I made the hold down clamps especially for milling layouts. I wanted
clamps that hold the board but doesn't overlap the board so that i could
mill to the edges of the board without interfering with the clamps.
Therefore i created them on my lathe with a small sharp flange at the
top which is pressed from the side into the board. The clamps on the
down and left side are at a fixed position. For the upper and right
clamps i drilled an excentric mounting hole so i could tighten the
clamps against the edges of the board. Because of the mellow material of
these boards this works quite good. Only the material i have used is not
the best because it begins to corrode. Maybe i made the next clamps of
stainless steel. :)
I made two new photos of the clamps at [1] and [2] (high resolution with
"download 3072" button).
Ciao,
Rainer
[1] https://quakeman.homelinux.net/bilder/details.php?image_id=7534
[2] https://quakeman.homelinux.net/bilder/details.php?image_id=7535
Am 24.07.2010 07:30, schrieb mach3:
> Nice setup. Looks like it works nice and smooth.
>
> Maybe it's just my inexperience, but I haven't seen hold down clamps like
> that before. Can you describe/show how they work? They look pretty cool.
>
> Michael
>
> -----Original Message-----
> From: Fox Mulder [mailto:quakem...@gmx.net]
> Sent: Thursday, July 22, 2010 6:41 AM
> To: emc-users@lists.sourceforge.net
> Subject: [Emc-users] My first try to mill a simple layout
>
> Hi,
>
> i just want to show my first mill experience with my selfmade CNC and
> EMC. :)
>
> I tried a simple layout example from eagle which i converted to g-code
> with pcb-gcode from [1]. The layout only consists of a quadratic wire
> and two letters in the middle. I filmed the milling process and uploaded
> it to youtube at [2].
>
> I did take pictures through the various build processes of my CNC and
> uploaded them on my own picture gallery at [3]. I use a self signed
> certificate, so you have to persuade your browser to surf to my site.
>
> For the first try i think the result is quite good but i have to do more
> testing. And i also want to build a special floating head for milling
> layouts because i think that it would produce better results for larger
> areas. But this comes when i have played a bit more. :)
>
> Ciao,
> Rainer
>
>
> [1] http://www.pcbgcode.org/
> [2] http://www.youtube.com/watch?v=7xjv8QPoLzw
> [3] https://quakeman.homelinux.net/bilder/categories.php?cat_id=169
>
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