HEIDENHAIN iTNC 530 297
9.11 Programming Examples
N210 G00 G40 Z+250 M2 *
Retract in the tool axis, end program
N220 G98 L10 *
Subprogram 10: Machining operation
N230 Q16 = Q6 - Q10 - Q108 *
Account for allowance and tool, based on the cylinder radius
N240 Q20 = +1 *
Set counter
N250 Q24 = +Q4 *
Copy starting angle in space (Z/X plane)
N260 Q25 = ( Q5 - Q4)/Q13*
Calculate angle increment
N270 G54 X+Q1 Y+Q2 Z+Q3 *
Shift datum to center of cylinder (X axis)
N280 G73 G90 H+Q8 *
Account for rotational position in the plane
N290 G00 G40 X+0 Y+0 *
Pre-position in the plane to the cylinder center
N300 G01 Z+5 F1000 M3 *
Pre-position in the tool axis
N310 G98 L1 *
N320 I+0 K+0 *
Set pole in the Z/X plane
N330 G11 R+Q16 H+Q24 FQ11 *
Move to starting position on cylinder, plunge-cutting obliquely into
the material
N340 G01 G40 Y+Q7 FQ12 *
Longitudinal cut in Y+ direction
N350 Q20 = +Q20 + 1 *
Update the counter
N360 Q24 = +Q24 + +Q25 *
Update solid angle
N370 D11 P01 +Q20 P02 +Q13 P03 99 *
Finished? If finished, jump to end
N380 G11 R+Q16 H+Q24 FQ11 *
Move in an approximated “arc” for the next longitudinal cut
N390 G01 G40 Y+0 FQ12 *
Longitudinal cut in Y– direction
N400 D01 Q20 P01 +Q20 P02 +1 *
Update the counter
N410 D01 Q24 P01 +Q24 P02 +Q25 *
Update solid angle
N420 D12 P01 +Q20 P02 +Q13 P03 1 *
Unfinished? If not finished, return to LBL 1
N430 G98 L99 *
N440 G73 G90 H+0 *
Reset the rotation
N450 G54 X+0 Y+0 Z+0 *
Reset the datum shift
N460 G98 L0 *
End of subprogram
N99999999 %CYLIN G71 *
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