There’s a fraction too little friction (1162 bracelet problem)

dialstatic · Dec 7, 2017

Hi guys & gals,

I have this old 1162 bracelet for my PloPlof, and when I was checking it for integrity, one of the (non-removable) links came off. Nothing appears to be broken: it’s just that one end has frictions pins that aren’t, well, very friction-y anymore.

Now I could just pour some random glue in the holes, but I’m sure there is some specific method or product that watch makers use. Anyone care to enlighten me?

Cheers,

Bram

dialstatic · Dec 7, 2017

Um, sorry, this should have been in Vintage, not in Open. I guess 790+ posts weren’t enough for me to figure out how this place works 😬

Vitezi · Dec 7, 2017

I'm giving the OP a 'like' just because of the thread title. 😀
I would think a tiny dab of epoxy on each of those pins would permanently affix the end cap very nicely.

JimInOz · Dec 7, 2017

I had a similar issue with a Rolex bracelet.

https://omegaforums.net/threads/something-came-along-today.58822/page-2#post-735013

However, maybe @Archer could also offer some advice.

Vercingetorix · Dec 7, 2017

Maybe new pins? http://www.ofrei.com/page287.html

dialstatic · Dec 7, 2017

Thanks guys! Those new pins look somewhat different with the fatter ends. Maybe that’s a good thing in my case, but I’m not sure I can remove the other side of the pins without breaking something (plus, I guess I’d still have to glue the new ones’ smooth ends in place). But it’s good to know these things are readily available.

I think I’ll try the epoxy route first: if they don’t stay in place, I’ll try more complicated solutions. Any particular reason to choose epoxy over loctite?

Vercingetorix · Dec 7, 2017

https://www.jbweld.com/
Be sure and put those pieces in the ultrasonic cleaner to make sure they are clean.

omegasaso12 · Dec 7, 2017

I would do like this:

First I would put those pins on some metal base. Than take small hammer and pounch them couple of times at the end to make them little flater ( rather than rounded that are now).

Then I would try to push them back in and if I would think that it goes tight enough I would put some strong glue( I would use UHU blue for this task) in the hole and then just put all together.

So you will have double security and if its made properly it will last for long.

Hope I wrote ok so you understand proces. GL.

JimInOz · Dec 7, 2017

dialstatic
............... Any particular reason to choose epoxy over loctite?

Epoxy is designed to stick things together, like broken vases etc.

"Loctite" is designed to do many things, but Loctite 263 is designed to retain metal parts.

Loctite® 263 High Strength Threadlocker

Loctite® 263 High Strength Threadlocker is a Versatile, high strength liquid threadlocker. Reliably locks and seals metal fasteners up to 1 in. Engineered to cure consistently on a variety of metals, despite minor surface contaminants. Works on steel, stainless steel and most plated fasteners. Tolerates thread lubrication, corrosion protection anti-fluids. Rated for 360°F (180°C). Heat required for removal.

Aussie Jim · Dec 7, 2017

dialstatic
Hi guys & gals,

I have this old 1162 bracelet for my PloPlof, and when I was checking it for integrity, one of the (non-removable) links came off. Nothing appears to be broken: it’s just that one end has frictions pins that aren’t, well, very friction-y anymore.

Now I could just pour some random glue in the holes, but I’m sure there is some specific method or product that watch makers use. Anyone care to enlighten me?

Cheers,

Bram

Tim Finn fan?

Vercingetorix · Dec 7, 2017

If you want a Loctite product I think you want the 660.
http://www.loctite.com.au/3320_AUE_HTML.htm?nodeid=8802627715073

Archer · Dec 8, 2017

Vercingetorix
If you want a Loctite product I think you want the 660.
http://www.loctite.com.au/3320_AUE_HTML.htm?nodeid=8802627715073

Yes, a retaining compound would be recommended rather than a thread locker, since there are no threads in this case. I use (and Omega recommends) 638 for applications requiring a retaining compound...

dialstatic · Dec 11, 2017

Thanks to everyone who contributed.

Turns out you can’t get Loctite products easily in The Netherlands. I sourced an equivalent to its threadlocker product at my local hardware store (manufactured by Bison). It seems to have done the job: the link is now no longer coming off even when applying moderate force with a pair of pliers. I’m confident it will come loose using strong force, but so would any other link in this flimsy vintage bracelet 😀

However, I do want to take to heart @Archer ’s recommendation: since there are no threads this product is indeed probably suboptimal, so I ordered a bottle of 638 retaining compound online for my future needs (...or for if this darn link comes off again).

Archer · Dec 11, 2017

dialstatic
However, I do want to take to heart @Archer ’s recommendation: since there are no threads this product is indeed probably suboptimal, so I ordered a bottle of 638 retaining compound online for my future needs (...or for if this darn link comes off again).

When you get the 638, compare it to the thread locker and it will be apparent that these are very different products.

Cheers, Al

JimInOz · Dec 11, 2017

Archer
When you get the 638, compare it to the thread locker and it will be apparent that these are very different products.

Cheers, Al

Not all that different, they both come in a red bottle. 😉
I agree it would have been better to use the retaining compound v thread locker. However, all I had on hand at the time was 222, 243 and 263, so I chose 263 as it was closest in temp rating and shear vs break torque.

638 is on my shopping list though.