[sdiy] Need help with a SMD kit (OT?)
Roman Sowa
modular at go2.pl
Wed Jul 19 13:08:36 CEST 2017
That's almost exactly my way too, except I don't use water soluble flux.
And to encourage anybody hesitating to enter SMT world, here's a picture
of soldering job done by 6-years old little girl. TSSOP16 (0.65mm pin
pitch), SAC305 lead-free solder, 1.2mm bent chisel tip, RMA-7 flux gel:
http://www.synthdiy.eu/files/linkowyscalak.jpg
It's so easy a child could do it. OTOH you need also child eyes, but
then a microscope comes handy.
Roman
W dniu 2017-07-19 o 11:48, mark verbos pisze:
> I’m with Roman. Sure, I have hot tweezers, hot air, a pick and place
> machine….
>
> 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.
>
> Do a few projects with it, and you’ll never go back. I promise.
>
>
> Mark
>
>
>> On Jul 19, 2017, at 1:58 AM, David G Dixon <dixon at mail.ubc.ca
>> <mailto:dixon at mail.ubc.ca>> wrote:
>>
>>
>> SMD was developed for robots. I don't feel a need to hone a skill to
>> compete with a robot, thanks.
>>
>>>
>>> On 18 Jul 2017, at 22:23, David G Dixon <dixon at mail.ubc.ca
>>> <mailto:dixon at mail.ubc.ca>> wrote:
>>>
>>>> This post sums up why I simply will not do SMD by hand. Not...
>>>> worth... the... frustration.
>>>>
>
>
>
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