Specifications

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CONCISE GUIDE FANUC 161
18.0 TAILSTOCK AND REST MANAGEMENT ON MACHINES CTX
Some machines CTX (400,500,700) are provided with option “tailstock with automatic clamping” and
option “positionnable rest”. These options management may happen manually (trough selectors set on
operator’s panel or with use of foot switches) or in working cycle ( with functions M).
18.1 MANUAL MOVEMENT OF TAILSTOCK AND REST
To move manually tailstock and rest you need simply to make coincide the clamping index on the carriage
with the corresponding place on tailstock or rest.
To make this operation, you must be in JOG have the sliding door closed, or the consent to manual
commands pressed.
In case of tailstock you must be sure that the micro of positioning of quill is in the backward position and is
not active the thrust trough the specific selector.
In case of rest, arms must be open, in contrary case act on foot switches.
After the control of all these verifications, press the buttons to clamp tailstock and rest on operator’s panel.
TAILSTOCK CLAMPING
REST CLAMPING
Now moving the carriage of Z axis you also move the tailstock or rest blocked to it.( rapid movements
are limited to 10%)
To release the tailstock or the rest from the carriage and clamp it to the bed press again the specific
buttons to clamp.
18.2 INSTRUCTIONS TO INSERT IN THE PROGRAM
Rest and tailstock movement occur with the insertion in program of a list of functions M:
TAILSTOCK
M52 tailstock unclamping from the bed and clamp to the carriage
M53 tailstock unclamping from the carriage and clamp to the bed
It’s possible enable or disable from program the thrust of tailstock using the functions:
M922 enable quill thrust
M923 disable quill thrust