Siemens SINUMERIK 840D Operation/Programming Manual page 269

3
10.04
Programming example
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
You wish to cut a rectangular pocket, starting with a rough cut operation and
followed by a finish cut. Since the cutting tool you are using cannot cut across
center, the workpiece needs to be predrilled first with a drill of Ø 20 mm.
1 2 0
8 0
Y
F in is h in g a llo w a n c e 1 m m
R e fe re n c e p o in t o f r e c ta n g u la r p o c k e t
X
Workpiece drawing of the rectangular pocket
Rough cut a rectangular pocket
Extract from machining plan; predrilling and milling a rectangular pocket
Programming with ShopMill
3.8 Milling
P r e d r ille d
D ia m e te r 2 0 m m
9 0
5 0
Finishing a rectangular pocket
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