Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual page 121

Program example
■Program that positions by polar coordinate interpolation mode
Operation Program
(1) G17 G90 G00 X40.0 C0 Z0
(2) G12.1
(3) G01 G42 X20.0 F2000
(4) C10.0
(5) G03 X10.0 C20.0 R10.0
(6) G01 X-20.0
(7) C-10.0
(8) G03 X-10.0 C-20.0 I10.0 J0
(9) G01 X20.0
(10) C00
(11) G40 X40.0
Virtual C-axis
(6)
(7)
(8)
: Program path
: Tool center path
C
(5)
(4)
(1)
(3)
(2)
X
(11)
(10)
Tool
(9)
[Unit: mm]
Remarks
Determining the start position
Polar coordinate interpolation mode: Start
Actual start of working
Shape program
(By Cartesian coordinate values on the X-C plane.)
Actual end of working
Move to end position
C
Virtual C-axis
5 G-CODE CONTROL PROGRAMS
5
X
Z
119
5.6 G-Code