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Siemens SINUMERIK 840D sl Turning - Page 627

Siemens SINUMERIK 840D sl Turning
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Parameter Description Unit
Z0 Reference point Z (abs)
Drilling depth Referred to
Shank
The drill is inserted until the drill shank reaches the value programmed for Z1. The
angle entered in the tool list is taken into account.
Tip
The drill is inserted until the drill tip reaches the value programmed for Z1.
Z1 Final drilling depth (abs) or final drilling depth in relation to Z0 (inc)
D Maximum depth infeed
FD1 Percentage for the feedrate for the first infeed %
DF
Percentage for each additional infeed or
Amount for each additional infeed
DF = 100: Infeed increment remains constant
DF < 100: Infeed increment is reduced in direction of final drilling depth.
Example: DF = 80
Last infeed was 4 mm;
4 x 80% = 3.2; next infeed increment is 3.2 mm
3.2 x 80% = 2.56; next infeed increment is 2.56 mm, etc.
%
mm
V1 Minimum depth infeed
Parameter V1 is available only if DF<100% has been programmed.
A minimum infeed is programmed using parameter V1.
V2 Retraction distance after each machining step – (only for "chipbreaking" operation)
Clearance dis‐
tance
- (only for "swarf removal" operation)
Manual
Automatic
V3 Clearance distance – (for "manual" clearance distance only)
DT
Dwell time in seconds
Dwell time in revolutions
s
rev
XD Center offset in X direction
The center offset can be used for example to produce a drill hole with an exact fit. A rotary
drill (rotary drill type) or U drill (drill type) is required. Other drill types are not suitable.
The maximum center offset is stored in a machine data code.
mm
Parameters in the "Input simple" mode
Parameter Description Unit
Input simple
T Tool name
D Cutting edge number
F Feedrate mm/min
mm/rev
Programming technology functions (cycles)
10.7 Additional cycles and functions in ShopTurn
Turning
Operating Manual, 06/2019, A5E44903486B AB 627

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