OPERATION5. TEST OPERATION
To display the change in the position without moving the tool, use
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.
The tool does not move but the
position along each axis changes
on the display.
Fig. 5.1 Machine lock
Procedure for Machine Lock and Auxiliary Function Lock
Press the machine lock switch on the operator’s panel. The tool does not
move but the position along each axis changes on the display as if the tool
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.
Performing automatic operation with machine lock applied
may cause the positional relationship between the
workpiece coordinates and machine coordinates to differ
from that prior to automatic operation. In such a case, reset
the workpiece coordinate system by specifying coordinate
system setting or by performing manual reference position
Press the auxiliary function lock switch on the operator’s 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.
MACHINE LOCK AND
D Machine Lock
D Auxiliary Function Lock