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Creating a cycle program – HEIDENHAIN TNC 640 (34059x-02) User Manual

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First Steps with the TNC 640

1.3

Programming the first part

1

56

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 5/2013

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 the tool: Press the orange axis key Z in
order to get clear in the tool axis, and enter the
value for the position to be approached, e.g. 250.
Confirm with the ENT key

Confirm

Radius comp.: RL/RR/no comp? by

pressing the ENT key: Do not activate the radius
compensation

Confirm

Feed rate F=? with the ENT key: Move at

rapid traverse (

FMAX)

Confirm the

Miscellaneous function M? with

theEND 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