Siemens SINUMERIK 840D sl Operation/Programming Manual page 202

ShopTurn Functions
5
5.3 Turning
Undercut
thread DIN
-or-
Parameters
T, D, F, S, V See Sec. "Creating program blocks".
Machining
type
Position Position of thread undercut:
P Select the pitch from the preset DIN table or enter – (for "Thread undercut DIN" only) mm/rev
Reference point ¬ (abs)
X0
Z0 Reference point (abs)
Allowance in X direction ¬ (abs) or
X1
Allowance in X direction (inc) – (for "Thread undercut" only)
Z1 Allowance in Z direction (abs or inc) – (for "Thread undercut" only)
R1, R2 Radius1, Radius2 (inc) – (for "Thread undercut" only)
α
Plunge angle
Cross-feed X ¬ (abs) or cross-feed X (inc)
V
D Infeed (inc) – (for roughing only)
U Contour-parallel finishing allowance in X and Z direction (inc) – (roughing only) –
(alternative to UX and UZ)
UX Finishing allowance in X direction (inc) – (roughing only) – (alternative to U)
UZ Finishing allowance in Z direction (inc) – (roughing only) – (alternative to U)
5-202
Press the "Turning" and "Undercut" soft keys.
Undercut >
Press the "Undercut thread DIN" or "Undercut thread" soft key.
Undercut
thread
Roughing
Finishing
+ Complete machining
Description
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
08/2005
5
Unit
mm
mm
mm
mm
mm
Degrees
mm
mm
mm
mm
mm
♥ Siemens AG, 2005. All rights reserved.