GCode simulates correctly - Only mills a line in X-axis

I’ve been using Fusion 360 for my designs and have had great luck between that and the LowRider. I started a new design and now all my new designs will simulate properly, within Fusion 360 and an independent Web simulator, but on the LowRider, milling only go back and forth on the X-axis after moving to the start position of the first operation.

My old gcode files work, so I don’t think it’s the LowRider.

Since the issue is with more than one new design, I think it is in the post processing. I’ve removed, renamed, and even redownloaded the post files – nothing changes. So, the only thing I can think of is a cache issue within Fusion 360. Does anyone know how to clean/reset the cache? Do I actually have to remove and reinstall Fusion 360? - I hope not.

Any help would greatly be appreciated.

Sincerely,

Kim

Can you paste some of the lines of the gcode here? You can’t attach a .gcode file, but you can copy and paste a bunch of it in, or zip it up and share it. We will look for something out of the ordinary.

Also, which post processor are you using? The two that are currently maintained are the guffy one and the @Flyfisher604 one.

You can’t attach a .gcode file, but you can copy and paste a bunch of it in

I don’t know if the behavior has changed, but currently .gcode files are one of the types you can directly attach to a post.

1 Like

What post processor are you using? Are you sure you’ve re-selected the MPCNC post processor after deleting/renaming? And attaching a g-code file would be helpful.

The file that I am using is: DIYCNC_Grbl11
Here is some of the gcode:
%
(Fusion 360 CAM 2.0.9854)
( Posts processor: DIYCNC_Grbl11.cps)
( Gcode generated: Saturday, March 13, 2021 6:34:42 PM GMT)
( Document: I-C-T2 v7)
( Setup: Setup1)
(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.)
( )
( Ranges table:)
( X: Min=-1.743 Max=277.431 Size=279.175)
( Y: Min=-1.587 Max=277.431 Size=279.019)
( Z: Min=-15 Max=15 Size=30)
( )
( Tools table:)
( T1 D=3.175 CR=0 - ZMIN=-15 - flat end mill )

( *** START begin ***)
G90
G94
G17
G21
( *** START end ***)

