Siemens SINUMERIK 840D sl Operating Manual page 341

Parameter Description
Machining
● Single position
position
Drill hole at programmed position.
(only for G
● Position pattern with MCALL
code)
Z0 (only for G Reference point Z
code)
Z1 Final drilling depth (abs) or final drilling depth in relation to Z0 (inc)
It is inserted into the workpiece until it reaches Z1.
Coolant on - M function to switch on the coolant
(only G code)
ZP Depth of the pilot hole as a factor of the bore diameter
Depth of the pilot hole in relation to Z0 (inc) or depth of the pilot hole (abs)
FP First cut feedrate as a percentage of the drilling feedrate - (only for pilot hole)
First cut feedrate (ShopMill)
First cut feedrate (G code)
SP
(only for pilot
hole)
Soft first cut
● Yes
Soft first cut with feedrate FS
● No
First cut with drilling feedrate
ZS1 - (only "Yes" First cut depth (abs) or depth of the first cut with constant first cut feedrate FS (ink)
for soft first cut)
ZS2 - (only "Yes" First cut depth (abs) or depth of each cut for the feedrate increase (ink)
for soft first cut)
FS First cut feedrate as a percentage of the drilling feedrate
Through drilling
● Yes
Through drilling with feedrate FD
● No
ZD - (only for Depth for through drilling feedrate (abs) or depth for through drilling feedrate in rela‐
through drilling tion to Z1 (inc)
"yes")
Milling
Operating Manual, 05/2017, A5E40868956
Spindle position during approach (spindle off)
Programming technological functions (cycles)
10.1 Drilling
Unit
mm
* Ø
mm
%
mm/rev or mm/min
distance/min or
distance/rev
Degrees
mm
mm
%
mm/min or mm/
rev.
distance/min or
distance/rev
mm
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