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Glueing acetyl

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Roger Hart19/01/2021 14:41:20
135 forum posts
30 photos

Trying to make a black terminal for an old AVO without spending any money.

So far I have a bit of brass with a 2ba thread, a collar and a head 12.25mm dia and 8mm deep. I also have a bit of acetyl with a suitable cavity bored in it.

The first attempt at sticking brass into acetyl with Gorilla Glue was a failure, it practically fell out.

Once reasonably secure I plan to turn down the outside, polish up a bit and part off and put AVO back on shelf.

Any ideas how to glue - or other methods

Brian H19/01/2021 15:14:02
2039 forum posts
111 photos

I don't know if this is helpful; depends on cost.


Grindstone Cowboy19/01/2021 15:27:43
491 forum posts
44 photos

Could you knurl your brass bit, heat it up and melt it into the acetal?


Ady119/01/2021 17:21:19
4235 forum posts
593 photos


pgk pgk19/01/2021 17:28:45
2060 forum posts
290 photos

I'm not familiar with what your trying to do but before dental fillings would actually stick to teeth the answer was to undercut the cavity for retention and make it non-round for antirotation then pack the amalgam in.
When Epoxy or CA don't work then I sometimes fall back on good ol' copydex or evostick


MichaelR19/01/2021 18:59:30
409 forum posts
80 photos

Having used JB weld for various metal working jobs with good results, they do some adhesives for plastics which may be suitable for your use. Link


not done it yet19/01/2021 20:04:03
5628 forum posts
20 photos

GC has the remedy. Often additionally secured with a screw for further security.

Michael Gilligan19/01/2021 20:16:04
17334 forum posts
787 photos

Probably worth reading this: **LINK**


Paul Lousick19/01/2021 23:26:32
1692 forum posts
625 photos

Loctite have some information about a suitable preparation and glue for plastics **LINK**


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