Siemens sinumerik 840D sl Operating Manual page 289

Procedure
Parameters, G code program
(undercut, thread DIN)
PL Machining plane
SC Safety clearance
F Feedrate
Parameters
Machining
Position
Machining
direction
Form
P
X0
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
1. The part program or ShopTurn program to be processed has been
created and you are in the editor.
2. Press the "Turning" softkey.
3. Press the "Undercut" softkey.
4. Press the "Thread undercut DIN" softkey.
The "Thread Undercut (DIN 76)" input window opens.
- OR -
Press the "Thread undercut" softkey.
The "Thread Undercut" input window opens.
mm
mm/min
Description
∇ (roughing)

∇∇∇ (finishing)

∇ + ∇∇∇ (roughing and finishing)

Machining position:
Longitudinal

Parallel to the contour

Normal (form A)

Short (form B)

Thread pitch (select from the preset DIN table or enter)
Reference point X ∅
Programming technology functions (cycles)
Parameters, ShopTurn program
(undercut, thread DIN)
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
8.2 Rotate
mm/min
mm/rev
rpm
m/min
Unit
mm/rev
mm
289