2
08/2005 Setting Up the Machine
2.5 Tools
2
♥ Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 2-55
Tool/cutting edge radius
offset
The workpiece contour and the traversing path of a tool are not
identical, since a tool should not move with its center-point along the
contour that is to be finished.
ShopTurn shifts the programmed tool path, depending on the radius of
the tool and on the machining direction, such that the tool's cutting
edge traverses exactly along the desired contour. This shifted tool
path is called the equidistant.
Equidistant
Equidistant
Equidistants during turning and milling
The controller calculates the shifted tool path from the tool radius
entered in the tool list and the wear values (see Sec. "Entering Tool
Wear Data").
You can find further information on radius offset in Sec. "Program
blocks".
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