Siemens SINUMERIK 840D sl Operating Manual page 566

Programming technology functions (cycles)
10.7 Additional cycles and functions in ShopTurn
Parameters
T Tool name
D Cutting edge number
F Feedrate
Table Thread table selection:
● without
● ISO metric
● Whitworth BSW
● Whitworth BSP
● UNC
Selection Selection, table value:
● M1 - M68 (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 mm/rev
table selection
● in inch/rev
"without")
● in turns per inch: Used with pipe threads, for example.
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 pitch is determined by the tool used.
S / V Spindle speed or
constant cutting rate
SR Spindle speed for retraction
VR Constant cutting rate for retraction
Machining
● 1. Cut
The thread is drilled in one cut without interruption.
● Chipbreaking
The drill is retracted by the retraction distance V2 for chipbreaking.
● Stock removal
The drill is retracted from the workpiece for stock removal.
Z0 Reference point Z)
Z1 End point of the thread (abs) or thread length (inc)
D Maximum depth infeed - (for stock removal or chipbreaking only)
566
Description Unit
mm/min
mm/rev
MODULUS
mm/rev
in/rev
turns/"
rpm
m/min
rev/min
m/min
mm
mm
mm
Operating Manual, 05/2017, A5E40868721
Turning