Homebrew CNC

>>1023379
> printer
What kind of fucked up weird printer was that?

Your design looks like junk. Give up.

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>>1023540
An old T-shirt printer, pic related.

>Your design looks like junk. Give up.
Y-you too.

So /diy/ doesn't into CNC at all..?

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I am also looking into CNC machines at the moment but for the purpose of milling PCBs, it requires very fine movement and high resolution so I'm not sure that a lot of sit CNC setups can achieve what I am looking for.

If you are looking at electronics I have to recommend the tinyg
http://synthetos.myshopify.com/products/tinyg
A lot of CNC controllers are tard-uino based and controlling 3+ axis and interpreting gcode pushes Arduino to its practical limit. The tinyg controller uses special motion planning algorithms to ensure super smooth translations for the purpose of CNC control.

>>1023379
You can use a RAMPS board, made for 3d printing. It can drive Nema23s adequately

Check out the mostly printed CNC.
http://www.vicious1.com/

You could use the software and electronics meant for it on your project.

>>1023993
Also I forgot to say, obviously you could "convert" your cnc to a 3d printer with just throwing a hotend on and changing a few settings.
The whole modularity of the Mostly Printed CNC is what makes it cool

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>>1023974
This is a great start. I know how to drive a stepper but as mentioned, the circuit and firmware required does not seem to be as extensively covered unless you know a "brand" name to look for and investigate. If nothing else reading up on how this board operates will fill in plenty of blanks, thanks anon.

Have you decided on your running hardware yet? Is "sit" CNC a typo or something google is unaware of?

>>1023993
>>1023997
Funny you mention 3DP, I considered setting up for it due to the large Z axis I have available but thought, controller wise, you could have either CNC or 3DP, not a hybrid, and went CNC because it would be more immediately useful to me. It looks like that RAMPS board has that shit covered. Mad. Time to work out how to interchange and extruder with the router.

>http://www.vicious1.com/
This is a crazy good resource, thanks man.

I used a "smoothieboard" for my printer. It's not as cheap as the other boards available, but it's really well documented. Afaik there are also some cheap chinese clones available, but I have no experience with those.

http://smoothieware.org/smoothieboard

The wiki also mentions some CNCs built with this biard.

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>>1023379

Hey op, yes I am in the process of converting this mill over to CNC.

For a controller I am using a raspberry pi 3 with the CNC hat by protoneer, all you have to buy is some pololu stepper drivers and flash their image of raspbian onto it and it's good to go. currently I am wiring up the end stops.

anyone have a suggestion on how I am going to run 6 wires into 1 common ground terminal?

>>1024497
Shit. Sit somehow was interpreted from diy.

Also yeah I have been looking into desktop grade CNC machines, some of the PVC frame models are pretty tempting if circuit board etching is the only thing I am doing. But I now I will kick myself if I settle, those things can't handle even the softest metal alloys.

There is that Chinese based cnc, the 3020 or whatever CNC. But it's made by dozens of no name companies based off a reference design that doesn't seem to exist anywhere, modding it might make for a good challenge though.