Siemens Sinumerik 840D Operating Turning page 17

Boring
R Radius
RP Retraction plane (abs)
Retraction
(only for machining with "Chip breaking")
retraction amount
manually
automatically
SC
Safety gap (inc)
SDE
Direction of rotation after end of cycle
S / V Spindle speed or
constant cutting speed
SPOS
Spindle stop position
SR
Spindle speed for retraction
Pitch
User entry of the input
(only for ma-
chining with-
active feed,
out encoder)
pitch is derived from the feed rate
T Tool name
Table Selection of the thread table:
without
ISO metric
Whitworth BSW
Whitworth BSP
UNC
V1 Minimum infeed depth
V2 Retraction amount (only for retraction "manually")
(Tapping)
Amount, by which the tap is retracted for chip
breaking.
V2 = automatical: The tool retracts by one revolu-
tion.
V2 Retraction amount after each machining opera-
(drilling) tion (only for machining "chip breaking")
V3 Pre-stopping distance
(only for pre-stopping distance "manually")
840D/828D SINUMERIK Operate
Unit
mm
mm
revs/min
m/min
Degrees
revs/min
mm
mm
mm
mm
Page 15
Section 4
Notes
B500
B500