Siemens Sinumerik 840D Operating Turning page 14

Section 4
Notes
B500
B500
Boring
C0 Polar co-ordinates of the 1st location, with
(Locations) the selection "polar"
longitudinal (abs)
angle (abs)
C1...C7 Polar co-ordinates of further locations, with
(Locations) the selection "polar"
longitudinal (abs)
angle (abs)
Drilling continues until the diameter has been
Ø
reached (only with centring)
Ø
Nominal diameter
(internal
thread
milling)
D Cutting edge number
maximum depth infeed
D
(only with chip clearing or chip breaking)
D Lift-off amount (inc) (only for lifting, SN)
(Boring)
DF
Percentage for all further infeeds
or
amount for every further infeed
DIR
Direction of rotation
counter-clockwise (CCW)
clockwise (CW)
DT
Dwell at final drilling depth in seconds
Dwell at final drilling depth in revs
DTB
Dwell at drilling depth in seconds
Dwell at drilling depth in revs
DTS
Dwell at the start point for chip clearing
in seconds (only for chip clearing)
Dwell at the starting point for chip clearing
in revs (only for chip clearing)
Page 12
Unit
mm
Degrees
mm
Degrees
mm
mm
mm
%
mm
s
revs
s
revs
s
revs
840D/828D SINUMERIK Operate