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12
08.02
12.3 Example 3: External machining with thread undercuts and grooves
Result:
7.
Groove with tapers/radii
(roughing)
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition
Position: Set cutting position
+
Thread lead
Reference point
Plunge angle
Cross-feed in X
Infeed
Finishing allowance
• Press soft key
• Call
STOCK REMOVAL mode and press the
• Set parameters:
T3
Set position and reference point
Reference point
Groove width
Groove depth
Flank angle
Radius
Infeed depth 1st cut
Finishing allowance
Tool edge width
Number of grooves
Groove offset
• Press soft key
External
P: 1.75 mm/rev
X0: 40
Z0: -40
α α α α : 30
V: 40
D: 1 inc
U: 0.1 inc
F: 0.12 mm/rev
S: 180 m/min
X0: 60
Z0: -60
B1: 4 inc
T1: 3 inc
α α α α 1: 15
α α α α 2: 15
R1: 0.5
R2: 0
R3: 0
D: 0
U: 0.1
BS: 3
N: 2
P: 10 inc
12
Examples
soft key
R4: 0.5
12-197

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