Specifications

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CONCISE GUIDE FANUC 39
When using the Tool Radius Offset it is also necessary to enter the value of the insert radius (R) and tool
orientation (T) in the tool table. The radius value is supplied by the insert manufacturer. For the tool
orientation see the figure below.
To make it simpler we can say that all the external left tools will have orientation T3 whereas all the
internal left tools will have orientation T2.
When assigning a tool orientation the insert geometry is not important.
At power on, after the RESET key has been pressed, or after function M30, G40 is automatically
activated, furthermore it is not possible to activate and deactivate the radius offset inserting the instruction
(G42 or G41) in a block with a circular interpolation movement.