Fusion 360 Post not returning to Home

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01 Aug 2020 13:03 #176777 by my1987toyota
hello every one
when I ran my first G-code in linuxcnc it basically did everything like I expected it to , until M30. I know
I am still an infant when it comes to Linuxcnc so the problem has got to be on my end . I am using the Fusion 360
post processor . when I have run other fusion 360 posts ( GRBL and Mach3 ) they would generally finish with

Mach 3
G28 G91 Z0.
G90
G28 G91 X0. Y0.
G90
M30

GRBL
G28 G91 Z0
G90
G28 G91 X0 Y0
G90
M5
M30

However Linuxcnc post outputs this
G0 Z0.
G53 Z0.
M30

and the machine will not return to the X0. Y0. position or home for that matter. I can manually add it to the code and it will
return to the expected positions. So my questions are-
Why does the Fusion 360 post processor not include the X0. Y0. as default?
Does the Fusion 360 post processor need adjusted for my needs ?
Is their some Linuxcnc setting I should check / adjust ?

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01 Aug 2020 13:26 #176779 by tommylight

my1987toyota wrote: Does the Fusion 360 post processor need adjusted for my needs ?
Is their some Linuxcnc setting I should check / adjust ?

Yes and no.
See if Fusion uses header/footer stuff or just needs editing the actual post processor.
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01 Aug 2020 13:45 #176783 by my1987toyota
Thanks tommylight. I will look it over through this weekend.
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04 Aug 2020 01:33 - 04 Aug 2020 02:11 #177152 by my1987toyota
looks like fusion 360 post processor for linuxcnc was the culprit . I compared it with the other versions to see what the difference is.
essentially they commented out the line that wrote the X and Y axis return to the 0 or origin position ( line 1443 writeRetract(X, Y);
when you look at the cps file ). I will need to confirm this when I get to work tomorrow. If I am right I will need to save it as a custom post
processor so that every time fusion updates they can't erase my changes. :angry:

So this brings up a question
Is this issue something I should make a video about so others can fix their post if they are having the same issue?
( keep in mind I am NOT an expert by any stretch of the imagination )
Last edit: 04 Aug 2020 02:11 by my1987toyota.

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04 Aug 2020 04:15 #177171 by machinedude
i would save a copy to your computer and when you post you should have a option to use the one on your computer rather than the cloud version. this way you don't have to worry about losing what you alter.
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06 Aug 2020 00:36 #177448 by my1987toyota
thanks machinedude for reminding me that fusion 360 does allow me to do that.

https://youtu.be/2GpYLkgW0hk

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