Siemens SINUMERIK Series Operating Manual page 389

Parameter Description
Machining ● One cut
● Chip breaking
● Swarf removal
● Chip breaking and swarf removal
FD1 Percentage for the feedrate for the first infeed
D First drilling depth (abs) or first drilling depth in relation to Z0 (inc)
DF Infeed:
● Degression amount by which each additional infeed is reduced (inc)
● Percentage for each additional infeed.
DF = 100%: Infeed increment remains constant.
DF < 100%: Infeed increment is reduced in direction of final drilling depth.
Example: Last infeed was 4 mm; DF is 80%
Next infeed = 4 x 80% = 3.2 mm
Next infeed = 3.2 x 80% = 2.56 mm, etc.
V1 Minimum depth infeed - (only for DF in %)
Parameter V1 is only provided if DF<100 has been programmed.
If the infeed increment becomes very small, a minimum infeed can be programmed
in parameter "V1".
V1 < Infeed increment: The tool is inserted by the infeed increment
V1 > Infeed increment: The tool is inserted by the infeed value programmed under
V1.
V2 Retraction distance after each machining step
(for chip break‐ Distance by which the drill is retracted for chip breaking.
ing only)
V2 = 0: The tool is not retracted but is left in place for one revolution.
DTB
● Dwell time at drilling depth in seconds
● Dwell time at drilling depth in revolutions
Clearance dis‐
● Manual
tance - (for
The clearance distance must be entered manually.
stock removal
● Automatic
only)
The clearance distance is calculated by the cycle.
V3 – (for "man‐ Clearance distance (inc)
ual" clearance
distance only)
N - (only for Number of chip breaking strokes before each chip removal
"chip breaking
and swarf re‐
moval")
Retraction for
● Swarf removal at the pilot hole depth
swarf removal
● Swarf removal at the safety clearance
DTS
● Dwell time for swarf removal in seconds
● Dwell time for swarf removal in revolutions
Milling
Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
Programming technological functions (cycles)
10.1 Drilling
Unit
%
mm
mm
%
mm
mm
s
rev
mm
s
rev
389