Siemens SINUMERIK 828D Operating Manual page 580

Programming technology functions (cycles)
9.7 Additional cycles and functions in ShopTurn
Parameters
Selection
P
- (selection
only possible for table
selection "without")
S / V
SR
VR
Machining
Z0
Z1
D
Retraction
V2
580
Description
Selection, table value:
M1 - M68 (ISO metric)
•
W3/4"; etc. (Whitworth BSW)
•
G3/4"; etc. (Whitworth BSP)
•
1" - 8 UNC; etc. (UNC)
•
Pitch ...
in MODULUS: MODULUS = Pitch/π
•
in mm/rev
•
in inch/rev
•
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.
Spindle speed or
constant cutting rate
Spindle speed for retraction
Constant cutting rate for retraction
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.
Reference point Z)
End point of the thread (abs) or thread length (inc)
Maximum depth infeed - (for stock removal or chipbreaking only)
- (only for "chipbreaking" operation)
Retraction distance
Manual
•
Automatic
•
Retraction distance (only for "manual" retraction)
Distance through which the tap is retracted for chipbreaking.
V2 = automatic: The tool is retracted by one revolution.
Operating Manual, 01/2015, 6FC5398-8CP40-5BA2
Unit
MODULUS
mm/rev
in/rev
turns/"
rpm
m/min
rev/min
m/min
mm
mm
mm
mm
Turning