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Mirror Grinding Research

Leonardo Da Vinci's mirror making machines

An elliptical torus-shaped diamond wheel is proposed to perform a freeform axial-feed grinding of SiC ceramics. In elliptical form-truing, a new mutual-wear between rotary grinding wheel and fixed dresser is developed to produce an elliptical wheel-profile along elliptical interpolation paths.

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Waite Research Mirrors For Telescopes, Chandler, ... Gordon Waite begins work on grinding a 12" f/4.9 telescope mirror for a Waite Research client.

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The grinding conditions have the same effects on grinding qualities in ELID II grinding as in ordinary cylindrical grinding. 2. Mirror internal surface grinding is practicable on ordinary grinding machines using CIB–CBN wheels …

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Mirror Grinding and Telescope Making ... I am grinding a mirror from a 6'' glass blank using another blank as ... Making a Ceramic Tile Grinding Tool | Waite Research ...

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Precision and Mirror Grinding of F-Theta Freeform Surface Lens. ... The F-Theta freeform surface lens is designed by equation, ... This research doesn't cite any ...

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Did Leonardo da Vinci Use Concave Mirrors? ... a bevy of scholarly research has surfaced both proclaiming and refuting da Vinciís use of ... Mirror Grinding Machine

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As a low cost and high efficiency ultra-precision mirror processing technology-ELID mirror grinding technology, is widely used in the field of modern ultra-precision machining. This paper summaried the historical development and the present research situation of ELID mirror grinding technology ...

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Mirror surface grinding of sapphire by coarse grain size ...

High-efficiency mirror grinding of AlN by ultra-precision plane honing. / Suzuki, Shinya; Yoshihara, ... Research output: Contribution to journal › Article.

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Stellafane Links Page. Stellafane External Links provide links to related information on Amateur Telescope Making, Mirror Making, Optics, …

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Mirror Grinding Research Mirror Site of A Short History of American Labor Note This is a mirror site duplicating material appearing on lime kiln manufacturer unionweb More Telescope Mirror Grinding Machine Products &

High-efficiency mirror grinding of AlN by ultra …

Study on a 5-axis precision and mirror grinding of glass freeform surface without on-machine wheel-profile truing

Precision and Mirror Grinding of F-Theta Freeform Surface Lens

Grinding Metre-Scale Mirror Segments for the E, 145 metre scale Zerodur® mirror segment for the European Extremely Large Telescope (E-ELT) is introduced, stiff and well damped grinding machines such as the Tetraform, Building on research previously carried out on 350 mm and

Research progresses of ELID mirror grinding technology

This paper discusses the grinding of sapphire for mirror surfaces by coarse grain size ... His present research interests are adjustments of machining parameters ...

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Waite Research Mirrors For Telescopes · September 23, 2015 · Our newest grinding and polishing machine features interchangeable turntables and a variable-speed drive. The machine can run at 3 or 4 rpm's for hand polishing, or up to 60 rpm's for fixed-post grinding or rough polishing. The 3/4 hp 3-phase AC motor and 30:1 gearbox provide …

GordonWaite - YouTube

Aug 01, 2013· Page 2 of 2 - Grinding your own mirror - How is it possible to get accuracy in the nm? - posted in ATM, Optics and DIY Forum: A similar situation might be found in woodworking... a cut piece of wood will never be as smooth as one that has been sanded. Grinding and polishing a mirror is like successively finer grades of sanding. …

Mirror surface grinding of sapphire by coarse grain size ...

You'll be grinding and polishing a mirror for Starshine 4, ... we'll take your coated mirror to the Naval Research Laboratory and mount it on the Starshine 4 ...

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Waite Research Mirrors For Telescopes, Chandler, Arizona. 1,071 likes. Maker of Premium Telescope Optics

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This paper discusses the grinding of sapphire for mirror surfaces by coarse grain size diamond wheels. Sapphire is a hard-to-machine material because it has excellent mechanical properties and indentation hardness.

Internal mirror grinding with a metal/metal–resin …

Use of a diamond wheel with superabrasive is required for mirror-like surface grinding of brittle materials. However, conventional dressing methods cannot …

Waite Research Mirrors For Telescopes - Science ...

The 4 mm extra clear low iron glass is cut to the desired measurements to suit its thermal application. The glass is then drilled and edge-worked by CNC robots.

Diy mirror grinding aspherical : telescopes - reddit

Amateur Telescope Making Main Page. Russell Porter ... mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s.

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Diy mirror grinding aspherical ... I understand that kind of grinding, mirror being higher on one side, ... flat field, which is ideal for research-grade imaging.

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Telescope mirror grinding machine Mirror making and optical testing … The images below show the completed grinding machine in it's new garage in October 2001. The images below show the completed grinding machine in it's new garage in October 2001.

Mirror surface grinding for brittle materials with in ...

Mirror grinding (scopemaking.net) 195 points by Tomte 206 days ago | hide | past | web | 65 comments | favorite: gregfjohnson 206 days ago. My dad (Tom Johnson) founded Celestron. His key idea was a way to create the corrector plate at the front of a Schmidt-Cassegrain telescope. The corrector plate compensates for spherical aberration (the difference between a parabolic main mirror …

12 inch f4.9 Telescope Mirror Part 1 - YouTube

Waite Research Telescope Mirrors. Rough Parabolizing Part 1: ... Fine Grinding a 20" Quartz Telescope Mirror. Rough Grinding on the Fixed-Post Mirror Grinding Machine.