HEIDENHAIN TNC 640, User Manual, Page: 78 / 948

First Steps with the TNC 640 | Programming the first part
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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
Press the
L
key to open an NC block for a linear
movement
Retract tool: Press the orange axis key
Z
and
enter the value for the position to be approached,
e.g. 250. Press the
ENT
key
Confirm
Radius comp.: RL/RR/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