CNC Turning G02 & G03 Arc Programming Tutorial & Code Example
Simple and clean Example for circular interpolation using G02 (clockwise arc) and G03 (counter-clockwise arc) on a CNC turning.
Programming Example (Turning Center)
O1002 (MODIFIED PART PROGRAM)
G21 (Metric Units)
G40 G90 G54
T0101 (OD Roughing Tool)
M03 S1800 (Spindle ON, 1800 RPM)
G00 X100 Z100 (Tool at safe position)
G00 X55 Z2 (Rapid to position near stock)
G01 X55 Z0.5 F0.2 (Face)
G01 X0 Z0
G01 X26 Z0 F0.3
G01 Z-12 (Cut left cylinder)
G03 X20 Z-16 R4 (Cut R4 undercut)
G01 Z-24 (Cut central cylinder Ø20)
G03 X30 Z-32 R12 (Cut large S-curve)
G02 X20 Z-42 R10 (Cut R10 small sphere)
G01 Z-43
G00 X100 Z100
T0202 (OD Finishing Tool)
G42 (Cutter Comp Left)
M03 S2200 (Spindle ON, 2200 RPM)
G00 X55 Z2
G01 X55 Z0.5 F0.1
G01 X0 Z0
G01 X26 Z0 F0.15
G01 Z-12
G03 X20 Z-16 R4 F0.12
G01 Z-24
G03 X30 Z-32 R12 F0.12
G02 X20 Z-42 R10 F0.1
G01 Z-43
G00 X100 Z100
G40
M30 (End of Program)
