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In this article, we write CNC program example for polar coordinate (G16 code) with G81 drilling cycle in CNC Milling machines.

Technical Drawing

CNC Milling | G16 | Polar Coordinate Example with G81 Cycle

CNC Program

O1258
G54
T01 M6
G94 F400
S1000 M3
G43 G00 Z5 H1
G00 X0 Y0
G54 G90 G16 X35 Y0
G81 Zā€“12 R2 F400
G91 Y45 K7
G15 G80
G0 Z200
M05
M09
M30
ā€”

G91  Y45 K7 meaning is there will be seven more hole with 45 degree angel.

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