( *** SECTION begin ***)
(2D Contour1 - Milling - Tool: 1 - flat end mill)
( X Min: 13.11 - X Max: 262.734)
( Y Min: 13.11 - Y Max: 262.734)
( Z Min: -15 - Z Max: 15)
( COMMAND_START_SPINDLE)
( COMMAND_SPINDLE_CLOCKWISE)
( >>> Spindle Speed 5500)
M3 S5500
( COMMAND_COOLANT_ON)
( MOVEMENT_CUTTING)
G1 X261.782 Y137.605 Z15 F351
Z5
( MOVEMENT_PLUNGE)
Z2.5 F762
Z-1.183
( MOVEMENT_LEAD_IN)
G18 G2 X262.099 Z-1.5 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-1.183 K0.317
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z1 F762
Z-2.683
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-3 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-2.683 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-0.5 F762
Z-4.183
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-4.5 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-4.183 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-2 F762
Z-5.683
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-6 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-5.683 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-3.5 F762
Z-7.183
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-7.5 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-7.183 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-5 F762
Z-8.683
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-9 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-8.683 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-6.5 F762
Z-10.183
( MOVEMENT_LEAD_IN)
G2 X262.099 Z-10.5 I0.317 F351
G1 X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X13.11 I-124.812
X262.734 I124.812
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X262.099
G18 G3 X261.782 Z-10.183 K0.318
( MOVEMENT_CUTTING)
G1 Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-8 F762
Z-11
( MOVEMENT_LEAD_IN)
X262.099 F351
X262.417
G17 G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X262.694 Y141.097 I-124.812
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X218.198 Y233.493 I-124.772 J-3.175 F351
G1 Z-11
G3 X213.233 Y237.453 I-80.276 J-95.571
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X113.254 Y260.272 I-75.311 J-99.531 F351
G1 Z-11
G3 X107.063 Y258.859 I24.668 J-122.35
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X26.884 Y194.919 I30.859 J-120.937 F351
G1 Z-11
G3 X24.129 Y189.198 I111.038 J-56.997
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 Y86.646 I113.793 J-51.276 F351
G1 Z-11
G3 X26.884 Y80.925 I113.793 J51.276
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X107.063 Y16.985 I111.038 J56.997 F351
G1 Z-11
G3 X113.254 Y15.572 I30.859 J120.937
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X213.234 Y38.392 I24.669 J122.35 F351
G1 Z-11
G3 X218.198 Y42.351 I-75.312 J99.53
( MOVEMENT_PLUNGE)
G1 Z-12 F762
( MOVEMENT_FINISH_CUTTING)
G3 X262.694 Y134.747 I-80.276 J95.571 F351
G1 Z-11
G3 X262.734 Y137.922 I-124.772 J3.175
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X261.782
( MOVEMENT_CUTTING)
Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-9.5 F762
Z-11
( MOVEMENT_LEAD_IN)
X262.099 F351
X262.417
G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X262.694 Y141.097 I-124.812
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X218.198 Y233.493 I-124.772 J-3.175 F351
G1 Z-11
G3 X213.233 Y237.453 I-80.276 J-95.571
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X113.254 Y260.272 I-75.311 J-99.531 F351
G1 Z-11
G3 X107.063 Y258.859 I24.668 J-122.35
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X26.884 Y194.919 I30.859 J-120.937 F351
G1 Z-11
G3 X24.129 Y189.198 I111.038 J-56.997
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 Y86.646 I113.793 J-51.276 F351
G1 Z-11
G3 X26.884 Y80.925 I113.793 J51.276
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X107.063 Y16.985 I111.038 J56.997 F351
G1 Z-11
G3 X113.254 Y15.572 I30.859 J120.937
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X213.234 Y38.392 I24.669 J122.35 F351
G1 Z-11
G3 X218.198 Y42.351 I-75.312 J99.53
( MOVEMENT_PLUNGE)
G1 Z-13.5 F762
( MOVEMENT_FINISH_CUTTING)
G3 X262.694 Y134.747 I-80.276 J95.571 F351
G1 Z-11
G3 X262.734 Y137.922 I-124.772 J3.175
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X261.782
( MOVEMENT_CUTTING)
Z5
Y137.605
( MOVEMENT_PLUNGE)
Z-11 F762
( MOVEMENT_LEAD_IN)
X262.099 F351
X262.417
G3 X262.734 Y137.922 J0.317
( MOVEMENT_FINISH_CUTTING)
X262.694 Y141.097 I-124.812
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X218.198 Y233.493 I-124.772 J-3.175 F351
G1 Z-11
G3 X213.233 Y237.453 I-80.276 J-95.571
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X113.254 Y260.272 I-75.311 J-99.531 F351
G1 Z-11
G3 X107.063 Y258.859 I24.668 J-122.35
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X26.884 Y194.919 I30.859 J-120.937 F351
G1 Z-11
G3 X24.129 Y189.198 I111.038 J-56.997
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 Y86.646 I113.793 J-51.276 F351
G1 Z-11
G3 X26.884 Y80.925 I113.793 J51.276
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X107.063 Y16.985 I111.038 J56.997 F351
G1 Z-11
G3 X113.254 Y15.572 I30.859 J120.937
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X213.234 Y38.392 I24.669 J122.35 F351
G1 Z-11
G3 X218.198 Y42.351 I-75.312 J99.53
( MOVEMENT_PLUNGE)
G1 Z-15 F762
( MOVEMENT_FINISH_CUTTING)
G3 X262.694 Y134.747 I-80.276 J95.571 F351
G1 Z-11
G3 X262.734 Y137.922 I-124.772 J3.175
( MOVEMENT_LEAD_OUT)
X262.417 Y138.24 I-0.318
G1 X261.782
( MOVEMENT_CUTTING)
Z15
( *** SECTION end ***)

