Siemens SINUMERIK 840D sl Operation/Programming Manual page 178

ShopTurn Functions
5
5.2 Drilling
Cut
thread
Parameters
T, D, F, S, V
Position
Machining
type
Direction
Internal thread
External thread
Left-hand thread
Right-hand
thread
NT
Z1
X1
¬
P
K
DXY
5-178
Press the "Drilling", "Thread" and "Cut thread" soft keys.
Thread >
See Sec. "Creating program blocks".
Select from 6 different positions:

End face/End face C – Front

End face/End face C – Rear

End face Y – Front (only when Y axis exists)

End face Y – Rear (only when Y axis exists)

Peripheral surface Y – inner (only when Y axis exists)

Peripheral surface Y – Rear (only when Y axis exists)
Clamp/release spindle (for End face Y/Peripheral surface Y only)
The function must be set up by the machine manufacturer.
Roughing
Finishing
Depending on the rotational direction of the spindle, a change in direction also
changes the machining direction (climb/conventional).
Z0 to Z1: Machining starts at workpiece surface Z0
(only for end face/end face C and end face Y)
Z1 to Z0: Machining starts at the thread depth
(only for end face/end face C and end face Y)
X0 to X1: Machining starts at workpiece surface X0 (only for peripheral surface Y)
X1 to X0: Machining starts at the thread depth (only for peripheral surface Y)
Inside thread
Outside threads
Left-hand thread
Right-hand thread
Number of teeth in a milling insert.
Single or multiple toothed milling inserts can be used. The motions required are
executed by the cycle internally, so that the tip of the bottom tooth on the milling
insert corresponds to the programmed end position when the thread end position
is reached. Depending on the cutting edge geometry of the milling insert, the
retraction path must be taken into account at the base of the workpiece.
Thread length (abs. or inc.) – (only for end face/end face C and end face Y)
Thread length (abs. or inc.) – (only for peripheral surface Y)
Nominal thread diameter, example: nominal thread diameter of M12=12mm
Pitch
If the cutter has several teeth, the thread pitch is determined by the tool.
Thread depth
Infeed per cut (for roughing only) – (only for end face/end face C and end face Y)
Plane infeed in %: Ratio of plane infeed (mm) to milling cutter diameter (mm)
Description
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
08/2005
5
Unit
mm
mm
mm
mm/rev
in/rev
Turns / "
MODULE
mm
mm
%
♥ Siemens AG, 2005. All rights reserved