Siemens SINUMERIK 840D - Page 267

3
10.04 Programming with ShopMill
3.8 Millin
g
3
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 3-267
Call help display with
the
key
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.
Parameters Description Unit
T, F, V See Sec. "Programming the tool, offset value and spindle speed".
Position of
reference point
5 different positions for the reference point can be selected:
• Pocket center
• Lower left-hand corner
• Lower right-hand corner
• Upper left-hand corner
• Upper right-hand corner
The reference point (highlighted in yellow) is displayed in the Help screen.
Machining type Roughing
Finishing
Finishing edge
Chamfer
Single pos.
Pos. pattern
A
rectangular pocket is machined at the programmed position (X0, Y0, Z0).
Several rectangular pockets are machined in a position pattern (e.g. full circle, pitch
circle, matrix, etc.).
X0
Y0
Z0
The positions refer to the reference point:
Position in X direction (single position only), abs. or inc.
Position in Y direction (single position only), abs. or inc.
Workpiece height (single position only), abs. or inc.
mm
mm
mm
W Pocket width mm
L Pocket length mm
R Radius at pocket corners mm
α0
A
ngle of rotation of pocket in relation to X axis. Degr.
Z1 Depth of pocket in relation to Z0 (abs. or inc.) (not for chamfer) mm
DXY Max. infeed in plane (XY direction)
A
lternatively, you can specify the plane infeed as a %, as a ratio  plane infeed
(mm) to milling cutter diameter (mm). (not for chamfer)
mm
%