(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.)
( *** SECTION begin ***)
(2D Contour1 2 - Milling - Tool: 1 - flat end mill)
( X Min: -1.743 - X Max: 277.431)
( Y Min: -1.587 - Y Max: 277.431)
( Z Min: -15 - Z Max: 15)
( COMMAND_START_SPINDLE)
( COMMAND_SPINDLE_CLOCKWISE)
( COMMAND_COOLANT_ON)
X-1.733 Y145.297 Z15 F351
Z5
( MOVEMENT_PLUNGE)
Z2.5 F762
Z-1.183
( MOVEMENT_LEAD_IN)
X-1.729 Z-1.232 F351
X-1.717 Z-1.281
X-1.698 Z-1.327
X-1.672 Y145.298 Z-1.369
X-1.64 Z-1.407
X-1.602 Y145.299 Z-1.439
X-1.559 Y145.3 Z-1.465
X-1.513 Z-1.484
X-1.465 Y145.301 Z-1.496
X-1.415 Y145.302 Z-1.5
X-1.098 Y145.308
G3 X-0.786 Y145.63 I-0.005 J0.317
( MOVEMENT_FINISH_CUTTING)
G1 X-1.587 Y192.267
G2 X-1.142 Y193.397 I1.587 J0.027
G1 X77.701 Y274.997
G2 X78.816 Y275.481 I1.142 J-1.103
G1 X192.267 Y277.431
G2 X193.397 Y276.986 I0.027 J-1.587
G1 X274.997 Y198.144
G2 X275.481 Y197.029 I-1.103 J-1.142
G1 X277.431 Y83.578
G2 X276.986 Y82.448 I-1.587 J-0.027
G1 X198.144 Y0.847
G2 X197.029 Y0.363 I-1.142 J1.103
G1 X83.578 Y-1.587
G2 X82.448 Y-1.142 I-0.027 J1.587
G1 X34.367 Y45.314
X0.847 Y77.701
G2 X0.363 Y78.816 I1.103 J1.142
G1 X-0.786 Y145.63
( MOVEMENT_LEAD_OUT)
G3 X-1.109 Y145.942 I-0.317 J-0.005
G1 X-1.426 Y145.937
X-1.476 Y145.936 Z-1.496
X-1.524 Y145.935 Z-1.484
X-1.57 Z-1.465
X-1.613 Y145.934 Z-1.439
X-1.651 Y145.933 Z-1.407
X-1.683 Z-1.369
X-1.709 Y145.932 Z-1.327
X-1.728 Z-1.281
X-1.74 Z-1.232
X-1.743 Z-1.183
( MOVEMENT_CUTTING)
Z5
X-1.733 Y145.297
( MOVEMENT_PLUNGE)
Z1 F762
Z-2.683
( MOVEMENT_LEAD_IN)
X-1.729 Z-2.732 F351
X-1.717 Z-2.781
X-1.698 Z-2.827
X-1.672 Y145.298 Z-2.869
X-1.64 Z-2.907
X-1.602 Y145.299 Z-2.939
X-1.559 Y145.3 Z-2.965
X-1.513 Z-2.984
X-1.465 Y145.301 Z-2.996
X-1.415 Y145.302 Z-3
X-1.098 Y145.308
G3 X-0.786 Y145.63 I-0.005 J0.317
( MOVEMENT_FINISH_CUTTING)
G1 X-1.587 Y192.267
G2 X-1.142 Y193.397 I1.587 J0.027
G1 X77.701 Y274.997
G2 X78.816 Y275.481 I1.142 J-1.103
G1 X192.267 Y277.431
G2 X193.397 Y276.986 I0.027 J-1.587
G1 X274.997 Y198.144
G2 X275.481 Y197.029 I-1.103 J-1.142
G1 X277.431 Y83.578
G2 X276.986 Y82.448 I-1.587 J-0.027
G1 X198.144 Y0.847
G2 X197.029 Y0.363 I-1.142 J1.103
G1 X83.578 Y-1.587
G2 X82.448 Y-1.142 I-0.027 J1.587
G1 X34.367 Y45.314
X0.847 Y77.701
G2 X0.363 Y78.816 I1.103 J1.142
G1 X-0.786 Y145.63
( MOVEMENT_LEAD_OUT)
G3 X-1.109 Y145.942 I-0.317 J-0.005
G1 X-1.426 Y145.937
X-1.476 Y145.936 Z-2.996
X-1.524 Y145.935 Z-2.984
X-1.57 Z-2.965
X-1.613 Y145.934 Z-2.939
X-1.651 Y145.933 Z-2.907
X-1.683 Z-2.869
X-1.709 Y145.932 Z-2.827
X-1.728 Z-2.781
X-1.74 Z-2.732
X-1.743 Z-2.683
( MOVEMENT_CUTTING)
Z5
X-1.733 Y145.297
( MOVEMENT_PLUNGE)
Z-0.5 F762
Z-4.183
( MOVEMENT_LEAD_IN)
X-1.729 Z-4.232 F351
X-1.717 Z-4.281
X-1.698 Z-4.327
X-1.672 Y145.298 Z-4.369
X-1.64 Z-4.407
X-1.602 Y145.299 Z-4.439
X-1.559 Y145.3 Z-4.465
X-1.513 Z-4.484
X-1.465 Y145.301 Z-4.496
X-1.415 Y145.302 Z-4.5
X-1.098 Y145.308
G3 X-0.786 Y145.63 I-0.005 J0.317
( MOVEMENT_FINISH_CUTTING)
G1 X-1.587 Y192.267
G2 X-1.142 Y193.397 I1.587 J0.027
G1 X77.701 Y274.997
G2 X78.816 Y275.481 I1.142 J-1.103
G1 X192.267 Y277.431
G2 X193.397 Y276.986 I0.027 J-1.587
G1 X274.997 Y198.144
G2 X275.481 Y197.029 I-1.103 J-1.142
G1 X277.431 Y83.578
G2 X276.986 Y82.448 I-1.587 J-0.027
G1 X198.144 Y0.847
G2 X197.029 Y0.363 I-1.142 J1.103
G1 X83.578 Y-1.587
G2 X82.448 Y-1.142 I-0.027 J1.587
G1 X34.367 Y45.314
X0.847 Y77.701
G2 X0.363 Y78.816 I1.103 J1.142
G1 X-0.786 Y145.63
( MOVEMENT_LEAD_OUT)
G3 X-1.109 Y145.942 I-0.317 J-0.005
G1 X-1.426 Y145.937
X-1.476 Y145.936 Z-4.496
