HEIDENHAIN TNC 620 Programming Station, User Manual

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First Steps with the TNC 620
1.3 Programming the first part
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
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 the entry
in each case 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: Press the CYCL DEF key
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