elgin mirror grinding machine

mirror grinder page - JamesCrombie.com

I started thinking about building my own mirror grinding machine several years ago. ... About the same time we scrapped a DoAll lapping machine at work.

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Large Thin Mirror Making - Mel Bartels and BBAstroDesigns

It takes a lot of reflecting mirror surface to gather ... A grinding machine relieves the labor, but is not...

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The Amateur Telescope Maker's Page: A Grinding Rig | Modern ...

Mar 10, 2006 ... The convex tool is then placed upon the spindle of the machine while the glass disk to ... As a rule, the larger the mirror, the slower the speed.

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Stellafane Links Page

Glass Fabrication; Mirror Grinding; Grinding Tools; Grinding Machines; Mirror Polishing; Pitch Laps; Figuring & Parabolizing; Optical Flats & Secondaries...

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Large Mirror Making Seminar, 18th January 2003 - DATSCOPE

Jan 18, 2003 ... the grinding machine in the room below. Tea, coffee, biscuits .... There are the Hindle, Elgin, Waineo type machines and many others. Most are...

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The main types of machines - AstroSurf

Here are the different parts which compose this machine ( see drawing A) : ... an arm (4) (square metal tubing) aligned with the center of the mirror (5) and put in motion by the crank ... Draper / Hindle or Elgin / Waineo with simple off-set crank.

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grinding machine design elementals [Archive] - IceInSpace

[Archive] grinding machine design elementals ATM and DIY Projects. ... I want to make a machine to grind a 20" mirror. ... Gday - I built an Elgin machine a few years ago (well about 10 or 15 to be honest) and it happily sits...

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Machine Mirror Making - JeffBaldwin.org

In our shop we use fixed-post grinding and polishing, then parabolizing with an Elgin style system. Fixed-post machine grinding is where the mirror is on a...

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