Siemens SINUMERIK 840D Operation/Programming Manual page 271

3
10.04
Call help display with
the key
Parameters
T, F, V See Sec. "Programming the tool, offset value and spindle speed".
Machining type Roughing
Finishing
Finishing on edge
Chamfer
Single pos. A circular pocket is machined at the programmed position (X0, Y0, Z0).
Pos. pattern Several circular pockets are machined in a position pattern (e.g. full circle, pitch
circle, matrix, etc.).
The positions refer to the center point of the circular pocket:
X0 Position in X direction (single position only), abs. or inc.
Y0 Position in Y direction (single position only), abs. or inc.
Z0 Workpiece height (single position only), abs. or inc.
∅ Diameter of pocket
Z1 Depth of pocket in relation to Z0, abs. or inc. (not for chamfer)
DXY Max. infeed in plane (XY direction)
Alternatively, you can specify the plane infeed as a %, as a ratio
(mm) to milling cutter diameter (mm). (not for chamfer)
DZ Max. depth infeed (Z direction) (not for chamfer)
UXY Finishing allowance in plane (pocket edge) (not for chamfer)
UZ Finishing allowance in depth (pocket base) (not for chamfer)
Insertion: You can select one of several insertion strategies:
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 to eliminate the inclined insertion path.
Feedrate: Machining feedrate
Center: Insert vertically in center of pocket
The tool executes the calculated depth infeed vertically in the center of the pocket.
Feedrate: Infeed rate as programmed under FZ
Note: The vertical insertion into pocket center method can be used only if the tool
can cut across center or if the workpiece has been predrilled.
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Help display for milling a circular pocket
Description
Programming with ShopMill
3.8 Milling
mm
mm
mm
mm
mm
mm
plane infeed %
mm
mm
mm
3
Unit
3-271