Fusion 360 and G41 G42

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Re: Fusion 360 and G41 G42

Postby ger21 » Thu Jan 09, 2020 11:43 am

I don't have Fusion here to look at it, but I don't think it will work with wear comp.
I think it will only work with "In Control".
I'm by no means a Fusion post expert, and only spent a few minutes getting it enabled in this post.

Not sure how "Wear" even would work with UCCNC, as UCCNC doesn not have a wear offset or wear diameter setting?
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Re: Fusion 360 and G41 G42

Postby Robertspark » Thu Jan 09, 2020 12:27 pm

https://www.youtube.com/watch?v=OacA5R0KUKM

I thought "wear" was to compensate for the tool wearing (automatically) buy adjusting the tool diameter relative to the run hours of the tool, but I guess that is not how it is being used here as it is a static offset value.
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Re: Fusion 360 and G41 G42

Postby Delco » Fri Jan 10, 2020 12:23 am

Wear goes by numerous names , cutter compensation , wear etc .

Incontrol , wear or inverse wear would be selected in fusion depending on how your motion contoller want to see it - just need to work out how the post processor and the motion control software work together which is way above my pay grade.

It seems the post processor is the part that lets down all the notion control software system , the people like fusion/aspire want to sell/use their product so they support well the big players , the motion control people make a good product but dont develop the post processors in conjuction with the software guys to suit their product but leave it to the cam guys who have no real interest in the small players.

I see it being used in Mach3 and Pathpilot though

my understanding of how it should work from years ago in industry is after doing a run you measure a part , if its off by 0.0025 then you would adjust your wear offset value in the tool table for that tool , so next time you run the part it accounts for the fact the tool is cutting to a slightly different size , depending on how your tool wear or tolerence is you would inspect the part and compensate every "x number " parts for any tool wear.

I find the tools I buy dont measure exactly or cut to the exact size I have setup in the cam tool table so at present I have to go back into cam , modify the tool diameter to compensate then repost the gcode , after doing a test cut. then make a adjustment again repost gcode and retest - this is fine but the computer I use for fusion is in a different building to where my machine , would be so nice to do it on the machine.

https://www.autodesk.com/products/fusio ... pensation/
Last edited by Delco on Fri Jan 10, 2020 12:35 am, edited 1 time in total.
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Re: Fusion 360 and G41 G42

Postby cncdrive » Fri Jan 10, 2020 12:32 am

Yes, tool wear compensation can be done by adjusting the tool diameter.
For example a 8mm dia tool becomes 7.95mm in dia from wear then the diameter value in the tool table can be adjusted to 7.95mm.
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Re: Fusion 360 and G41 G42

Postby Vmax549 » Fri Jan 10, 2020 1:20 am

It is possible to have a proper tool table in UCCNC. But it is up to UCCNC if they want to create and support one.

Just a thought (;-) TP
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Re: Fusion 360 and G41 G42

Postby formantjim » Sat Mar 28, 2020 1:13 pm

Hi Ger21 I have just added a laser to my CNC machine and been struggling with the post processors in Inventor CAM HSM or whatever they want to call it. I'm just switching from Mach 3 to UCCNC and loving the new screen set I'm using the 1.2113 version although I downloaded and installed what was labelled as 1.2115.

This new dark theme is truly fantastic and the quality of the graphics makes everything much easier to see well done.

Earlier in this thread you posted a post processor that appears to work for getting the error to disappear when posting the gcode. The M10 and M11 commands are there in the Gcode but UCCNC seems to ignore them and so the laser stays on whilst moving. I was testing the software in demo mode on another PC not the PC I use on the machine could this be the reason?
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