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 the entry
in each case with the ENT key, and do not forget
the G17 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
Confirm Miscellaneous function M? with the END
key: The TNC saves the input positioning block
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
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 axis key Y and enter the value for
the position to be approached, e.g. -20. Confirm
your entry with the ENT key.
Activate no radius compensation: Press the G40
soft key
Confirm Miscellaneous function M? with the END
key: The TNC saves the input positioning block
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
Move tool to working depth: Press the orange axis
key Z and enter the value for the position to be
approached, e.g. -5. Press the ENT key
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Programming the first part
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