Siemens SINUMERIK 840D sl Operating Manual page 348

Programming technological functions (cycles)
10.1 Drilling
Parameter Description
Machining - (with You can select the following technologies for tapping:
compensating
● With encoder
chuck)
Tapping with spindle encoder
● Without encoder
Tapping without spindle encoder - the following fields are displayed:
–
–
Note:
For ShopMill, the selection box is only displayed if tapping without encoder is enabled.
Please observe the information provided by your machine manufacturer.
SR (only for Shop‐ Spindle speed for retraction - (only for S)
Mill)
VR (only for Shop‐ Constant cutting rate for retraction (only for V)
Mill)
Pitch - (only ma‐
● User input
chining without
Pitch is obtained from the input
encoder)
● Active feedrate
(only for G code)
Pitch is obtained from the feedrate
Thread Direction of rotation of the thread
● Right-hand thread
(only for G code)
● 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.
348
Select the "pitch" parameter (only G code)
Enter parameter "DT" (only ShopMill)
Unit
rpm
m/min
MODULUS
Turns/"
mm/rev
in/rev
Operating Manual, 05/2017, A5E40868956
Milling