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Wave soldering and re-flow soldering are both used. Try Google.I have noticed that boards with leads/dips made in fabrication plants are
soldered almost to perfection.
What sort of machine is used to do this?
Can this be copied at home?
Actually, I do hotplate reflow at home and it works really well. IRe-flow might work at home, but would probably impractical.
I thought reflow was only for SMD parts. You cant do that on dip/leadActually, I do hotplate reflow at home and it works really well. I
have a syringe of paste, and I dab it on (like a pen, not like
toothpaste) each pad, place the parts, and turn on the hotplate. I
Yup. I use mostly SMD at home anyway, less drilling. ForI thought reflow was only for SMD parts.
Usually it is. Samtec makes a series of connectors that are thru-holeDJ Delorie wrote:
Actually, I do hotplate reflow at home and it works really well. I
have a syringe of paste, and I dab it on (like a pen, not like
toothpaste) each pad, place the parts, and turn on the hotplate. I
I thought reflow was only for SMD parts. You cant do that on dip/lead
parts can you?
I have noticed that boards with leads/dips made in fabrication plants are
soldered almost to perfection.
What sort of machine is used to do this?
Can this be copied at home?
These are wave soldered. There is no simple home brew method of getting the
same results. Probably the closest option would be to use a large solder pot
and dip the bottom side of the board for approx 2-3 seconds. You would need
to dip in flux first. Most solder wave machines use a bubbler (similar to a
fish tank air pump) to make the flux foam up. The board is run over this
prior to soldering to get an even layer of flux on the board.
You can usually find solder wave machines cheap on eBay. The shipping is
often more than the cost of the machine, as most of them are quite huge.
There are a few benchtop solder wave machines out there, but they never show
up on eBay.
You can replicate the look of the connections by applying extra flux and
"drag soldering" the connections after you've soldered them in place.
There are a few connectors out there which can handle reflow soldering with
hand placed solder preforms, but they are very rare. Most plastic connectors
cannot handle being reflowed, and the surface of the plastic will look
terrible afterwards.
If you do come up with a comparable solution, please share!
Chris
"samiam" <samiamSPAMTHIS@spamalert.com> wrote in message
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I have noticed that boards with leads/dips made in fabrication plants are
soldered almost to perfection.
What sort of machine is used to do this?
Can this be copied at home?