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In this article, we write CNC program example for rotational copy (G72.1 CNC Code) in CNC Milling machines.

Technical Drawing

Fanuc G72.1 Rotational Copy Program Example

CNC Program

Main program

O2000 ;
N10 G90 G00 G17 X250. Y100. Z100. ; (P0)
N20 G72.1 P2100 L6 X100. Y50. R60. ;
N30 G80 G00 X250. Y100. ; (P0)
N40 M30 ;

Sub program

O2100 N100 G90 G81 X100. Y150. R60. Z10. F200. ; (P1)
N200 M99 ;

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