HEIDENHAIN SW 54843x-02 DIN Programming - Manual (Page 428)

428 Touch probe cycles
5.1 Gener
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5.1 General information on touch
probe cycles (software option)
Principle of function of touch probe cycles
When you run a touch probe cycle, the 3-D touch probe is pre-
positioned at positioning feed rate. The actual probing movement is
then executed from there at probing feed rate. The machine tool
builder determines the positioning feed rate for the touch probe in a
machine parameter. You define the probing feed rate in the respective
touch probe cycle.
When the probe stylus contacts the workpiece,
 the 3-D touch probe transmits a signal to the control: the
coordinates of the probed position are stored,
 the touch probe stops moving, and
 returns to the starting position of the probing procedure at
positioning feed rate.
If the stylus is not deflected within a defined distance, the control
displays an error message.
The control must be specially prepared by the machine
tool builder for the use of a 3-D touch probe. The machine
manual provides further information.
Please note that HEIDENHAIN grants a warranty for the
function of the touch probe cycles only if HEIDENHAIN
touch probes are used!