Siemens SINUMERIK 840DE Operation & Programming Manual page 92

5
Turning with Cycles
5.2 Turning cycles in CYCLE mode
Position
Thread undercut, freely defined
X
X
Machining mode
+
P
X0, Z0
X1
Z1
R1, R2
α α α α
V
D
U
5-92
Explanation of parameters
Freely definable thread undercut:
This setting determines the position of the undercut in the coordinate
system.
Z Z
X
X
Z Z
X
X
Select one of the following machining modes
Roughing
Finishing
Complete machining (roughing and finishing)
Lead in mm/rev: selection for DIN table (only for thread undercut
DIN 76), e.g. 0.2
With other undercuts, enter the lead via parameter F.
Reference points for dimensioning
Undercut depth
Undercut width
Radius 1, radius 2 (only for freely definable thread undercut)
Approach angle
Cross-feed X
Infeed
Finishing allowance
Thread undercut acc. to DIN:
Thread undercut acc. to DIN 76
External thread
Z
Z
X
Z Z
X
SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition
08.02
Internal thread
Z
X
X
Z
X
X
© Siemens AG, 2002. All rights reserved
5
Z
Z