Preset In One Axis (Cycle 419, Din/Iso: G419); Cycle Run; Please Note While Programming - HEIDENHAIN TNC 640 User Manual

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Touch Probe Cycles: Automatic Presetting | PRESET IN ONE AXIS (Cycle 419, DIN/ISO: G419)

15.13 PRESET IN ONE AXIS (Cycle 419, DIN/

Touch Probe Cycle 419 measures any coordinate in any axis

and defines it as preset. If desired, the TNC can also enter the

measured coordinate in a datum table or preset table.

1 Following the positioning logic, the TNC positions the touch

probe at rapid traverse (value from FMAX column) (See

"Executing touch probe cycles", page 497) to the programmed

touch point 1. The TNC offsets the touch probe by the safety

clearance in the direction opposite the programmed probing

2 Then the touch probe moves to the programmed measuring

height and measures the actual position with a simple probing

3 Finally the TNC returns the touch probe to the clearance height

and processes the determined preset depending on the cycle

parameters Q303 and Q305 (See "Characteristics common to all

touch probe cycles for presetting", page 528).

Danger of collision!

Cycles for coordinate transformation must not be active during

execution of the touch probe cycles.

Do not activate the following cycles before using touch probe

cycles: Cycle 7 DATUM SHIFT,Cycle 8 MIRROR IMAGE, Cycle

10 ROTATION,Cycle 11 SCALING and 26 AXIS-SPECIFIC

Reset any coordinate transformations beforehand

Before a cycle definition you must have programmed a

tool call to define the touch probe axis.

If you want to save the preset of several axes in the

preset table, you can use Cycle 419 several times in a

row. However, you also have to reactivate the preset

number after every run of Cycle 419. If you work with

preset 0 as active preset, this process is not required.

HEIDENHAIN | User's manual for cycle programming | 10/2017