Siemens SINUMERIK 840D sl Turning Operating Manual page 380

Programming technology functions (cycles)
10.1 Drilling
Parameter Description
P Pitch ...
● in MODULUS: MODULUS = Pitch/π
● in turns per inch: Used with pipe threads, for example.
● in mm/rev
● in inch/rev
The pitch is determined by the tool being used
S Spindle speed - (only for tapping without compensating chuck)
Machining (not The following machining operations can be selected:
for "with compen‐
● 1 cut
sating chuck")
● Chipbreaking
● Swarf removal
D Maximum depth infeed - (only for tapping without compensating chuck, swarf removal or
chipbreaking)
SR Spindle speed for retraction - (only for "without compensating chuck")
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 Machining plane
SC Safety clearance
Table Thread table selection
αS Starting angle offset
Retraction Without retraction distance after each machining step - (for
chip breaking only)
DT Dwell time at final drilling depth
SDE Direction of rotation after end of cycle
380
When entered per inch, enter the integer number in front of the decimal point in the
first parameter field and the figures after the decimal point as a fraction in the second
and third field.
The thread is drilled in one cut without interruption.
The drill is retracted by the retraction amount V2 for chipbreaking.
The drill is retracted from the workpiece for swarf removal.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Value Can be set in SD
Defined in MD
52005
1 mm
without
0°
Automatic
0.6 s
Operating Manual, 06/2019, A5E44903486B AB
MODULUS
Turns/"
mm/rev
in/rev
mm
rev/min
x
x
Turning