X-1.524 Y145.935 Z-4.484
X-1.57 Z-4.465
X-1.613 Y145.934 Z-4.439
X-1.651 Y145.933 Z-4.407
X-1.683 Z-4.369
X-1.709 Y145.932 Z-4.327
X-1.728 Z-4.281
X-1.74 Z-4.232
X-1.743 Z-4.183
( MOVEMENT_CUTTING)
Z5
X-1.733 Y145.297
( MOVEMENT_PLUNGE)
Z-2 F762
Z-5.683
( MOVEMENT_LEAD_IN)
X-1.729 Z-5.732 F351
X-1.717 Z-5.781
X-1.698 Z-5.827
X-1.672 Y145.298 Z-5.869
X-1.64 Z-5.907
X-1.602 Y145.299 Z-5.939
X-1.559 Y145.3 Z-5.965
X-1.513 Z-5.984
X-1.465 Y145.301 Z-5.996
X-1.415 Y145.302 Z-6
X-1.098 Y145.308
G3 X-0.786 Y145.63 I-0.005 J0.317
( MOVEMENT_FINISH_CUTTING)
G1 X-1.587 Y192.267
G2 X-1.142 Y193.397 I1.587 J0.027
G1 X77.701 Y274.997
G2 X78.816 Y275.481 I1.142 J-1.103
G1 X192.267 Y277.431
G2 X193.397 Y276.986 I0.027 J-1.587
G1 X274.997 Y198.144
G2 X275.481 Y197.029 I-1.103 J-1.142
G1 X277.431 Y83.578
G2 X276.986 Y82.448 I-1.587 J-0.027
G1 X198.144 Y0.847
G2 X197.029 Y0.363 I-1.142 J1.103
G1 X83.578 Y-1.587
G2 X82.448 Y-1.142 I-0.027 J1.587
G1 X34.367 Y45.314
X0.847 Y77.701
G2 X0.363 Y78.816 I1.103 J1.142
G1 X-0.786 Y145.63
( MOVEMENT_LEAD_OUT)
G3 X-1.109 Y145.942 I-0.317 J-0.005
G1 X-1.426 Y145.937
X-1.476 Y145.936 Z-5.996
X-1.524 Y145.935 Z-5.984
X-1.57 Z-5.965
X-1.613 Y145.934 Z-5.939
X-1.651 Y145.933 Z-5.907
X-1.683 Z-5.869
X-1.709 Y145.932 Z-5.827
X-1.728 Z-5.781
X-1.74 Z-5.732
X-1.743 Z-5.683
( MOVEMENT_CUTTING)
Z5
X-1.733 Y145.297
( MOVEMENT_PLUNGE)
Z-3.5 F762
Z-7.183
( MOVEMENT_LEAD_IN)
X-1.729 Z-7.232 F351
X-1.717 Z-7.281
X-1.698 Z-7.327
X-1.672 Y145.298 Z-7.369
X-1.64 Z-7.407
X-1.602 Y145.299 Z-7.439
X-1.559 Y145.3 Z-7.465
X-1.513 Z-7.484
X-1.465 Y145.301 Z-7.496
X-1.415 Y145.302 Z-7.5
X-1.098 Y145.308
G3 X-0.786 Y145.63 I-0.005 J0.317
( MOVEMENT_FINISH_CUTTING)
G1 X-1.587 Y192.267
G2 X-1.142 Y193.397 I1.587 J0.027
G1 X77.701 Y274.997
G2 X78.816 Y275.481 I1.142 J-1.103
G1 X192.267 Y277.431
G2 X193.397 Y276.986 I0.027 J-1.587
G1 X274.997 Y198.144
G2 X275.481 Y197.029 I-1.103 J-1.142
G1 X277.431 Y83.578
G2 X276.986 Y82.448 I-1.587 J-0.027
G1 X198.144 Y0.847
G2 X197.029 Y0.363 I-1.142 J1.103
G1 X83.578 Y-1.587
G2 X82.448 Y-1.142 I-0.027 J1.587
G1 X34.367 Y45.314
X0.847 Y77.701
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( MOVEMENT_CUTTING)
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( MOVEMENT_LEAD_IN)
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( MOVEMENT_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_LEAD_IN)
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( MOVEMENT_LEAD_OUT)
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( MOVEMENT_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_LEAD_IN)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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Z-11
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( MOVEMENT_PLUNGE)
Z-12 F762
( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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Z-11
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( MOVEMENT_PLUNGE)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_LEAD_IN)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_LEAD_IN)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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Z-11
X-0.667 Y138.715
( MOVEMENT_PLUNGE)
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( MOVEMENT_FINISH_CUTTING)
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( MOVEMENT_LEAD_OUT)
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( MOVEMENT_CUTTING)
Z15
( *** SECTION end ***)

