Siemens SINUMERIK 840D sl Operating Manual page 276

Creating a ShopTurn program
7.18 Example: Standard machining
10. Longitudinal threads M48 x2 (roughing)
276
1. Press the "Turning", "Thread" and "Thread longitudinal" softkeys.
The "Longitudinal thread" entry field opens.
2. Enter the following parameters:
T
Table
P
G
S
Machining type
Infeed: Constant cutting
cross-section
Thread
X0
Z0
Z1
LW
LR
H1
αP
Infeed
ND
U
VR
Multiple threads
α0
3. Press the "Accept" softkey.
Threading tool_2
without
2mm/rev
0
995rev/min
Roughing (∇)
Diminishing
External thread
48abs
0abs
-25abs
4inc
4inc
1.227inc
30Degrees
5
0.150inc
1inc
No
0Degrees
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
D1
Turning