On Wed, 2010-07-21 at 21:40 +0100, Ian W. Wright wrote: > Silicone 'O' rings are stronger than ordinary black ones but, now I know > what the thing is to be used for, I think this is an ideal use for > 'Polymorph' or 'Jett set' or one of the similarly named and identical > products. *http://tinyurl.com/3x9nylp .* Turn a groove around the centre > of the periphery, fill it with a long sausage of this stuff and screw it > together before it sets. ( you may heed to drill a couple of radial > holes in the bottom of the groove to stop the plastic rotating ). It > should give you a good friction fit. If not, you can cut through the > polymorph, pop a little packing under it and reassemble - then it will > fit tight. Alternatively, if you cut the groove in the female threaded > portion, the natural shrinkage of the ploymorph will ensure that it is > tight. The stuff softens at a temperature you can mold it in your hands > and sets like nylon so the effect you get will be like a nylok nut. I've > been using this stuff for in situ moulded leadscrew nuts on small > machines for several years now and it lasts and lasts with no > appreciable wear. > > Ian > ________________ > Ian W. Wright > Sheffield UK > > Andy Pugh wrote: > > On 21 July 2010 17:34, Gene Heskett <gene.hesk...@gmail.com> wrote: > > > > > >> I thought of that Mark, but most of that stuff takes 425+F to soften it for > >> later dis-assembly. Can the rest of the stuff tolerate about 475F for long > >> enough to take it apart, Andy? > >> > > > > I am not sure how the O-rings would cope (probably OK) > > > > The part does not have to seal air (in fact, that would be > > counterproductive). It is the lower "pull" plate for my drawbar > > release. > > > > http://imagebin.ca/view/yPr__7Mi.html > > > > > > Ian,
This goes to reaffirm that I have to be VERY careful or I'm going to learn something new everyday. Thanks. Dave > > ------------------------------------------------------------------------ > > > > > > No virus found in this incoming message. > > Checked by AVG - www.avg.com > > Version: 9.0.851 / Virus Database: 271.1.1/3019 - Release Date: 07/21/10 > > 07:36:00 > > > > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
