Programming A Simple Contour - HEIDENHAIN TNC 620 User Manual

Programming a simple contour

The contour shown to the right is to be milled once to a depth of
5 mm. You have already defined the workpiece blank. After you
have initiated a dialog through a function key, enter all the data
requested by the TNC in the screen header.
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
Preposition the tool in the working plane: Press
the orange X axis key and enter the value for the
position to be approached, e.g. –20
Press the orange Y axis key and enter the value for
the position to be approached, e.g. –20. 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 the
END key: The TNC saves the entered positioning
block
Move the tool to workpiece depth: Press the
orange axis key and enter the value for the
position to be approached, e.g. –5. Confirm with
the ENT key
Confirm Radius comp.: RL/RR/no comp? by
pressing the ENT key: Do not activate the radius
compensation
Feed rate F=? Enter the positioning feed rate, e.g.
3000 mm/min and confirm with the ENT 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
Move to the contour: Press the APPR/DEP key:
The TNC shows a soft-key row with approach and
departure functions
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Programming the first part
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