Heidenhain TNC 620 (34056x-04) Cycle programming Manual de usuario descargar pdf (Pagina 364)

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101

Touch Probe Cycles: Automatic Workpiece Inspection

16.4 MEASURE ANGLE (Cycle 420, DIN/ISO: G420, software option 17)

364

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

16.4 MEASURE ANGLE (Cycle 420, DIN/ISO:

G420, software option 17)

Cycle run

Touch Probe Cycle 420 measures the angle that any straight

surface on the workpiece describes with respect to the reference

axis of the working plane.

1 The TNC positions the touch probe at rapid traverse (value from

FMAX column) following the positioning logic (See "Executing

touch probe cycles", page 280) to the starting point 1. The TNC

offsets the touch probe by the safety clearance in the direction

opposite to the defined traverse direction.

2 Then the touch probe moves to the entered measuring height

and runs the first probing process at the probing feed rate

(column F).

3 Then the touch probe moves to the next starting position 2 and

from there probes the second position.

4 The TNC returns the touch probe to the clearance height and

saves the measured angle in the following Q parameter:

Parameter number Meaning

Q150 The measured angle is referenced to

the reference axis of the machining

plane.

Please note while programming:

Before a cycle definition you must have programmed

a tool call to define the touch probe axis.

If touch probe axis = measuring axis, set Q263

equal to Q265 if the angle about the A axis is to be

measured; set Q263 not equal to Q265 if the angle is

to be measured about the B axis.

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