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Any tips on plastic adhesives? Trying to repair headphones (lemmy.nz)

submitted 5 days ago by punksnotdead@slrpnk.net to c/diy@slrpnk.net

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Hi DIY!

My headphones of many years recently broke. My first response was to attempt to glue them back together with super glue (ethyl 2-cyanoacrylate) however that didn't seem to hold. Not even a little bit.

I then did a bit of searching and found that Sony often use ABS plastic in headphone manufacture, so presumably these are ABS. I then read super glue should work okay on ABS, however there seemed to be no bonding happening at all.

Do any of you have any tips for the best kind of glue or epoxy to bond these plastic parts back together and get the music flowing again?

I plan on wrapping the joints in thread afterwards, for additional durability. But first I need to get them bonded.

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[–] punksnotdead@slrpnk.net 2 points 5 days ago (1 children)

Unfortunately there's a wire running through one of the broken pieces so heat is probably a no-go because I don't want to melt the insulation. Thank you though!

[–] PancakesCantKillMe@lemmy.world 4 points 5 days ago* (last edited 5 days ago) (1 children)

I think a deft hand could do what OP suggests without damaging the speaker wire. This would be the metal reinforcement you need combined with epoxy. Just sink the staple in far enough to work. Maybe two per side. Not too deeply as to roast the wire.

Edit: Though if you do not own one, then that solution is out.

[–] punksnotdead@slrpnk.net 1 points 5 days ago

I don't own one and I'm terrible at the game Operation. In more skilled hands perhaps it's possible but I think I would just mess it up - thanks though!