Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 PROGRAMMING 14.COMPENSATION FUNCTION
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- Available compensation functions
The commands listed below can be used in grinding wheel wear
compensation mode. In these command modes, grinding wheel wear
compensation can also be used.
- Tool length compensation (G43, G44, G49)
- Position offset (G45 to G48)
Restrictions
- Changing a compensation axis
Before changing a compensation axis, set compensation vector cancel
mode, or cancel grinding wheel wear compensation.
- Changing the coordinate system
Before changing the coordinate system, set compensation vector cancel
mode, or cancel grinding wheel wear compensation.
- Commands related to reference position return
Before issuing the following commands, set compensation vector
cancel mode, or cancel grinding wheel wear compensation:
- Reference position return check (G27)
- Reference position return (G28)
- Second reference position return (G30)
- Return from the reference position (G29)
- Floating reference position return (G30.1)
- Relation with other compensation functions
For a system having the grinding wheel wear compensation function,
the following functions cannot be added:
- Functions belonging to G code group 07, except this function
Cutter compensation (G40, G41, G42), three-dimensional tool
compensation (G40, G41), three-dimensional cutter
compensation (G41.3, G41.2, G42.2), tool length compensation in
a specified direction (G41), and so forth
The grinding wheel wear compensation function cannot be used when
the tool offset function by tool number is valid. Before using the
grinding wheel wear compensation function, disable the tool offset
function by tool number by setting bit 5 (NOT) of parameter No. 0011
to 1.
The commands listed below are invalid for the coordinates of the
compensation center of grinding wheel wear compensation. When
these commands are executed in grinding wheel wear compensation
mode, a compensation vector is created on an extension of the line
connecting the compensation center and the command end position of
the following functions:
- Scaling (G51)
- Coordinate system rotation (G68)

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