Siemens SINUMERIK 840D sl Turning Operating Manual page 377

Parameter Description
Pitch - (only ma‐ ● User input
chining without
Pitch is obtained from the input
encoder)
● Active feedrate
Pitch is obtained from the feedrate
(only for G code)
Thread Direction of rotation of the thread
(only for G code)
● Right-hand thread
● Left-hand thread
(only in mode "without compensating chuck")
Table Thread table selection:
● without
● ISO metric
● Whitworth BSW
● Whitworth BSP
● UNC
Selection Selection of table value: e.g.
● M3; M10; etc. (ISO metric)
● W3/4"; etc. (Whitworth BSW)
● G3/4"; etc. (Whitworth BSP)
● 1" - 8 UNC; etc. (UNC)
P Pitch ...
- (selection
● in MODULUS: MODULUS = Pitch/π
only possible for
● in turns per inch: Used with pipe threads, for example.
table selection
When entered per inch, enter the integer number in front of the decimal point in the
"without")
first parameter field and the figures after the decimal point as a fraction in the second
and third field.
● in mm/rev
● in inch/rev
The pitch is determined by the tool used.
αS Starting angle offset - (only for tapping without compensating chuck)
(only for G code)
S Spindle speed - (only for tapping without compensating chuck)
(only for G code)
Machining (not in The following machining operations can be selected:
the "with compen‐
● 1 cut
sating chuck"
The thread is drilled in one cut without interruption.
mode)
● Chipbreaking
The drill is retracted by the retraction amount V2 for chipbreaking.
● Swarf removal
The drill is retracted from the workpiece for swarf removal.
D Maximum depth infeed - (only when used without compensating chuck, swarf removal or
chipbreaking)
Turning
Operating Manual, 06/2019, A5E44903486B AB
Programming technology functions (cycles)
10.1 Drilling
Unit
MODULUS
Turns/"
mm/rev
in/rev
Degrees
rev/min
mm
377