[sdiy] Personal Pcb milling machines ???

[john slee]

ooh that's quite interesting, the guy I mentioned from the local
hackerspace doesn't do anything like that. I don't know if our CNC is even
capable of that kind of closed-loop system. Figuring out Z was one of the
things he spent the most time on up-front.

so it can be done without that, but it does sound like it makes it a whole
bunch easier

interesting thread!

John



On 1 January 2016 at 01:45, Robert Spencer <rob at gmsn.co.uk> wrote:

> Is there special hardware required for the Auto-Level function on
> ChilliPepper?
>
> Rob Spencer
> GMSN!
>
> From: Synth-diy <synth-diy-bounces at dropmix.xs4all.nl> on behalf of Julien
> Delgoulet <jdelgoulet at free.fr>
> Date: Thursday, 31 December 2015 01:47
> To: Dan Snazelle <subjectivity at hotmail.com>
> Cc: sdiy <Synth-diy at dropmix.xs4all.nl>
> Subject: Re: [sdiy] Personal Pcb milling machines ???
>
> Have a look at CNC like the shapeoko. Users have successfully mill PCB for
> thru hole and SMD. One of the key thing is having a floating head (like on
> some LPKF) or having the software calculate the planearity of the board
> (like http://chilipeppr.com/tinyg does)
>
> For drilling there are some softwares that make use of a camera and some
> manually registered holes to create a transformation matrix to prevent you
> from having to perfectly align the board.
>
> Le 30 déc. 2015 à 23:10, Dan Snazelle <subjectivity at hotmail.com> a écrit :
>
> Thanks for all the advice !!!!
>
> Sent from my iPhone
>
> On Dec 30, 2015, at 4:43 PM, rsdio at audiobanshee.com wrote:
>
>
> I didn't realize you were talking about milling the entire PCB, rather
> than just drilling the holes after etching the copper through some other
> means. Metrix has done both. They originally used the milling machine for
> the whole process, then they got an LPKF Protolaser S that can cut 2 mil
> trace / space PCBs without breaking bits. They now use the milling machine
> for drill holes only, thus the need for registration points when moving the
> board from one process to the next.
>
>
> My point is that the equipment costs can be shared if you live in an area
> where there are other PCB designers.
>
>
> Brian
>
>
>
> On Dec 30, 2015, at 11:09 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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