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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: A word of warning regarding spherical thrust bearings posted by Mark Kelly on May 18, 2009 at 17:49:46:
If you make the bearing from stiffer materials the contact area is reduced (because the stiffer material bends less). This increases the contact pressure because the same weight is being borne by a smaller area.If you are not careful the resulting pressure will be so high that the material will fail. It will fail in shear because there's a large difference in the compression immediately under the contact point and a point just outside the contact area. One is being pushed down, the other is not so they are effectively being torn apart.
Edit: the actual mechanism is more complex than this and has to do with Poisson's ratio but I'm trying to keep this non-technical.
Further edit: I changed "harder" to "stiffer" to remove potential confusion
Mark Kelly
Edits: 05/18/09 05/20/09
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Follow Ups
- Translation for the non-technically minded: - Mark Kelly 20:42:38 05/18/09 (3)
- RE: Translation for the non-technically minded: - d to the g 20:35:41 05/20/09 (0)
- Translation for the obviously technically minded. - Mark Kelly 22:21:33 05/20/09 (0)
- Language T4 can understand.... - tubesforever 23:30:06 05/20/09 (0)
- RE: Language T4 can understand.... - d to the g 08:45:07 05/21/09 (0)
- Polishing in my application.... - tubesforever 11:01:08 05/21/09 (0)
- Ignore this if you wish to do so.... - tubesforever 22:38:12 05/18/09 (1)
- Try again. - Mark Kelly 23:03:29 05/18/09 (0)
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