HEIDENHAIN TNC 426B (280 472) Training ISO programming - Manual (Page 19)

Solution:
HEIDENHAIN Basic Course ISO G 426
Circular arcs
62158/2 F06
100
100
0
60
0
50
20
0 5
30
15
P 4
P 3
P
2
P 1
R75
R20
R10
R80
Complete program
%62158 G71 *
N5
G30 G17 X+0 Y+0 Z-20 *
N10 G31 G90 X+100 Y+100 Z+0 *
N15 T13 G17 S2500 * ................................................. R20
N20 G00 G40 G90 Z+100 M03 * ...................................... CLEARANCE HEIGHT
N25 X-30 Y+30 * ............................................................ AUXILIARY POINT
N30 Z-5 * ...................................................................... DEPTH
N35 G01 G41 X+5 Y+30 F250 * ........................................ APPROACH STARTING POINT OF
N35 G26 R3 * ................................................................ CONTOUR TANGENTIALLY
N40 I+15 J+30 * ............................................................. CIRCLE CENTER
N45 G02 X+6,645 Y+35,495 *
N50 G06 X+55,505 Y+69,488 * ........................................ TANGENTIAL CIRCULAR PATH
N55 G05 X+58,995 Y+30,025 R-20 * ................................. CIRCULAR PATH WITH RADIUS;
DIRECTION OF ROTATION
PROGRAMMED LAST
N60 G06 X+19,732 Y+21,191 *
N65 G02 X+5 Y+30 *
N70 G27 R3 * ................................................................ DEPART TANGENTIALLY
N75 G01 G40 X-30 Y+30 *
N80 G00 Z+100 M30 *
N999999 %62158 G71 *