[sdiy] Fwd: Re: Personal Pcb milling machines ???

[charlie wallace]

That one did take quite a few hours it's an automotive ecu design  that I
wanted proof the machine could make before I bought it. So chris milled it
out ir me on both sides.

NASA and Nokia both bought the same or similar machines for internal stuff
too .

Fr4 is hard on bits but the bits just aren't that expensive. As for
cleaning up it has a vacuum attachment that switches on and off
automatically as it's cutting so it's perfectly clean after irs done.

On some boards I've dipped them for 30 seconds or so just to clean up any
loose copper

I use seeedstudio. Itead. Advanced circuits and silver circuits for runs
but having the mill is really useful . Plus it does cut other things and is
fast spindle and quite accurate

In the years I've had it all I've done is occasionally change the 5cm
rubber belt on the spindle drive and it comes with three of them .

Technology has come a long way and costs have decreased a lot. Especially
bits.
On Dec 30, 2015 1:23 PM, "Chris Juried" <cjuried at yahoo.com> wrote:

> Charlie,
>
> That is quite a respectable "Home-made" PCB. On a board like and/or
> similar to the one in your example, what is your turn-around time from the
> point you hit the GO button?
>
> Sincerely,
>
> Chris Juried
> Audio Engineering Society (AES) Member
> InfoComm-Recognized AV Technologist
> http://www.JuriedEngineering.com <http://www.juriedengineering.com/> (Juried
> Engineering, LLC.)
> http://www.TubeEquipment.com <http://www.tubeequipment.com/> (Tube
> Equipment Corporation)
> http://www.HistoryOfRecording.com <http://www.historyofrecording.com/>
> (History of Recording)
>
>
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> ------------------------------
> *From:* charlie wallace <charlie at finitemonkeys.com>
> *To:* SDIY List <synth-diy at dropmix.xs4all.nl>
> *Sent:* Wednesday, December 30, 2015 3:11 PM
> *Subject:* [sdiy] Fwd: Re: Personal Pcb milling machines ???
>
> Whooops
> ---------- Forwarded message ----------
> From: "charlie wallace" <charlie at finitemonkeys.com>
> Date: Dec 30, 2015 12:11 PM
> Subject: Re: [sdiy] Personal Pcb milling machines ???
> To: <rsdio at audiobanshee.com>
> Cc:
>
> I have an accurate cnc 560h for about 5+ years now. It's been great
> resource
> It has a camera for fidicuals. You cut one side.  Drill and align by two
> droll holes it marks out
> I can do 4 mil repeatable and everything I do is smd. I use the lpkf
> rivets for vias and we picked up an electro plater off ebay for a few k
> I've made 100s of prototypes at home on it over the years it's been
> great.
> The bits I pick up from precise bits and there's Andrews bits on ebay you
> can get them for less than 10$ drill bit city has lots of drills for cheap
> I have only broken a couple of bits  on it. Usually router bits while
> cutting because I hadn't setup the software correctly and had never noticed
> https://charliex2.files.wordpress.com/2009/08/a360_test1a.png example cut
> Chris over at accurate cnc has been great resource .
> People often pop over at the weekend to my place to make something and
> it's a great teaching resource where people can go from learning to making
> a board
> On Dec 30, 2015 11:12 AM, <rsdio at audiobanshee.com> wrote:
>
> Metrix Create:Space here in Seattle has a milling machine that they use
> and also make available by the hour for customer projects. I don't know its
> capabilities, but I do recall that drill bits break, and alignment is done
> by drilling guide holes before the PCB is fabricated - so that the drilling
> can line up with the traces. I also don't recall how long it takes to
> complete a board.
>
> I believe it's a lot of work to master the many steps required to finish a
> board this way. I suppose it can be faster than ordering a board from an
> outside shop, but you'll be spending a lot of time that you could use more
> productively on something else.
>
> Brian
>
>
> On Dec 30, 2015, at 6:18 AM, Dan Snazelle <subjectivity at hotmail.com>
> wrote:
> > Does anyone on here own a pcb Miller ? I am starting to spend a lot on
> quick prototypes and am just wondering if throwing down a couple grand
> would mean I could go straight from a gerber to a testable board in an hour
> >
> > But I'm sure there are downsides
> >
> >
> > Any info appreciated!!
> >
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