Siemens SINUMERIK 840D Operation/Programming Manual page 267

3
10.04
Call help display with
the key
Parameters
T, F, V See Sec. "Programming the tool, offset value and spindle speed".
Position of 5 different positions for the reference point can be selected:
reference point •
•
•
•
•
The reference point (highlighted in yellow) is displayed in the Help screen.
Machining type Roughing
Finishing
Finishing edge
Chamfer
Single pos. A rectangular pocket is machined at the programmed position (X0, Y0, Z0).
Pos. pattern Several rectangular pockets are machined in a position pattern (e.g. full circle, pitch
circle, matrix, etc.).
The positions refer to the reference point:
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.
W Pocket width
L Pocket length
R Radius at pocket corners
α0 Angle of rotation of pocket in relation to X axis.
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)
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Help display for milling a rectangular pocket
If you want to mill a chamfer and the corner radius was R = 0 during
finishing, you must specify the radius of the finishing milling tool in
parameter R during chamfering.
Pocket center
Lower left-hand corner
Lower right-hand corner
Upper left-hand corner
Upper right-hand corner
Programming with ShopMill
Description
3
3.8 Milling
Unit
mm
mm
mm
mm
mm
mm
Degr.
mm
mm
plane infeed %
3-267