Fusion 360 Post-processor

Discussion/questions about software used with your CNC Shark and programming issues

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Re: Fusion 360 Post-processor

Postby JayMcClellan » Thu Dec 08, 2016 5:00 pm

Yeah I understand, the cloud-based storage of Fusion is definitely a tradeoff. I like being able to collaborate with others remotely on a shared project and also the fact that all my projects are continually backed up and availabile on all my PCs but I'd be wary of it if I were developing anything really sensitive. AutoDesk has a big vested interest in protecting customers' privacy but still, it's a consideration. It does work without an Internet connection but it's not the usual case so I don't know how well it works in that mode. On the up side you get a lot of capability for free so I'd say just be informed and weigh it accordingly. Personally I'd have no worries about sharing any of the projects I've done so far but that's just me. The virus potential doesn't worry me at all but I'm a software developer and can't live without an Internet connection.

I also understand about software you're familiar with vs something new. I'm still slower working in Fusion than in VCarve or SketchUp, but I'm trying to do most things in Fusion in order to keep learning it and it is getting easier. Once I've learned my way around I feel it will be just as fast and WAY more powerful than my alternatives, especially since I can use it for 3D printing too. I already printed a 1/2 scale plastic model of the guitar neck I'm designing, and once it looks right I can use the Shark to "print" it in wood.
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Re: Fusion 360 Post-processor

Postby tezblount » Sat Mar 24, 2018 4:41 pm

Jay I downloaded your post processor and it seemed to work initially. I am using Fusion360 to generate an oval pocket. The post works but when I tried to cut air it stopped at a line that began some I and J moves. Any idea what to do to get past this?
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Re: Fusion 360 Post-processor

Postby Shanti02 » Mon Nov 12, 2018 11:39 am

JayMcClellan wrote:Here's a Fusion 360 CAD+CAM introduction video. It's titled a "tutorial" but he goes rather fast through some steps so it seems to me more like an introduction to give you a flavor of what it can do, not really a step-by-step tutorial. The first and longest part of it covers the CAD drawing functionality, and again it's more of a whirlwind tour than a training course so don't expect every step to be fully explained but you can see what drawing in Fusion is like. The workflow of going from 2D "sketches" to 3D geometry took some getting used to, but I'm really warming up to it. Then there's a somewhat outdated (and to me, boring) section in the middle where he talks about licensing etc. so you could skip that part if you like, and then he goes back to the software and spends a few minutes on the CAM functionality and shows how to generate a simple toolpath.

https://www.youtube.com/watch?v=o-GBpUZ3piYobtenir crédit

This is just one of the first intro videos that I happened to find, and if you search for "Fusion 360" on YouTube you'll find lots of others. It's really a very powerful program, with a corresponding learning curve. But after a few hours I was able to draw a moderately complex part, generate toolpaths, and then machine it successfully on my Shark. It would have taken me less time in VCarve because I'm more familiar with it, but now that I'm learning my way around Fusion I don't expect I'll go back to VCarve. One of my interests is to model guitar necks in CAD and then carve them on the Shark, and what makes Fusion especially attractive is that it's a parametric 3D CAD program. That means I can dimension some of my geometry using symbolic parameters instead of fixed numbers, and when I enter new parameters (e.g. a different scale length or taper for the neck) it will automatically adjust all the 3D geometry and generate new toolpaths. So basically once I have the model working right, I can just enter all my desired neck dimensions in the parameter page and have toolpaths for it in minutes. That's just one example but it's the kind of capability you get in exchange for climbing the learning curve. If you're doing relatively simple things then you might find VCarve sufficient for your needs and Fusion might not be worth the time to learn, but if there's something you wish VCarve could do then there's a good chance Fusion can.

OK thank you for the link
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