( *** STOP begin ***)
( COMMAND_COOLANT_OFF)
G0 X0 Y0 F2500
( COMMAND_STOP_SPINDLE)
M5
M30
( *** STOP end ***)
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The file that I am using for milling is: DIYCNC_Grbl11
The file that I use for Laser cutting is: DIYCNC_Marlin20.

This issue started after I started switch back and forth between the files for different projects. I’d love to use just one but I don’t this that’s possible - with my limited knowledge of post processing.

The gcode is within a different reply. Because of the size, I didn’t want to include it again.

First, if this is the same machine just with a different attachment, then you have a problem. The two post processors are for two different firmware versions. Most MPCNC machines use Marlin, and GRBL has g-code commands that are not understood by Marlin. I don’t have a laser, so I’ve not tried Fusion/Marlin PP/Laser, but it should work. If it doesn’t, then the forum should be able to help you get it working. You should not have to swap between the two different post processors.

Second, you can attach g-code as an uploaded attachment, so the size of the file is not an issue.
UploadIcon

I don’t know of an cache in Fusion 360. When I’ve installed a post processor upgrade (or new post processor), it updates immediately.

The first step is figure out if the root of the problem is a firmware incompatibility. We need to know what firmware you are running (Marlin or GRBL), and we need to see the g-code file that is messing up.

Thanks for you continued help and support.

I am using Marlin for the LowRider. Does that mean that I should us DIYCNC_Marlin20 for all operations?

Here is the gcode.
1004.gcode (21.9 KB)

1 Like

Yes, for Marlin firmware, you should only be using the Marlin20. This g-code is obviously for GRBL and will have issues running on Marlin firmware. Note that Don Gamble has taken the Marlin20 post processor (written by Guffy), and improved it. See this topic for the latest version. If you are having trouble running a laser from the Marlin20 post processor (or the Don Gamble version), post back to the forum with the particulars.

Thank you for the solution! I have been able to get a milled part out of the LowRider. I will try the laser later this week.

Thanks again.

1 Like

Solution: I was using the wrong post processing file.

1 Like

The Marlin20 post processor also works for the laser.

Thanks to everyone how helped!!!