, POSITION, SETTING etc.) to exit the TAILSTOCK SETTING macro
17.1 INSTRUCTIONS TO BE INSERTED IN THE PROGRAMME
Tailstock can be moved entering the following functions in the programme:
M22 (TAILSTOCK FORWARD)
M23 (TAILSTOCK BACK)
The tailstock thrust can be enabled or disabled in the programme by using the following
functions:
M922 (ENABLE TAILSTOCK THRUST)
M923 (DISABLE TAILSTOCK THRUST)
17.2 TAILSTOCK DOUBLE SPEED OPTION
On the machines equipped with this option, the start slowing position is approximately 20 mm from the
tailstock forward position. This length can be “adjusted”, modifying the dimension entered in SLOWING
CAM LENGTH, which can be accessed by pressing the soft key EDIT DATA. Then proceed as follows:
1 - Press the key MACRO EXECUTER PAGE
2 - Press the soft key F1 TAILSTOCK CAMS SETTING
3 - Press the soft key EDIT DATA
4 - By means of the arrow keys, place the cursor on SLOWING CAM LENGTH
5 - Type in the new value, for example: 10 (max value 11)
6 - Press INPUT to enter the value
7 - Press the soft key ADD DATA to store the value