Re: [ATM] The 16' ultra thin/two threads finer adjustment

["matt" <electro_optic@bellsouth.net>]

Rick,
Here's a link to a short pdf document that shows pictures, a cross section
drawing and explains how this differential thread screw actuator works:

http://www.thorlabs.com/images/PDF/v17_345.pdf

best regards,
matt tudor

-----Original Message-----
From: Ric Rokosz <radicell2@yahoo.com>
To: Vladimir Galogaza <vladimir.galogaza@zg.htnet.hr>; atm@atmlist.net
<atm@atmlist.net>
Date: Sunday, February 20, 2005 7:30 AM
Subject: Re: [ATM] The 16' ultra thin/two threads finer adjustment


>
>--- Vladimir Galogaza <vladimir.galogaza@zg.htnet.hr>
>wrote:
>
>
>
>> >There
>> >is a method of combining two different screw
>> threads
>> >to produce a really fine pitch thread lever that
>> could
>> >be expoied to each contact point
>> and.................
>>
>> Can you elaborate on this or
>> give some
>> reference, please.
>
>I'm not a machinist,so perhaps someone on the list who
>is can explain this better.It came from an article I
>read where the sensitivity of the Foucault tester can
>be improved by not buying a mic.
>
>Ric
>
>
>
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