Creating A Cycle Program - HEIDENHAIN TNC 620 User Manual

1
First Steps with the TNC 620
1.3 Programming the first part

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 each of
your entries with the ENT key. Do not forget the
tool axis
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 TNC saves the entered positioning block
Call the cycle menu
Display the drilling cycles
Select the standard drilling cycle 200: The TNC
starts the dialog for cycle definition. Enter all
parameters requested by the TNC step by step
and conclude each entry with the ENT key. In the
screen to the right, the TNC also displays a graphic
showing the respective cycle parameter
Call the menu for special functions
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
Display the menu for defining the cycle call
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. Confirm with the END key:
The TNC saves the entered positioning block
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015