Heidenhain TNC 620 (34056x-04) Cycle programming Instrukcja Użytkownika Pobierz pdf (Strona 274)

100

101

Using Touch Probe Cycles

13.1 General information about touch probe cycles

274

TNC 620 | User's Manual Cycle Programming | 5/2013

13.1 General information about touch probe

cycles

HEIDENHAIN only gives warranty for the function of

the probing cycles if HEIDENHAIN touch probes are

used.

The TNC must be specially prepared by the machine

tool builder for the use of a 3-D touch probe.

Refer to your machine manual.

Method of function

Whenever the TNC runs a touch probe cycle, the 3-D touch probe

approaches the workpiece in one linear axis. This is also true

during an active basic rotation or with a tilted working plane. The

machine tool builder determines the probing feed rate in a machine

parameter (see "Before You Start Working with Touch Probe Cycles"

later in this chapter).

When the probe stylus contacts the workpiece,

the 3-D touch probe transmits a signal to the TNC: the

coordinates of the probed position are stored,

the touch probe stops moving, and

returns to its starting position at rapid traverse.

If the stylus is not deflected within a defined distance, the TNC

displays an error message (distance: DIST from touch probe table).

Consideration of a basic rotation in the Manual

Operation mode

During probing the TNC considers an active basic rotation and

approaches the workpiece at an angle.

Cycles in the Manual and El. Handwheel modes

In the Manual Operation and El. Handwheel modes, the TNC

provides touch probe cycles that allow you to:

Calibrate the touch probe

Compensating workpiece misalignment

Setting datums

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