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<DIV dir=ltr align=left><SPAN class=973233415-19072017><FONT color=#0000ff
size=2 face=Arial>What's all this "flipping the board over" and "parts falling
out" business? I stuff all resistors and diodes, hold a small piece
of wood over them, flip once and set down on the piece of wood,
solder all joints, then snip clean. Then I do all sockets, again, stuff,
flip once, solder all joints. Then I finish with all the random parts that
have random heights. Soldering TH joints takes about 2 seconds per joint
once you get a rhythm going. Plus, I can stuff parts in front of the TV in
my easy chair, then carry the stuffed board out to the garage for soldering if I
want to. That's my usual plan when it's too warm or cold in the
garage.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=973233415-19072017><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=973233415-19072017><FONT color=#0000ff
size=2 face=Arial>Parts do require some preparation, but I lay out all
of my boards so that the resistor leads are 0.4" apart, and for
the standard 1/4W resistor, all this requires is to bend the leads at a
90-degree angle to the resistor body with my fingers. Then I
snip the leads to about 1 cm. Sometimes I bend all then snip all, and
sometimes I bend and snip each one at a time. This I consider a part of
the procedure of retrieving the resistors from their respective
packages.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=973233415-19072017><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=973233415-19072017><FONT color=#0000ff
size=2 face=Arial>For SMD, one has to get the resistor off of a tape. 9
times out of 10, I drop the resistor during this process. With TH, I can
prepare all of my parts, lay them out on the bench if I want to and compare them
with my BOM. Then I can stuff them in a completely organized
fashion. I always find the stuffing of my own boards to be a completely
pleasurable process, very relaxing. I could literally do it all day (and I
plan to after I retire from my day job in 2020).</FONT></SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> Synth-diy
[mailto:synth-diy-bounces@synth-diy.org] <B>On Behalf Of </B>mark
verbos<BR><B>Sent:</B> Wednesday, July 19, 2017 2:49 AM<BR><B>To:</B>
synth-diy@synth-diy.org<BR><B>Subject:</B> Re: [sdiy] Need help with a SMD kit
(OT?)<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>I’m with Roman. Sure, I have hot tweezers, hot air, a pick and place
machine….</DIV>
<DIV><BR></DIV>
<DIV>But I switched entirely to SMD about 10 years ago. Initially used 1206
passives. I will NEVER go back. It takes way more time to assemble through
hole, with all the flipping the board over and parts falling out/sticking up
too high. The PCBs are way more cramped and annoying to layout in TH. I build
all of my prototypes with mostly 0603 passives by hand using nothing more than
a fine tipped iron. Also, I use lead free, organic water clean flux. I wash
the PCB with hot distilled water and the results look like a professional
machine built PCB. I don’t mess with breadboards, I just go from a drawing to
a PCB. When something needs to be reworked, I use wire-wrap wire and hang
parts off the board. Then make the changes to the PCB file for the
future. </DIV>
<DIV><BR></DIV>
<DIV>Do a few projects with it, and you’ll never go back. I
promise. </DIV>
<DIV><BR></DIV>
<DIV><BR></DIV>
<DIV>Mark</DIV>
<DIV><BR></DIV><BR>
<DIV>
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<DIV>On Jul 19, 2017, at 1:58 AM, David G Dixon <<A
href="mailto:dixon@mail.ubc.ca">dixon@mail.ubc.ca</A>> wrote:</DIV><BR
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<DIV dir=ltr align=left><SPAN class=312215223-18072017><FONT color=#0000ff
size=2 face=Arial>SMD was developed for robots. I don't feel a need to
hone a skill to compete with a robot, thanks.</FONT></SPAN></DIV><BR>
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<DIV>
<DIV>On 18 Jul 2017, at 22:23, David G Dixon <<A
href="mailto:dixon@mail.ubc.ca">dixon@mail.ubc.ca</A>> wrote:</DIV><BR
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<DIV dir=ltr align=left><SPAN class=103502221-18072017><FONT
color=#0000ff size=2 face=Arial>This post sums up why I simply will not
do SMD by hand. Not... worth... the...
frustration.</FONT></SPAN></DIV><BR></DIV></BLOCKQUOTE></DIV></DIV></DIV></BLOCKQUOTE></DIV></DIV></BLOCKQUOTE></DIV><BR></BLOCKQUOTE></BODY></HTML>