5 p a th cont ours—p o lar coor dinat e s – HEIDENHAIN TNC 620 (340 56x-02) ISO programming User Manual
Page 179
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HEIDENHAIN TNC 620
179
6.5 P
a
th Cont
ours—P
o
lar Coor
dinat
e
s
Example: Helix
%HELIX 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 S1400 *
Tool call
N40 G00 G40 G90 Z+250 *
Retract the tool
N50 X+50 Y+50 *
Pre-position the tool
N60 G29 *
Transfer the last programmed position as the pole
N70 G01 Z-12.75 F1000 M3 *
Move to working depth
N80 G11 G41 R+32 H+180 F250 *
Approach first contour point
N90 G26 R2 *
Connection
N100 G13 G91 H+3240 Z+13.5 F200 *
Helical interpolation
N110 G27 R2 F500 *
Tangential exit
N120 G01 G40 G90 X+50 Y+50 F1000 *
Retract in the tool axis, end program
N130 G00 Z+250 M2 *
X
Y
50
50
CC
100
100
M64 x 1,5
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