On Sun, Feb 10, 2013 at 12:11 PM, Gene Heskett <[email protected]> wrote: > On Sunday 10 February 2013 11:55:13 Andy Pugh did opine: > Message additions Copyright Sunday 10 February 2013 by Gene Heskett > >> On 10 Feb 2013, at 14:05, Gene Heskett <[email protected]> wrote: >> > So, I need a 12mm bore, 18mm OD, .2mm thick shim washer to space the >> > center races apart far enough that when I put the end cap back on the >> > block, pushing in on the outer races, they will >> >> Turn a cup shape on the lathe, part off to the desired thickness. >> I wouldn't try for exact thickness, in fact I would shim the outer races >> and adjust the nip with the nut. > > Its feels like both inner and outer races are touching each other when > assembled in the direction they were installed. Both bearings are > installed into the block from the nut end, with nothing between either set > of races ATM. I could turn them around though, which would mean that > spacing the outers would achieve the same effect, and that would then allow > the nut to adjust the preload. In that event, even a 20 thou thick spacer > would be fine. If it wasn't for the thin face on the outers when assembled > that way, its only about .55mm wide on that side. But it should work. So, > put one bearing in with the thicker outer edge facing left, a dab of grease > to hold a formed piece of 30 gage kynar wire stripped, laid in the grease > and push the 2nd bearing in to trap the angular and the nut, which has a > set-screw for locking, brought up to put some pressure on the inners, sound > like that would work just fine. That wire wire is too thick, but it will > cold flow some, so if the nut is snugged up, eventually it should be able > for the wire to support the loading for a long time. > > Sounds like a winner to me Andy, thanks. > > I'll check in later when I've tried it. > > Cheers, Gene
Or maybe use a Belleville washer? Mark ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
