Automatic override for inner corner Automatically overriding a cutting feedrate at each end of an inner corner, pro-
duced based on a tool path that has been subjected to cutter compensation.
Inner corner is defined by 180° v α
Automatic reference position return Automatically feeding a specified axis to a reference position using a program
Automatic tool length measurement Issuing an automatic measurement command to the CNC to move the tool to the
measurement position, thereby allowing the CNC to automatically calculate the
tool offset value.
Automatic tool offset Giving an automatic measurement command to the CNC and moving the tool to
a measurement position, thereby letting the CNC automatically measure tool off-
Auxiliary function lock Disabling a specified M, S, or T function.
Axis control function Generic name for control functions for controlled axes.
Axis interchange Switching the correspondence between a specified axis movement command
and the machine axis that actually moves.
Axis name Name given to an axis controlled by the CNC or PMC.
Axis number Number used to associate an axis name used in programming with the recogni-
tion number (controlled axis number) of the CNC control section and the recogni-
tion number (servo axis number) of a machine drive motor.
Axis recomposition (Two–path control
Two–path synchronous, composite, and superposition control.
B code Coded number, following the B address, that specifies the second auxiliary func-
tion or index table indexing.
B–axis control function Drilling or boring performed using an axis (B–axis) that operates independently
of the two basic axes (X and Z) of a lathe.
Background editing Editing a program during the execution of another program.
Background graphic display Drawing a machining path specified by a program during the execution of
Backlash compensation Compensation for mechanical backlash.
Balace cut Machining a thin workpiece by cutting it from both sides in order to prevent the
workpiece from deforming, thereby achieving a high level precision.
Base point Start point of a pattern function program, such as the position of the tool when
a pattern function is specified or the position that is identified with coordinates
specified using a base point command.
Base point command Specifying the coordinates of a base point for the pattern function.
Basic controlled axes Controlled axis having a name fixed by the CNC.
Cutter compensation C Compensating the figure by displacing the beam from the programmed beam
path by the radius of the actual beam, in the direction perpendicular to the beam
Cutter compensation memory Number of cutter compensation values which can be stored in CNC memory.
Bending compensation Compensating the position of a hole for displacement due to the workpiece being
Block One of the command units constituting a program.