Siemens SINUMERIK 840D sl Operating Manual page 326

Programming technological functions (cycles)
10.1 Drilling
Parameter Description
FD - (only for Reduced feedrate for through drilling referred to drilling feedrate F
through drilling
Feedrate for through drilling (ShopTurn)
"yes")
Feedrate for through drilling (G code)
DT - (only for
● Dwell time at final depth in seconds
through drilling
● Dwell time at final depth in revolutions
"no")
Parameters in the "Input simple" mode
G code program parameters
Input
RP Retraction plane
Parameter Description
Machining position
● Single position
(only for G code)
● Position pattern
Z0 (only for G code) Reference point Z
Drilling depth
● Shank (drilling depth in relation to the shank)
● Tip (drilling depth in relation to the tip)
Z1 Drilling depth (abs) or drilling depth in relation to Z0 (inc)
It is inserted into the workpiece until it reaches Z1.
DT
● Dwell time (at final drilling depth) in seconds
● Dwell time (at final drilling depth) in revolutions
326
● simple
mm
Drill hole at programmed position
Position with MCALL
The drill is inserted into the workpiece until the drill shank reaches the value
programmed for Z1. The angle entered in the tool list is taken into account.
The drill is inserted into the workpiece until the drill tip reaches the value programmed
for Z1.
ShopMill program parameters
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 05/2017, A5E40868956
Unit
%
mm/min or
mm/rev.
Distance/
min or dis‐
tance/rev
s
rev
mm/min
mm/rev
rpm
m/min
mm
mm
s
rev
Milling