Siemens SINUMERIK 840DE

Tool offsets
8.8 Tool radius compensation (G40, G41, G42)
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
8-23
8.8 Tool radius compensation (G40, G41, G42)
Function
When tool radius compensation is active, the control automatically calculates the equidistant
tool paths for different tools.
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You can generate equidistant paths with OFFN, e.g., for rough-finishing.
Programming
G40
Or
G41
Or
G42
Or
OFFN=
Parameters
G40 Deactivate tool radius compensation.
G41 Activate tool radius compensation; tool operates in
machining direction to the left of the contour.
G42 Activate tool radius compensation, tool operates in
machining direction to the right of the contour.
OFFN= Allowance on the programmed contour (normal contour
offset).