Siemens SINUMERIK 840D sl Operating Manual page 294

Programming technology functions (cycles)
10.1 Drilling
Parameter Description
Position ● At the front (face)
(only for Shop‐
● At the rear (face)
Turn)
● Outside (peripheral surface)
● Inside (peripheral surface)
Clamp/release spindle
The function must be set up by the machine manufacturer.
(only for Shop‐
Turn)
Drilling depth ● Shank (drilling depth in relation to the shank)
The drill is inserted into the workpiece until the drill shank reaches the value
programmed for Z1. The angle entered in the tool list is taken into account.
● Tip (drilling depth in relation to the tip)
The drill is inserted into the workpiece until the drill tip reaches the value programmed
for Z1.
Note: If it is not possible to define an angle for the drill in the tool management, it will not
be possible to select tip or shank (always tip, 0 field)
Z1 Drilling depth (abs) or drilling depth in relation to Z0 (inc)
It is inserted into the workpiece until it reaches Z1.
Predrilling
● Yes
● No
ZA - (only for pre‐ Predrilling depth (abs) or predrilling depth in relation to the reference point (inc)
drilling "yes")
FA - (only for pre‐ Reduced predrilling feedrate as a percentage of the drilling feedrate
drilling "yes")
Predrilling feedrate (ShopMill)
Predrilling feedrate (G code)
Through drilling
● Yes
Through drilling with feedrate FD
● No
ZD - (only for Depth for feedrate reduction (abs) or depth for feedrate reduction in relation to Z1 (inc)
through drilling
"yes")
294
Unit
mm
mm
%
mm/min or
mm/rev
Distance/
min or dis‐
tance/rev
mm
Operating Manual, 05/2017, A5E40868721
Turning