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- Path: sparky!uunet!news.claremont.edu!nntp-server.caltech.edu!pvmason
- From: pvmason@cco.caltech.edu (Peter V. Mason)
- Newsgroups: rec.railroad
- Subject: Re: Oil Bearings (was Re: Grand Canyon Railway)
- Date: 30 Dec 1992 01:36:38 GMT
- Organization: California Institute of Technology, Pasadena
- Lines: 30
- Sender: pvmason@alumni.caltech.edu
- Message-ID: <1hquf6INNhnh@gap.caltech.edu>
- References: <BzDIIv.A1L@hplabs.hpl.hp.com> <1992Dec21.223512.12593@mel.dit.csiro.au> <1992Dec22.152513.25799@ee.ryerson.ca>
- NNTP-Posting-Host: alumni.caltech.edu
-
- In article <1992Dec22.152513.25799@ee.ryerson.ca> iain@ee.ryerson.ca (Iain Campbell) writes:
- >In article <1992Dec21.223512.12593@mel.dit.csiro.au> ajw@squid.mel.dit.CSIRO.AU (Andrew Waugh) writes:
- >
- >The bearing is normally either made of, or lined
- >with, a material which is softer than the journal material. This
- >is so that the bearing can conform as closely as possible to the
- >shape of the journal. This is necessary because of the principle
- >which makes these bearings work (and they do work very well ... keep
- >in mind the note about auto engines ... there may in fact be more
- >journal bearings in the world than just about any other type of
- >bearing). The principle is known as "hydrodynamic lubrication".
- >
-
-
- My recollection is that soft bearing materials are used against hard
- journals because hard-against-hard results in galling and seizing. Any
- bearing experts out there?
-
-
- >If there is enough interest, I'll talk about why journal bearings have
- >been replaced by roller bearings in another post.
- >
-
- Would be interested.
-
- > S I G iain@ee.ryerson.ca < now showing S I G
- > SS I G GGG iain@acsserv1.ryerson.ca < coming soon SS I G GGG
-
-
- pvmason@alumni.caltech.edu (Peter V. Mason)
-