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Creating a cycle program – HEIDENHAIN TNC 620 (81760x-02) User Manual

Page 58

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First steps with the TNC 620

1.3

Programming the first part

1

58

TNC 620 | User's Manual

HEIDENHAIN Conversational Programming | 2/2015

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