5
08/2005 ShopTurn Functions
5.5 Millin
5
♥ Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 5-239
C0
Y0
Z0
X0
X1
DYZ
DX
UYZ
UX
FS
ZFS
Single position Peripheral surface Y:
The reference point is always the center point of the rectangular pocket.
Reference point
Reference point in Y direction (abs.)
Reference point in Z direction (abs.)
Reference point (abs)
Pocket depth based on X0 (abs or inc) – (only for roughing and finishing)
Maximum infeed in the YZ plane – (for roughing and finishing only)
Plane infeed in %: Ratio of plane infeed (mm) to milling cutter diameter (mm)
Maximum depth infeed (X direction) – (for roughing and finishing only)
Finishing allowance in the plane (pocket edge) – (for roughing and finishing only)
Finishing allowance in depth (pocket base) – (for roughing and finishing only)
Chamfer width (inc) (for chamfer only)
Insertion depth of tool tip (abs or inc) -- (for chamfer only)
Degrees
mm
mm
mm
mm
mm
%
mm
mm
mm
mm
mm
W Pocket width mm
L Pocket length mm
R Radius at pocket corners mm
α0
Angle of rotation of pocket
Face: α0 refers to the X axis or to the position of C0 with a polar reference point
Peripheral surface: α0 refers to the Y axis
Degrees
Insertion
Insertion strategy
Helical: Insertion along helical path
The cutter center point traverses along the helical path determined by the radius and
depth per revolution. If the depth for one infeed has been reached, a full circle
motion is executed in the plane.
Oscillation: Insertion with oscillation along center axis of pocket
The cutter center point oscillates along a linear path until it reaches the depth infeed.
If the depth has been reached, the path is executed again in the plane without depth
infeed.
Center: Insert vertically in center of pocket
The tool executes the calculated depth infeed vertically in the center of the pocket.
Note: This setting can be used only if the cutter can cut across center or if the
pocket has been predrilled.
EP Maximum insertion pitch (for helical insertion only)
The helix gradient might be smaller in some geometric conditions.
mm/rev
ER Insertion radius (only for helical insertion)
The radius must not be larger than the cutter radius, otherwise material will remain.
Also make sure the pocket is not violated.
mm
EW Insertion angle (for insertion with oscillation only) Degrees
FZ Depth infeed feedrate (for end face/end face C and end face Y with central insertion
only)
mm/tooth
mm/min
FX Depth infeed feedrate (for peripheral surface/peripheral surface C and peripheral
surface Y with central insertion only)
mm/tooth
mm/min
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