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From: karl AT aspodata DOT se
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] [pcb-rnd] parametric footprint: dimensions, qf(), qfn() and tqfp()
In-reply-to: <CAM2RGhRqe0aMjby+sKG+1TaGkuFiiUjFR6inLAP-BvvqW5TphQ@mail.gmail.com>
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Comments: In-reply-to "Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
   message dated "Sun, 30 Aug 2015 21:47:17 -0000."
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Date: Mon, 31 Aug 2015 05:57:43 +0200 (CEST)
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Evan Foss:
> On Sun, Aug 30, 2015 at 9:06 PM,  <karl AT aspodata DOT se> wrote:
> > Evan Foss:
> >> On Sun, Aug 30, 2015 at 5:49 AM,  <karl AT aspodata DOT se> wrote:
> > ...
> >> > I have some mech. dimensions in
> >> >
> >> >  http://turkos.aspodata.se/git/openhw/share/pcb/gen.pl
> >> >
> >> > lines 2064-2079:
> >> >
> >> > 'size   ID    BRB M6S MC6S MCS  MRX  MFS
> >> > M1.6   1.84   4   5   3.3  3.3  4.3  3.7
> >> > M2     2.34   5   6   4.3  4.3  5    4.6
> >> > M2.5   2.84   6   8   5    5    6    5.7
> >> > M3     3.38   7   8   6    6    7    5.7
> >> > M4     4.48   9  11   8    8    9    9.7
> >> > M5     5.5   10  11  10   10   11   10.7
> >> > M6     6.6   12  13  11   11   13   12.9
> >> > M8     8.6   16  18  15   15   18   17.7
> >> > M10   10.8   20  24  18   18   22   20.4
> >> > M12   13.3   24  26  20
> >> > M16   17.3   30  33  26
> >> > M20   21.3   37  40  33
> >> > M24   25.3   44  48  40
> >> > M30   31.4   56  61  48
> >> > M36   37.6   66  71  57';
> >> >
> >> > with generated footprints in
> >> >
> >> >  http://turkos.aspodata.se/git/openhw/share/pcb/_mechanical/
> >>
> >> Thanks but I thought it would be cool if they worked via the same interface.
> >
> > Nothing stops you from using the dimensions above in whatever interface
> > you want, I'm just giving you some more data points (which are based
> > on national standards which are based on some iso standards).
> 
> Nice! Now that you have don't this can you please describe BRB, M6S
> and the other fields in the top row?

Ahh, sorry for that. Look at p119 and p122 of:

 http://turkos.aspodata.se/tmp/090330Teknikhandboken_72_dpi_090327.pdf

I don't know the english names, but look att the pictures on the 
following pages:

 BRB = round washer, n.1 on p119
 M6S = hex head machine screw, n.1 on p122
 MC6S = n.3 p122
 MCS = n,4 p122
 MRX = n.5 p122
 MFS = n.6 p122

p108..131 contains tables for different kind of screws. You could 
possible find similar descriptions in your own language somewhere else 
on the Internet.

Regards,
/Karl Hammar

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