Electronics > Projects, Designs, and Technical Stuff
Your Experience with Reliable Connections?
Vovk_Z:
Soldering and vibration are not friends as it was stated earlier.
Mr. Scram:
--- Quote from: Wendy_Preston on August 07, 2020, 07:20:00 am ---Now, please don't blast me for mentioning our own company's connectors - but high-reliability is kind of our bread-and-butter. We supplied Datamate connectors to NASA for the Robonaut...
https://www.harwin.com/connectors-hardware/high-reliability-connectors/
On a more general basis, I'd say you need to consider at least the following features:
* Some sort of fixing between mated pairs. Jackscrews, screw-loks, bayonet locks, latching - something. This will prevent the vibrating apart. Depending on how often you need to disconnect the pair will help you with your choice of fixing feature and how quick or easy it is.
* Backpotting, cable hoods, heatshrink - some form of additional strain relief on the cables at the rear of the connector. This is one of the more vulnerable spots over long-term vibration. As elsewhere mentioned as well, make sure there is a bit of slack in the cable loom - but not too much that it's flapping around.
* On that note, consider cable management near the connection, like cable tying it to a fixed part so it vibrates with the rest of the build rather than against it.Other solutions are available ;)
--- End quote ---
Not to hijack this thread, but are those Gecko connectors suitable for board to board connections too?
tooki:
Well they say so right on the product page (“ideal for stacking”), so I would say “yes”.
Alaezae:
I looked at the Harwin Connectors, I like them. Definitely expensive at $20 for one of those circular connectors, but certainly in problematic areas it is something to consider. Thanks for everyone’s help, I think the main thing is mechanical support and some sort of lock. I’m still going to try and avoid solder. Thanks!
tooki:
If you give more info, like what kinds of wire you’re using, current capacity requirements, space constraints, etc., it might be easier to make concrete suggestions.
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