Chapter 9 NC Control Function
G107 C10
G90 G01 G18 Z0 C0 % Select the circular interpolation plane (ZX) Z0 C10 linear interpolation command
C40 % P1: Linear interpolation
G03 Z70 C60 R3 % P2: Circular interpolation CCW direction (G03) feed position command (Z70 C60)
Circular arc‟s radius (3)
G107 C0 % Cancel the cylindrical interpolation
Caution
In the cylindrical interpolation mode, the circular arc radius command can be done with R only.
In the cylindrical interpolation mode, the positioning command (G00) is not available.
In the cylindrical interpolation mode, the coordinate system command is not available.
27) Polar coordinate interpolation mode ON/OFF (G112, G113)
G112: Set the polar coordinate interpolation mode, it is maintained until the G113 is commanded.
G01/G02/G03: Command to the rectangular coordinate system of the linear and rotary axis.
G113: Disable the polar coordinate interpolation mode
The polar coordinate interpolation converts the command entered into the rectangular coordinate system into the
movement of the linear axes (X, Y, Z: tool movement) and the rotary axes (A, B, C: workpiece). This is executed on
the polar coordinate interpolation plane created by the linear axis and the imaginary axis that is orthogonal to the
linear axis.
The linear and the rotation axes should set in the parameters before the polar coordinate interpolation.
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