Siemens SINUMERIK 840D sl Operating Manual page 340

Programming technological functions (cycles)
10.1 Drilling
Parameter Description
FD - (only for 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")
Retraction
● Retraction to pilot hole depth
● Retraction to retraction plane
FR Retraction in rapid traverse
Direction of
●
spindle rotation
Retraction with stationary spindle
during retrac‐
●
tion
●
SR / VR
● Spindle speed for retraction referred to the drilling speed
(only for selec‐
● Spindle speed for retraction
ted spindle di‐
● Constant cutting rate VR for retraction
rection of rota‐
tion)
Coolant off - M function to switch off the coolant
(only G code)
Parameters in the "Input simple" mode
G code program parameters
Input
RP Retraction plane
F Feedrate
S / V Spindle speed or con‐
stant cutting rate
340
● simple
mm
mm/min
mm/rev
rpm
m/min
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
U
%
rpm
m/min
mm/min
mm/rev
rpm
m/min
Milling