[CR]pinned joints

(Example: Framebuilding:Technology)

In-Reply-To: <MONKEYFOODLmmQ2nIQr000033ba@monkeyfood.nt.phred.org>
References:
From: "Dennis Young" <mail@woodworkingboy.com>
Date: Thu, 9 Mar 2006 22:13:21 +0900
To: classicrendezvous@bikelist.org
Subject: [CR]pinned joints

An extension of what Sergio mentions, is to say that pins are a potential big pain in the as%), unless the joint is sound to begin with. It is not particularly fun to have to go repair a joint with pins in it.

Dennis Young Hotaka, Japan
>
> I don't think that "pins" would hurt a carbon frame or aluminum
> frame,
> providing that adequate bonding agent (glue in these cases) was
> present in the joint.
>
>
>>
>> BUT (and this makes this message vintage pertinent & On Topic) those
>> pins really don't reinforce anything, in steel or any other frame
>> building material. They just keep the tubes in their appropriate
>> place
>> until the actual bonding (brazing, gluing or whatever) takes place.
>>
>> After their job is done, the pins are redundant and hence Angel's
>> question asking if they were removed by builders after the building
>> process.
>>
>> Dale Brown
>>
>>
>
> Caro Dale,
> I beg to differ here.
> Any joint that would tend to unglue cannot but profit by having an
> added mechanical impediment to that. The improvement depending on
> obvious details.
>
> Sergio
> Pisa
> P.s. Even a good cabinet maker adds wood pegs (no nails, please) to
> nicely fitted
> glued joints.