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I have some small boards that have various connectors, JSP, female headers etc. Those connectors and headers will be used a lot with various devices plugged in and pulled out and will get a lot of mechanical stress. This will be rotational, angular, perpendicular, you name it. I understand that a lot of stress is directly on the pins and not the housings, but I want to be able to glue down the plastic housings to the PCBS for extra strength.

Neutral cure silicone rubber won't be of much use to me as I'm after rigidity and strength not vibrational relief.

I've tried high viscosity super glue and it's been useless. The same with one brand of UV adhesive. They both allowed the component to snap off with very little effort. I've yet to try forms of epoxy as with small but frequent jobs like this there will be a lot of waste during mixing and it will end up being relatively expensive.

Suggestions?

Thanks.

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  • \$\begingroup\$ It would help to know why you weren't happy with the superglue or UV adhesive. \$\endgroup\$ – brhans Sep 28 '18 at 2:02
  • \$\begingroup\$ Epoxy is actually really good. They use that for marble, granite, and wooden floors for carpentry. \$\endgroup\$ – KingDuken Sep 28 '18 at 2:20
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    \$\begingroup\$ Epoxy is no good if subject to severe temperature ranges. Please define the boundaries in which this must work. Contact cement works most of the time. The longer the cure time the stronger the bond, for any adhesive. I use hot glue often but it will crack in very cold temperatures (-40 C). \$\endgroup\$ – Sparky256 Sep 28 '18 at 4:22
  • \$\begingroup\$ what about using extender cables that are just a few inches in length.... even better if they can be attached to an enclosure \$\endgroup\$ – jsotola Sep 28 '18 at 4:51
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    \$\begingroup\$ 4 months on: I think that an appropriate silicone rubber would do the job well. Modulus (~= stiffness) varies with composition. A high modulus / stiff rubber would allow minimal movement but still offer the other superb properties that SR brings. My 2011 answer here (which you have probably seen) relates. \$\endgroup\$ – Russell McMahon Jan 31 at 3:02

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