HEIDENHAIN TNC 320 (340 55x-04) Cycle programming User Manual

Page 322

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322

Touch Probe Cycles: Automatic Datum Setting

15.4 D

A

TUM FR

OM INSIDE OF RECT

ANGLE (Cy

c

le 41

0, DIN/ISO: G41

0

)

U

Traversing to clearance height Q301: Definition of

how the touch probe is to move between the
measuring points:
0: Move at measuring height between measuring
points
1: Move at clearance height between measuring
points

U

Datum number in table Q305: Enter the number in

the datum/preset table in which the TNC is to save
the coordinates of the pocket center. If you enter
Q305=0, the TNC automatically sets the display so
that the new datum is at the center of the pocket.
Input range 0 to 2999

U

New datum for reference axis Q331 (absolute):

Coordinate in the reference axis at which the TNC
should set the pocket center. Default setting = 0.
Input range: –99999.9999 to 99999.9999

U

New datum for minor axis Q332 (absolute):

Coordinate in the minor axis at which the TNC should
set the pocket center. Default setting = 0. Input
range: –99999.9999 to 99999.9999

U

Measured-value transfer (0, 1) Q303: Specify

whether the determined datum is to be saved in the
datum table or in the preset table:
-1: Do not use. Is entered by the TNC when old
programs are read in (see “Saving the calculated
datum” on page 312).
0: Write determined datum in the active datum table.
The reference system is the active workpiece
coordinate system.
1: Write determined datum in the preset table. The
reference system is the machine coordinate system
(REF system).

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