Example: Linear Movement With Polar Coordinates - HEIDENHAIN TNC 620 User Manual

Example: Linear movement with polar coordinates

%LINEARPO G71 *
N10 G30 G17 X+0 Y+0 Z-20*
N20 G31 G90 X+100 Y+100 Z+0*
N30 T1 G17 S4000*
N40 G00 G40 G90 Z+250*
N50 I+50 J+50*
N60 G10 R+60 H+180*
N70 G01 Z-5 F1000 M3*
N80 G11 G41 R+45 H+180 F250*
N90 G26 R5*
N100 H+120*
N110 H+60*
N120 H+0*
N130 H-60*
N140 H-120*
N150 H+180*
N160 G27 R5 F500*
N170 G40 R+60 H+180 F1000*
N180 G00 Z+250 M2*
N99999999 %LINEARPO G71 *
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Path contours – Polar coordinates
Definition of workpiece blank
Tool call
Define the datum for polar coordinates
Retract the tool
Pre-position the tool
Move to working depth
Approach the contour at point 1
Approach the contour at point 1
Move to point 2
Move to point 3
Move to point 4
Move to point 5
Move to point 6
Move to point 1
Tangential exit
Retract the tool in the working plane, cancel radius
compensation
Retract in the spindle axis, end of program
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