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Creating a cycle program – HEIDENHAIN TNC 320 (77185x-01) User Manual

Page 52

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First Steps with the TNC 320

1.3

Programming the first part

1

52

TNC 320 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

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

Z axis key in

order to get clear in the tool axis, and enter the

value for the position to be approached, e.g. 250.
Press the

ENT key

Radius comp.: Confirm RL/RR/no comp? with the

ENT key: Activate no radius compensation
Confirm

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

rapid traverse (

FMAX)

Confirm

Miscellaneous function F=? with the END

key: The TNC stores the entered positioning block
Call the cycle menu

Display the drilling cycles

Select 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 and confirm with the END

key: The TNC stores the entered positioning block