Siemens SINUMERIK 840D sl Operating Manual page 514

Programming technology functions (cycles)
8.7 Additional cycles and functions in ShopTurn
Straight line with selected radius
compensation
If you want to prevent deviation from the programmed path, you can program the first
straight line with radius compensation or with deactivated radius compensation outside the
workpiece. Programming without coordinate data is not possible.
Procedure
514
1. The ShopTurn program to be processed has been created and you are
in the editor.
2. Press the menu forward key and the "Straight Circle" softkey.
3. Press the "Polar" and "Straight Polar" softkeys.
4. Press the "Rapid traverse" softkey if you want to use rapid traverse
instead of a programmed machining feedrate.
Straight line with deselected radius
compensation
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Turning