Creating A Cycle Program - HEIDENHAIN TNC 128 User Manual

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Creating a cycle program

The holes (depth of 20 mm) shown in the figure at right are to be
drilled with a standard drilling cycle. You have already defined the
workpiece blank.
Call the tool: Enter the tool data. Confirm the
entry in each case with the ENT key, do not
forget the tool axis
Retract tool: Press the orange axis key Z and
Z
enter the value for the position to be approached,
e.g. 250. Press the ENT key
Confirm Radius comp.: R+/R-/no comp.? by
pressing the ENT key: Do not activate radius
compensation
Confirm Feed rate F=? with the ENT key: Move
at rapid traverse (FMAX)
Miscellaneous function M? Confirm with the
END key
The control stores the entered positioning block.
Call the menu for special functions: Press the
SPEC FCT key
Display the functions for point machining
Select the pattern definition
Select point entry: Enter the coordinates of the 4
points and confirm each with the ENT key. After
entering the fourth point, save the block with the
END key
Call the cycle menu: Press the CYCL DEF key
Display the drilling cycles
Select standard drilling cycle 200
The control starts the dialog for cycle definition.
Enter all parameters requested by the control
step by step and conclude each entry with the
ENT key
In the screen to the right, the control also
displays a graphic showing the respective cycle
parameter
Display the menu for defining the cycle call:
Press the CYCL CALL key
Run the drilling cycle on the defined pattern:
Confirm Feed rate F=? with the ENT key: Move
at rapid traverse (FMAX)
Miscellaneous function M? Switch on the
spindle and coolant, e.g. M13, and confirm with
the END key
The control stores the entered positioning block.
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First Steps with the TNC 128 | Programming the first part
HEIDENHAIN | TNC 128 | Conversational Programming User's Manual | 10/2017