Siemens SINUMERIK 840D sl Operating Manual page 315

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Parameter
Description
SP
Soft section
● Yes
First cut with feedrate FS
● No
First cut with drilling feedrate
ZS1
Depth of each first cut with constant first cut feedrate FS (inc)
(only "Yes" for
soft first cut)
ZS2
Depth of each first cut for feedrate increase (inc)
(only "Yes" for
soft first cut)
FS
First cut feedrate in percent of the drilling feedrate
(only "Yes" for
First cut feedrate (ShopTurn)
soft first cut)
First cut feedrate (G code)
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")
FD - (only for
Feedrate for through drilling referred to drilling feed rate F
through drilling
Feedrate for through drilling (ShopTurn)
"yes")
Feedrate for through drilling (G code)
Coolant off -
M function to switch off the coolant
(only G code)
Hidden parameters
The following parameters are hidden. They are pre-assigned fixed values or values that can
be adjusted using setting data.
Parameter
Description
PL (only for G code) Machining plane
SC (only for G
Safety clearance
code)
Drilling depth
Drilling depth referred to the shaft or tip
Entrance to the hole Technology at the entrance to the hole
ZA
Predrilling depth (inc)
FA
Predrilling feed
Turning
Operating Manual, 05/2017, A5E40868721
Spindle position during approach (spindle off)
Programming technology functions (cycles)
Value
Can be set in SD
Defined in MD
52005
1 mm
Tip
With pilot hole
1mm
50 %
10.1 Drilling
Unit
Degrees
mm
mm
%
mm/min or mm/rev
distance/min or dis‐
tance/rev
mm
%
mm/min or mm/rev
distance/min or dis‐
tance/rev
x
315

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