Fusion 360 post processor file for Plamac

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6 years 1 month ago #183273 by turbodude
I am just playing with the Fusion 360 PlasmaC post processor now. Is the intention that you need to create a tool in F360 that has zero kerf width so that the GCode is created with movements that are "on the line" and then PlasmaC adds offset based on its chosen kerf width??? I have tried with an existing plasma tool in Fusion 360 with a kerf width of 1.3mm and then posting with the PlasmaC PP and the GCode definitely contains the offset. I assume PlasmaC will then add more offset based on its kerf width. Is this correct?

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6 years 1 month ago #183275 by turbodude
I just tried & Fusion 360 won't let me set a zero kerf plasma tool. What am I missing???

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6 years 1 month ago #183277 by phillc54
PlasmaC only applies an offset where there is a G41.1 or a G42.1 in the gcode.

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6 years 1 month ago #183282 by phillc54

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6 years 1 month ago #183287 by turbodude
no there is no G41.1 or a G42.1 in the gcode. This is the code that was produced for a 60mm square with a 2mm kerf (you can see the 1mm offset from 60mm).

(1001)
N10 G21
N15 G90 G40
N20 G17 G91.1
N25 G64 P0.254 Q0.254
N30 M52 P1.
N35 M65 P2.
N40 M65 P3.
N45 M68 E3 Q0.

(2D PROFILE OUTSIDE)
(
)
(- NORMAL OPERATION. -)
(
)
(PLASMA CUTTING)
(THROUGH CUTTING)

N50 M190 P1.
N55 M66 P3. L3 Q1.
N60 F#<_hal[plasmac.cut-feed-rate]>
N65 G0 X-1. Y60.
N70 M3 $0 S1
N75 G2 X0. Y61. I1.
N80 G1 X60.
N85 G2 X61. Y60. J-1.
N90 G1 Y0.
N95 G2 X60. Y-1. I-1.
N100 G1 X0.
N105 G2 X-1. Y0. J1.
N110 G1 Y60.
N115 M5

N120 G0 X0. Y0.
N125 G90
N130 G40
N135 M65 P2.
N140 M65 P3.
N145 M68 E3 Q0.
N150 M5
N155 M30

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6 years 1 month ago #183288 by phillc54
I think that is really the best way, then you don't lose the ability to toggle the digital or analog pins for other features.

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