HEIDENHAIN TNC 128 (77184x-02) User Manual

Page 50

First Steps with the TNC 128

1.3

Programming the first part

TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014

Approach contour point

: Press the orange X axis

key and enter the value 5 for the position to be
approached
Tool radius comp: R+/R-/no comp? Select the R–
soft key: The traverse path is decreased by the
tool radius
Feed rate F=? Enter the machining feed rate, e.g.
700 mm/min, and confirm your entry with the
END key

Approach contour point

: Press the orange Y axis

key and enter the value 95 for the position to be
approached
Tool radius comp: R+/R-/no comp? Select the R+
soft key: The traverse path is increased by the tool
radius. Confirm your entry with the END key

Approach contour point

: Press the orange X axis

Approach contour point

: Press the orange Y axis

key and enter the value 5 for the position to be
approached
Tool radius comp: R+/R-/no comp? Select the R+
soft key: The traverse path is increased by the tool
radius. Confirm your entry with the END key

Approach contour point

and retract the tool:

Press the orange X axis key and enter the value 0
for the position to be approached
Tool radius comp: R+/R-/no comp? Select the R+
soft key: The traverse path is increased by the tool
radius. Confirm your entry with the END key

Retract the tool: Press the orange Z axis key in
order to retract 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.: R+/R–/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

)

Miscellaneous function M?

Enter

to end the

program and confirm with the END key: The TNC
saves the entered positioning block

Further information on this topic

Creating a new program: see "Opening and entering programs",
page 84

Programmable feed rates: see "Possible feed rate input",
page 88