Siemens SINUMERIK 840DE Operation & Programming Manual page 204

12
Examples
12.4 Example 4: External machining with thread undercut and groove
Result
8. Longitudinal thread
M12x1.75 (roughing)
12-204
Groove width
Groove depth
Flank angle
Radius
Infeed depth 1st cut
Finishing allowance
Tool edge width
Number of grooves
• Press soft key
• Call
CYCLE mode and press the
keys
• Set parameters:
T4 P: 1.75 mm/rev
External
Reference point
Longitudinal thread
Thread run-in (2*F)
Thread run-out
Thread depth
Helix angle
Number of cuts
Insertion depth
Finishing allowance
Return distance
Starting angle offset
• Press soft key
B1: 6 inc
T1: 3 inc
α α α α 1: 5 α α α α 2: 5
R1: 1 R2: 0
D: 0
U: 0.0
BS: 3
N: 1
Thread
G:0 S: 500 rev/min
Linear
X0: 16 Z0: 0
Z1: -19
W: 10
R: 0
K: 1.1
α α α α : 29
AS: 14
E: 0.24
U: 0
V: 2
Q: 0
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition
12
08.02
R3: 0 R4: 1
Longitud.
soft
thread