Siemens SINUMERIK 840D sl Operating Manual page 418

Programming technology functions (cycles)
10.3 Contour turning
Figure 10-12 Impermissible limit: Limit line XA is inside the contour of the blank
Feedrate interruption
To prevent the occurrence of excessively long chips during machining, you can program a
feedrate interruption.
Input simple
For simple machining operations, you have the option to reduce the wide variety of parameters
to the most important parameters using the "Input" selection field. In this "Input simple" mode,
the hidden parameters are allocated a fixed value that cannot be adjusted.
If the workpiece programming requires it, you can display and change all of the parameters
using "Input complete".
Machining type
You can freely select the machining type (roughing, finishing or complete machining).
For more detailed information, please refer to section "Stock removal".
Procedure
418
Machine manufacturer
Various defined values can be pre-assigned using setting data.
Please observe the information provided by the machine manufacturer.
1. The part program or ShopTurn program to be processed has been cre‐
ated and you are in the editor.
2. Press the "Contour turning" softkey.
3. Press the "Plunge turning" softkey.
The "Plunge turning" input window opens.
Operating Manual, 05/2017, A5E40868721
Turning