Siemens SINUMERIK 840D sl Operating Manual page 289

Parameter Description
Pitch - (only
User input
•
machining without
Pitch results from the input
encoder)
Active feedrate
•
(only for G code)
Pitch results 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
•
option only for
in turns 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 pitch is determined by the tool used.
αS Starting angle offset - (for rigid tapping only)
(only for G code)
S Spindle speed - (for rigid tapping only)
(only for G code)
Machining The following machining operations can be selected:
1 cut
•
(not for G code
The thread is drilled in one cut without stopping
"with
Chipbreaking
•
compensating
chuck")
The drill is retracted by the retraction amount V2 for chipbreaking.
Stock removal
•
The drill is retracted from the workpiece for stock removal.
Milling
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
Programming technological functions (cycles)
8.1 Drilling
Unit
MODULUS
Turns/"
mm/rev
in/rev
Degrees
rev/min
289