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

Page 56

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First steps with the TNC 620

1.3

Programming the first part

1

56

TNC 620 | User's ManualDIN/ISO 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
Press the

L key to open a program block for a

linear movement
Press the left arrow key to switch to the input

range for G codes

Press the

G00 soft key if you want to enter a rapid

traverse motion
Press the

G90 soft key for absolute values

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

Activate no radius compensation: Press the

G40

soft key
Miscellaneous function M? Switch on the spindle
and coolant, e.g.

M13. 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
Enter

0 to approach the first drilling position: Enter

the

coordinates of the drilling position, call the

cycle with

M99

Enter

0 to move to further drilling positions: Enter

the

coordinates of the specific drilling positions,

and call the cycle with

M99

Enter

0 to retract the tool: Press the orange axis

key

Z and enter the value for the position to be

approached, e.g. 250. Press the

ENT key

Miscellaneous function M? Enter M2 to end the
program and confirm with the

END key: The TNC

saves the entered positioning block

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