From: Robert Baer
X-Mailer: Mozilla 4.75 [en] (Win98; U)
Subject: Re: homebrew SMD pick'n'place/component holder?
Date: Thu, 09 Jan 2003 21:40:21 GMT
NNTP-Posting-Date: Thu, 09 Jan 2003 13:40:21 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
Ned Konz wrote:
> I'm trying to find a better (and faster) way than tweezers to hold 0603 and
> 0805 components while hand soldering.
> I figure that a manual pick and place tool of some sort would be helpful. To
> make it cheaper, I thought that a stationary head (a syringe with
> flat-ended needle connected to a switchable vacuum pump), spring loaded,
> and moving the board underneath would work.
> I'd pick the head up, grab a part with the vacuum, rotate the head by hand
> to the right orientation, and move the head down over the right spot on the
> board. This would hold the part in place while soldering.
> Perhaps a Dremel drill press could be made to work (luckily, I'm just making
> small boards right now).
> Has anyone run across ideas for a homebrew tool like this? I really don't
> want to get into a CNC machine, or to pay for something like a Fritsch
> manual p'n'p.
> Ned Konz
A decent vacuum pump, connected to a hollow needle (similar to those
supplied with the universal ink fillers for inkjets) should do fine.
It may be a ggod idea to add an entry port just before the needle
part; use finger as a stopper so the system works when you want, and
remove finger when you don't.
I tried this and it failed miserably because the vacuum source was
flaky as all hell; have not re-tried the idea (am too lazy to make a
better vacuum source).