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Siemens SINUMERIK 840D Programming Guide

Siemens SINUMERIK 840D
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8
04.00 Tool Offsets
8.5 Activate 3D tool offsets
8
840D
NCU 572
NCU 573
840Di
ï›™
Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
8-281
Face milling
For this type of 3D milling, you require line-by-line
definition of 3D paths on the workpiece surface.
The tool shape and dimensions are taken into
account in the calculations that are normally
performed in CAM.
In addition to the NC blocks, the postprocessor
writes the tool orientations (when five-axis
transformation is active) and the G code for the
desired 3D tool offset into the part program.
This feature offers the machine operator the option
of using slightly smaller tools than that used to
calculate the NC paths.
Example:
NC blocks have been calculated with a 10 mm mill.
In this case, the workpiece could also be machined
with a mill diameter of 9.9 mm, although this would
result in a different surface profile.

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Siemens SINUMERIK 840D Specifications

General IconGeneral
SeriesSINUMERIK 840D
AxesUp to 31
ChannelsUp to 10
Operating SystemWindows-based
Power Supply24 V DC
Control Unit TypeCNC
InterfaceEthernet, PROFIBUS
DisplayTFT color display
InterpolationSpline
PLCIntegrated PLC
Data StorageCompactFlash, USB

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