Siemens SINUMERIK 828D - Page 580

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