Siemens SINUMERIK 840D SL Operating Manual page 356

Programming technological functions (cycles)
8.2 Milling
Parameter Description
Selection – (not Selection of table value: e.g.
for table "without")
M3; M10; etc. (ISO metric)
•
W3/4"; etc. (Whitworth BSW)
•
G3/4"; etc. (Whitworth BSP)
•
N1" - 8 UNC; etc. (UNC)
•
P Display of the thread pitch for the parameter input in the input field "Table" and
"Selection".
P Pitch ...
- (selection
in MODULUS: For instance, used for worms that mesh with a gearwheel.
•
option only for
per inch: Used with pipe threads, for example.
•
table selection
"without")
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.
• in mm/rev
in inch/rev
•
The tool used depends on the thread pitch.
∅ Nominal diameter
Example: Nominal diameter of M12 = 12 mm
H1 Thread depth
αS Starting angle
rev Finishing allowance in X and Y - (only for ∇)
* Unit of feedrate as programmed before the cycle call
356
Operating Manual, 02/2012, 6FC5398-7CP40-3BA0
Unit
MODULUS
Turns/"
mm/rev
inch/rev
MODUL
Turns/"
mm/rev
in/rev
mm
mm
Degrees
mm
Milling