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Fundamentals 15.1 – HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual

Page 473

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Fundamentals 15.1

15

TNC 640 | User's Manual Cycle Programming | 1/2015

473

This combination can only occur if you

read in programs containing Cycles 410 to 418
created on a TNC 4xx

read in programs containing Cycles 410 to 418
created with an older software version on an iTNC
530

did not specifically define the measured-value
transfer with parameter Q303 when defining the
cycle.

In these cases the TNC outputs an error message,
since the complete handling of REF-referenced
datum tables has changed. You must define a
measured-value transfer yourself with parameter
Q303.

Q305 not equal to 0, Q303 = 0

The TNC writes the calculated

reference point in the active datum table. The reference
system is the active workpiece coordinate system. The value of
parameter Q305 determines the datum number.

Activate the

datum with Cycle 7 in the part program.

Q305 not equal to 0, Q303 = 1

The TNC writes the calculated

reference point in the preset table. The reference system is
the machine coordinate system (REF coordinates). The value of
parameter Q305 determines the preset number.

Activate the

preset with Cycle 247 in the part program.

Measurement results in Q parameters

The TNC saves the measurement results of the respective touch
probe cycle in the globally effective Q parameters Q150 to Q160.
You can use these parameters in your program. Note the table of
result parameters listed with every cycle description.