
B-64663EN/01 LASER FUNCTION 6.TRACING CONTROL
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6.1 TRACING CONTROL
6.1.1 Tracing Function
Overview
When a sensor for detecting the distance to a workpiece is mounted on
the Z-axis, and a signal from this sensor is sent to the CNC, the CNC
outputs a Z-axis (W-axis) move command to establish a specified
distance between the sensor and workpiece.
Commands
Both G codes and an external signal are available as tracing
commands.
The G codes (G13 and G14) and the external signal (TCST) cannot be
used at the same time.
Block diagram of tracing control
A block diagram of the tracing control system is shown below.
Controlled axes
For facing machines
Z axis (The third axis is fixed.)
For three-dimensional machining machines
W and Z axes (The sixth and third axes are fixed. They can be
switched by using the corresponding external signal or G13L_.)
Polarity
Configure the mechanical system so that the nozzle moves away from
the workpiece in response to a positive direction command, and
approaches the workpiece in response to a negative direction
command along the Z-axis and W-axis.