a pic?


jeremy youngs


On Fri, May 2, 2014 at 7:53 PM, Gene Heskett <ghesk...@wdtv.com> wrote:

> Greetings all;
>
> The screws I have to put in this "used to be a micromill", are 8mm2.5's and
> have an outer diameter of about 9.25mm.
>
> I intend to turn them down to 8mm to fit in the existing bearing bosses,
> but with ball bearing thrust washers with an 8mm bore.
>
> But in grinding them down, its obvious I wall NOT have a good shoulder
> because the 8mm is just about the bottoms of the ball grooves.
>
> This means I will not have a good shoulder all the way around, and that
> implies that the ball thrust washers may tip.
>
> I am inclined to make a sleeve about 12 or 13mm OD, and at least 10mm long,
> and a bit small so I can heat it and hopefully drive it against the
> shoulder, and that it in turn will prevent the thrust washer from tilting.
> That would involve driving it around 80mm from the end of the screw.  No
> clue if a shrink fitted sleeve could be driven that far in one blow of a
> dead blow hammer.
>
> But I don't have any better ideas ATM.  Anybody else have an idea to offer?
>
> Thanks.
>
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS
>
>
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