The brass-on-steel is more quiet that steel on steel because the brass is
softer, is my guess.  I'm going to run this by our materials guy here at
work.

Ron L

-----Original Message-----
From: phono-l-boun...@oldcrank.org [mailto:phono-l-boun...@oldcrank.org] On
Behalf Of Rich
Sent: Tuesday, January 02, 2007 1:22 PM
To: Antique Phonograph List
Subject: RE: [Phono-L] Re: Noisy Home

Try this then.  Why do you suppose that The Edison Co. went to all of the
trouble to build motors 
where there was a brass gear meshed with a steel gear?  It is not an
accident.  Look at any Edison 
motor.  This dissimilar metal mesh cost a lot of money to manufacture.

Rich

On Tue, 2 Jan 2007 12:21:09 -0500, Ron L wrote:

>I can agree with the possibility of dirt getting in grease and causing wear
>but I'm not sure about the "self lubricating" aspect of this post.  Anyone
>else want to weigh in on this?

>Ron L

>-----Original Message-----
>From: phono-l-boun...@oldcrank.org [mailto:phono-l-boun...@oldcrank.org] On
>Behalf Of Rich
>Sent: Tuesday, January 02, 2007 12:00 PM
>To: Antique Phonograph List
>Subject: RE: [Phono-L] Re: Noisy Home

>Brass gears meshed with steel gears should never be greased or heavily
>lubricated.  They are self 
>lubricating.  Any extra lube will hold dirt which will imbed into the brass
>which will result in excessive 
>wear on the harder (steel) gear.  If you van see of feel the lubricant then
>there is way too much.

>Rich


>On Tue, 2 Jan 2007 10:46:15 -0500, Ron L wrote:

>>How are the rubber mounts between bedplate and motor, and between upper
>>works and bedplate?   Are the gears lightly greased or just oiled?  Have
>the
>>conical bearings on the mandrel shaft ever been disturbed, especially
>turned
>>and/or moved in or out?



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