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Siemens SINUMERIK 840D sl Turning - Page 372

Siemens SINUMERIK 840D sl Turning
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Hidden parameters
The following parameters are hidden. They are pre-assigned fixed values or values that can be
adjusted using setting data.
Parameter Description Value Can be set in SD
PL (only for G code) Machining plane Defined in MD
52005
SC (only for G
code)
Safety clearance 1 mm x
Drilling depth Drilling depth referred to the shaft or tip Tip
Entrance to the hole Technology at the entrance to the hole With pilot hole
ZA Predrilling depth (inc) 1mm
FA Predrilling feed 50 %
Drilling
interruption
1 cut
Chipbreaking
Swarf removal
Chipbreaking and swarf removal
D 1st drilling depth referred to Z0 (inc.) 10 mm
FD1 Percentage for the feedrate for the first infeed
DF Percentage for the feedrate for each additional infeed
Infeed increment is continually reduced in the direction of final
drilling depth
90 %
V1 Minimum infeed
V1 < Infeed increment: The tool is inserted by the infeed in‐
crement
V1 > Infeed increment: The tool is inserted by the infeed value
programmed under V1.
2 mm
V2 Retraction distance after each machining step 1 mm
Clearance distance The clearance distance is calculated by the cycle. Automatic
DTB Dwell time at each drilling depth 0.6 s
N - (only for "chip‐
breaking and swarf
removal")
Number of chipbreaking strokes before each swarf removal
operation
1
Retraction for swarf
removal
Swarf removal at the pilot hole depth or safety clearance Safety clear‐
ance
DTS Dwell time for swarf removal in seconds 0.6 s
DT - (only for
through drilling
"no")
Dwell time at final depth in seconds 0.6 s
Retraction Retraction to pilot hole depth or retraction plane Pilot hole
depth
FR Retraction in rapid traverse
Programming technology functions (cycles)
10.1 Drilling
Turning
372 Operating Manual, 06/2019, A5E44903486B AB

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