HEIDENHAIN TNC 640, User Manual, Page: 75 / 948

First Steps with the TNC 640 | Programming the first part
1
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
75
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 control 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
Z
tool axis
Retracting tool: Press the orange axis key
Z
and
enter the value for the position to be approached,
e.g. 250. Press the
ENT
key
Confirm
Tool radius comp: RL/RR/no comp?
with the
ENT
key: Do not activate radius
compensation
Confirm
Feed F=?
with the
ENT
key: Rapid
traverse (
FMAX
)
Enter
Miscellaneous function M?
and confirm
with the
END
key
The control stores 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 axis key
Y
and enter the value
for the position to be approached, e.g. -20. Press
the
ENT
key
Confirm
Tool radius comp: RL/RR/no comp?
with the
ENT
key: Do not activate radius
compensation
Confirm
Feed F=?
with the
ENT
key: Rapid
traverse (
FMAX
)
Confirm
Miscellaneous function M?
with the
END
key
The control stores the entered positioning block.
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
Confirm
Tool radius comp: RL/RR/no comp?
with the
ENT
key: Do not activate radius
compensation
Feed rate F=?
Enter the positioning feed rate,
e.g. 3000 mm/min, confirm with the
ENT
key
Miscellaneous function M?
Switch on the
spindle and coolant, e.g.
M13
, and confirm with
the
END
key
The control stores the entered positioning block.
Move to the contour: Press the
APPR DEP
key
The control displays a soft-key row with approach
and departure functions.