FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

OPERATION
5. TEST OPERATION
B–62764EN/01
636
To display the change in the position without moving the tool, use
machine lock.
There are two types of machine lock: all–axis machine lock, which stops
the movement along all axes, and specified–axis machine lock, which
stops the movement along specified axes only. In addition, auxiliary
function lock, which disables M, S, and T commands, is available for
checking a program together with machine lock.
CRT/MDI
X
Y
Z
The tool does not move but the
position along each axis changes
on the display.
Tool
Workpiece
Fig. 5.1 Machine lock
Procedure for Machine Lock and Auxiliary Function Lock
Press the machine lock switch on the operators panel. The tool does not
move but the position along each axis changes on the display as if the tool
were moving.
Some machines have a machine lock switch for each axis. On such
machines, press the machine lock switches for the axes along which the
tool is to be stopped. Refer to the appropriate manual provided by the
machine tool builder for machine lock.
WARNING
The positional relationship between the workpiece
coordinates and machine coordinates may differ before and
after automatic operation using machine lock. In such a
case, specify the workpiece coordinate system by using a
coordinate setting command or by performing manual
reference position return.
Press the auxiliary function lock switch on the operators panel. M, S, and
T codes are disabled and not executed. Refer to the appropriate manual
provided by the machine tool builder for auxiliary function lock.
5.1
MACHINE LOCK AND
AUXILIARY
FUNCTION LOCK
D Machine Lock
D Auxiliary Function Lock

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