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5 p a th cont ours—p o lar c oor dinat e s – HEIDENHAIN iTNC 530 (60642x-03) ISO programming User Manual

Page 237

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HEIDENHAIN iTNC 530

237

6.5 P

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Example: Linear movement with polar coordinates

%LINEARPO G71 *

N10 G30 G17 X+0 Y+0 Z-20 *

Definition of workpiece blank

N20 G31 G90 X+100 Y+100 Z+0 *

N40 T1 G17 S4000 *

Tool call

N50 G00 G40 G90 Z+250 *

Define the datum for polar coordinates

N60 I+50 J+50 *

Retract the tool

N70 G10 R+60 H+180 *

Pre-position the tool

N80 G01 Z-5 F1000 M3 *

Move to working depth

N90 G11 G41 R+45 H+180 F250 *

Approach the contour at point 1

N100 G26 R5 *

Approach the contour at point 1

N110 H+120 *

Move to point 2

N120 H+60 *

Move to point 3

N130 H+0 *

Move to point 4

N140 H-60 *

Move to point 5

N150 H-120 *

Move to point 6

N160 H+180 *

Move to point 1

N170 G27 R5 F500 *

Tangential exit

N180 G40 R+60 H+180 F1000 *

Retract the tool in the working plane, cancel radius compensation

N190 G00 Z+250 M2 *

Retract in the spindle axis, end of program

N99999999 %LINEARPO G71 *

X

Y

50

100

50

CC

5

100

R45

60°

5

4

1

2

6

5

3