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Two articles on precision micropositioning

 
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enricosavazzi



Joined: 21 Nov 2009
Posts: 934
Location: Stockholm, Sweden

PostPosted: Fri Dec 15, 2017 1:08 am    Post subject: Two articles on precision micropositioning Reply with quote

http://www.laserfocusworld.com/articles/print/volume-52/issue-10/features/imaging-piezo-and-hexapod-motion-systems-improve-image-stability-and-resolution.html

http://www.laserfocusworld.com/articles/print/volume-53/issue-10/features/positioning-silicon-photonics-manufacturing-requires-parallelism-in-alignment-processes.html?cmpid=enl_lfw_lfw_enewsletter_2017-12-14&email_address=enrico12@savazzi.net&eid=381129389&bid=1951032

More references are available in the articles.
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elf



Joined: 18 Nov 2007
Posts: 1336

PostPosted: Sat Dec 16, 2017 1:39 pm    Post subject: Reply with quote

This video by Dan Gelbart shows how to make relatively inexpensive flexures. I 3d printed one which surprisingly worked quite well.

p.s. His series of videos is well worth watching if you're making things.
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Chris S.
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Joined: 05 Apr 2009
Posts: 2957
Location: Ohio, USA

PostPosted: Mon Dec 18, 2017 1:12 am    Post subject: Reply with quote

Thanks for these links, gents! Very Happy

Elf, I found the Dan Gelbart video particularly enlightening, and immediately watched two more this gentleman's videos. It's now on my list to watch his whole series, as you recommended.

--Chris S.
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mawyatt



Joined: 22 Aug 2013
Posts: 1286
Location: Clearwater

PostPosted: Mon Dec 18, 2017 8:23 am    Post subject: Reply with quote

Dan's video is really interesting, clever devices indeed! Thanks for showing.

Brings back long ago memories (~1980) of the Invar Moving Mirror Interferrometer (8-12 microns) we developed for a Remote Sensing Chemical Agent Detector (XM21) where we used "Flex Pivots" for the moving mirror. He mentioned these in the video. Haven't heard about them for almost 40 years!

Best, and Happy Holidays,

Mike
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