how to correct generate cnc files with Fusion 360

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3 years 2 months ago #278809 by geostein8888
Hello,
when i generate a cnc file with fusion360 and the linuxcnc turning post processor, the result is also not matching my work piece, It looks like its taking the diameter instead of the radios somehow, in all case when i touch off my work piece in this way(perhaps here the problem is situated):
going to the start of the work piece outer right side and  outside corner and set x and z to zero, when i start now the file, its always starting around the  radius towards me in the air in stead of the work pieces surface.
Code:
% (CHESS_) N10 G7 N11 G90 G18 N12 G21 (WHEN USING FUSION 360 FOR PERSONAL USE, THE FEEDRATE OF) (RAPID MOVES IS REDUCED TO MATCH THE FEEDRATE OF CUTTING) (MOVES, WHICH CAN INCREASE MACHINING TIME. UNRESTRICTED RAPID) (MOVES ARE AVAILABLE WITH A FUSION 360 SUBSCRIPTION.) N13 G53 G0 X0. N14 G53 G0 Z0. (PROFIL-SCHRUPPEN1) N15 T2 M6 N17 G90 G94 G18 N18 G54 N19 G97 S1463 M3 N20 G0 X43.5 Z7. N21 G96 D3500 S200 M3 N22 G1 Z1.5 F65. N23 X21.5 N24 Z-50.132 N25 X23.5 N26 X25.5 Z-49.132 N27 Z1.5 N28 X19.5 N29 Z-38.373 N30 G3 Z-42.682 R8.7 N31 G1 Z-49.185 N32 X20.189 Z-50.132 N33 X21.5 N34 X23.5 Z-49.132 N35 Z1.5 N36 X17.5 N37 Z-32.608 N38 G3 Z-34.925 R3. N39 G1 Z-36. N40 G3 X19.5 Z-38.373 R8.7 N41 G1 X21.5 Z-37.373 N42 Z1.5 N43 X15.5 N44 Z-31.342 N45 G3 X17.5 Z-32.608 R3. N46 G1 X19.5 Z-31.608 N47 Z1.5 N48 X13.5 N49 Z-6.335 N50 X15.051 Z-8.466 N51 Z-13.522 N52 Z-13.524 N53 G3 X13.5 Z-15.762 R3.8 N54 G1 Z-30.866 N55 G3 X15.5 Z-31.342 R3. N56 G1 X17.5 Z-30.342 N57 Z1.5 N58 X11.5 N59 Z-5.2 N60 G2 X12.861 Z-5.457 R4.7 N61 G1 X13.5 Z-6.335 N62 X15.5 Z-5.335 N63 Z1.5 N64 X9.5 N65 Z-4.567 N66 G2 X11.5 Z-5.2 R4.7 N67 G1 X13.5 Z-4.2 N68 Z1.5 N69 X7.5 N70 Z-3.422 N71 G2 X9.5 Z-4.567 R4.7 N72 G1 X11.5 Z-3.567 N73 Z1.5 N74 X5.5 N75 Z0.1 N76 X6.324 N77 G2 X7.5 Z-3.422 R4.7 N78 G1 X9.5 Z-2.422 N79 Z1.5 N80 X3.5 N81 Z0.1 N82 X5.5 N83 X7.5 Z1.1 N84 Z1.5 N85 X1.55 N86 Z0.1 N87 X3.5 N88 X5.5 Z1.1 N89 Z1.5 N90 X-0.4 N91 Z0.1 N92 X1.55 N93 X3.55 Z1.1 N94 X16.051 N95 Z-15.762 N96 X14.5 N97 X13.5 N98 G3 X12.338 Z-16.372 R3.8 N99 G1 X11.5 Z-16.723 N100 Z-28.688 N101 X12.036 Z-28.955 N102 Z-30.767 N103 G3 X13.5 Z-30.866 R3. N104 G1 X15.5 Z-29.866 N105 Z-16.723 N106 X12.5 N107 X11.5 N108 X9.646 Z-17.501 N109 Z-27.761 N110 X11.5 Z-28.688 N111 X13.5 Z-27.688 N112 Z-17.501 N113 X10.646 N114 X9.646 N115 X7.793 Z-18.278 N116 Z-26.834 N117 X9.646 Z-27.761 N118 X11.646 Z-26.761 N119 X18.966 N120 Z-34.925 N121 X18.5 N122 X17.5 N123 G3 X16.853 Z-35.507 R3. N124 X17.5 Z-36. R8.7 N125 G1 X19.5 Z-35. N126 X21.042 N127 Z-42.682 N128 X20.5 N129 X19.5 N130 G3 X18.176 Z-44.447 R8.7 N131 G1 Z-47.367 N132 X19.5 Z-49.185 N133 X21.5 Z-48.185 N134 Z-44.447 N135 X19.176 N136 X18.176 N137 G3 X16.852 Z-45.548 R8.7 N138 G1 X18.176 Z-47.367 N139 X20.176 Z-46.367 N140 X43.5 N141 Z7. N142 G97 S1463 M3 N143 M5 N144 G53 G0 X0. N145 G53 G0 Z0. N146 M30 %

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3 years 2 months ago #278823 by andypugh
Generally you would set X to the diameter and Z to zero at that corner.

The (0,0) point for the tool tip should match the origin of the setup, the red-green-blue XYZ triad:

 

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3 years 2 months ago #278827 by geostein8888
do you mean to the diameter of the work piece or the resulting diameter of the finished part?

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