Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "Derek Barger" <Denvercnc@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, September 21, 2006 12:27 AM
Subject: Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.


>I just went to the Cadsoft website under ulp I still don't see the
> file with the name smd-coordinate.ulp. You are probably right there is
> better way to do it. If I ever find this ulp I will give it to Steve
> to try. At the time that we did it there was nothing we found that was
> available. You need 2 different reference points the center of the
> part for pick and place and the center of each pad for solder paste.
> One axis sorting does not give you the optimal g-code with the fewest
> moves. Pads right next to the other pad will be skipped and come back
> to latter. An intelligent sort that can handle 2 axises at the same
> time is what is needed.

The Pulsonix software I use can output a pick and place file, here is part
of one for one of my boards:

Ref Part Name Side Placement Centre Rotation

IC1 16F88 Top (363.22,570.23) 0
CONN1 2X1 Top (349.92,591.18) 90
CONN2 3X1 Top (343.61,558.16) 0
CONN3 Top (343.61,547.37) 0
IC3 78L05 Top (350.52,585.47) 270
C1 C1 Top (354.33,556.89) 0
C2 Top (356.24,539.75) 180
C3 Top (361.95,539.75) 180
C4 Top (356.24,542.29) 180
C5 Top (361.95,542.29) 0

Leon
--
Leon Heller, G1HSM
Suzuki SV1000S motorcycle
leon.heller@...
http://www.geocities.com/leon_heller