HEIDENHAIN TNC 320 - Example: Full circle with Cartesian coordinates

Programming Contours | Path contours  Cartesian coordinates
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HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
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Example: Full circle with Cartesian coordinates
%C-CC G71 *
N10 G30 G17 X+0 Y+0 Z-20*
Definition of workpiece blank
N20 G31 G90 X+100 Y+100 Z+0*
N30 T1 G17 S3150*
Tool call
N40 G00 G40 G90 Z+250*
Retract the tool
N50 I+50 J+50*
Define the circle center
N60 X-40 Y+50*
Pre-position the tool
N70 G01 Z-5 F1000 M3*
Move to working depth
N80 G41 X+0 Y+50 F300*
Approach starting point, radius compensation G41
N90 G26 R5 F150*
Tangential approach
N100 G02 X+0*
Move to the circle end point (= circle starting point)
N110 G27 R5 F500*
Tangential exit
N120 G01 G40 X-40 Y-50 F1000*
Retract the tool in the working plane, cancel radius
compensation
N130 G00 Z+250 M2*
Retract the tool in the tool axis, end of program
N99999999 %C-CC G71 *