Siemens SINUMERIK 840D Operation/Programming

3
Programming with ShopMill 10.04
3.7 Drillin
g
3
 Siemens AG, 2004. All rights reserved
3-262 SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Drilling with a
counterbore
You want to machine through holes with screw head recesses around
a pitch circle on a workpiece.
When you program the counterbore, you must select offset value D2
(see Sec. "Creating a tool offset block for tool edge ½").
X
Y
X
Z
A
B
45
80
40
50
100
Cut A-B
30
8.5
15
9
60
Workshop drawing
Extract from machining plan

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB