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2023-11: Warosu is now out of extended maintenance.

/diy/ - Do It Yourself

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1505901 No.1505901 [Reply] [Original]

If I wanted to get a good PCB milling machine so I can make PCBs at home, what machine should I go with?

the obvious seems to be either bantam or a chink shit machine off alibaba; although I've seen poor quality come off the cheapo CNC without the auto-leveller, (which begs the question why don't they just add this. 1 wire and a bit more code, no? )


anyone have any ideas?

>> No.1505908

>>1505901
ask /g/

>> No.1505910
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1505910

>>1505908
> ask a brand worshiping hive of scum and consumerfaggotry about actual technology
What did OP ever do to you faggot?

>> No.1505913

>>1505901
What are the important qualities a pcb milling machine has to have over say, a router or a cnc mill?

>> No.1505918

>>1505910
>seeting this much over a mention of a board

>> No.1505924

>>1505913
this.
why cant you just pop a copper clad pcd in a generic desktop cnc?

>> No.1505932

Guess I'm just the old bastard that still uses enchant.

>> No.1505933

>>1505932
fucking spill check

etchant

>> No.1505961

>>1505901
>someone with ancient CNC mill with good hardware, faulty electronics calls up the PCB repair man

>fat swarthy man with a giant neckbeard waddles up with his bambam tools CNC PCB printer under his arm

>plops it down on the floor next to the giant aged mill

>"so eh it's been down for a h'while now.."

>"shush! says the 4chan neckbeard hurridly

>locates and diagnoses the problem, "ahyep, that'll be the problem. one moment."

>scans part with phone app, fancy PCB printer spins to life and prints a new circuit board for it

Is this where maintenance of electronics is headed? It almost sounds like a better future. Where obsolete electronics are still useable.

>> No.1506011

>>1505961
>you've just made a PCB, that's crappier then what $2+$10 shipping will get you from China
Where you plan on getting the obsolete parts? Caps and resistors are reasonably easy to substitute with modern ones, but good luck finding anything ancient with silicon in it.

>> No.1506019

>>1506011
granted it's not fully fleshed out yet

>> No.1506022

>>1506011
That's where IoT comes in. Geberic Chip on new board connects to server and either simulates Output of the old one or downloads code to program onboard fpga to behave like it.

>> No.1506123

Holy fuck, you could build an all metal CNC with probably 4 x 8 ' cutting capacity for the price of that tiny thing, and it could still mill PCBs just fine.

>> No.1506126
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1506126

pic related will mill you a pcb
200€ on ebay

>> No.1506159

PCB dust is BAD, you really need to manage that shit somehow.

>> No.1506192

>>1506159
noted.

>>1506126
>>1506123
https://www.youtube.com/watch?v=_ak0IJUMBFg

>>1505924
>>1505913
if it works it works. I'm happy.


I actually do already have one of those alibaba chink shit CNCs but I haven't used it yet because

1. It doesn't have limit switches attached
2. I want to put in autolevelling.

but if there's something out there that does a good job for cheap, I'm all ears.
the bantam one in the OP looks to me to just be a cheap CNC, with acryllic case, and maybe some other random little tidbits. Why is it so fucking expensive? am I missing something?

>> No.1506195

>>1505908
:^)

>> No.1506396

>>1506192
the resulted pcb look ok but the guy just dont know how to deal with smd soldering
also the drill bit he used maybe to big, but the machine precision seem to be enough for the job

>> No.1506408

>>1505901
You can get a tormach for that money.

>> No.1506409

Why not just etch them?

>> No.1506421

>>1506409
Etching is a fucking mess, if you intend to make more than one pcb a week then I'd get a router asap

>> No.1506971

>>1506421
>>1506409

I want to make a couple of boards for myself and a bunch of buddies.

>>1506408
what product? I only saw 8k+

I like the rental options though,

we're a small group but we really don't want to waste time dealing with a cheapo alibaba machine that'll fuck up like in the video I linked above.

we're also looking at some roland (for the rental options) but we haven't quite dealt with PCB machining, and we've got some upcoming projects that we want to churn out.

>> No.1506997

>>1506192

How accurate does the Z height need to be for PCB milling? 1 thou? 5? half-thou?

>> No.1507239

Why not use a laser etcher and copper board with UV resist? Get one with a blue laser and you can just laser out your design and then use etching liquid.

Or look for PCB CNC on Ali.

>> No.1507241

>>1507239
Alternatively you could use a fairly strong laser and just ablate the copper off.

>> No.1507472

>>1506997
1 thou is probably a sweet spot?

>>1507241
>>1507239
too dangerous with laser, don't want to etch.

the CNC off ali seems reasonable but we want a good one so we'd probably go with the bantam

>> No.1507488

>>1506997
that depends on how tight your board traces are

>> No.1507598

>>1506022
This has got to be the most retarded thing I've read on /diy/.

>> No.1507611

>>1507239
Dang, now I want a dlp board etcher.

>> No.1507951

>>1505918
hes not wrong though. /g/ used to have actual discussion but has devolved into generals showing off consumerism, and memeing brands.

if you wanted to buy the most *popular* electronics, thats who to ask.

>> No.1508192

>>1505901
How the fuck is that thing 5 grand? It's all 3d printed with like $200 in linear hardware. It looks premium so I'd pay 1k at most.

>> No.1508306

>>1508192
that's literally what I'm thinking.

and what's worse is the minimal improvements needed to get the alibaba cncs to a "good level" but I really don't have the time to work on it :(

I already have 3 side projects on top of my 50 hour work week

>> No.1508510

>>1506971
Basic 440 is 6k.

>> No.1508674

>>1506192
The problem is not the machine, but Great Scott that just don't know how to use it.
And his soldering job is just awful.

>> No.1508869

>>1508510
This is true, the machine by it's self is $6k, no stand or enclosure or any fancy stuff. Probably a waaay better machine than OP's PCB box though.

https://www.tormach.com/store/index.php?app=ecom&ns=catshow&ref=PCNC440_STARTER_PKG&portrelay=1

>> No.1508870

>>1508869
The controller is just a desktop with a parallel port card installed and pathpilot installed on it for $800. You could save a few bucks by building your own, but I wouldn't just because their machine is so well tested.

>> No.1508994

Design your own machine, buy a simple 3d printer and the necessary hardware from aliexpress now just print and assemble, a piece of cake.

>> No.1509006

>>1506997
1 step on an ordinary nema 17 is 1.8°
The lead on an ordinary screw is 2mm so 0.01mm (under half a thou) is easily doable with equipment that costs dollars (motor $8 and screw $5)

>> No.1509207

>>1508869
But can you pick up your tormach and carry it around your cuckshed to make room for other stuff?
I think not.

>> No.1509208

>>1509207
pallet jack anon, pallet jack.

>> No.1510673

>>1505901
I`m making one out of cd parts reader and PICs

>> No.1510677

>>1510673
Just for small PCBs, and just for drawing some simple traces because
>no third axis