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Mirror Grinding Tool

  • Telescope Mirror Blanks / TelescopeMirrorBlanks.Com .

    Please see the Buy Telescope Mirror Blanks page for low prices on plate glass mirror blanks. If you'd like to buy a complete mirror grinding KIT, with all abrasives and grinding tool included, please see the Buy Telescope Mirror Kits

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  • Mirror grinding | Hacker News

    The tool-on-top or mirror-on-top swap can help to adjust if you've gone too deep by favoring supporting the tool at the edge or supporting the tool in the center causing greater amounts of material being taken away at the edge.

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  • Gem Mirror DIY (+ Easy Glass Cutting Technique!) - A .

    Gem Mirror DIY (+ Easy Glass Cutting Technique!) D.I.Y. Project, Home Decor, Living Room, One Day Project. By Josh Rhodes. . Use your glass cutter tool to score a line into the mirror that runs the entire length of the mirror (make sure to keep your tool right up against the ruler as you score).

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  • Grinding with thin telescope mirror kits:

    Ideally, your mirror blank, and the objects that contact your mirror blank (tool, water, grit or polishing compound, backing material, etc) should all have had time to equalize to room temperature.

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  • Stellafane ATM: Mirror Making Overview

    The same tools and equipment are used as in rough grinding. For the finer grades of grit, many people find it easier to pre-mix them with water in squirt bottles and apply the grit and water to the tool and mirror .

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  • How the Enormous Mirrors on the World's Largest Telescope .

    The other type of tool we use is a smaller, more pliant tool—it's flexible enough to follow the changing curvature of the mirror—those are between about 10 and 35 cm in diameter.

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  • Ritchey Mirror Grinding Machine - National Air and Space .

    The machine was used for making numerous mirrors over the next four decades and extensively modified over that period. It embodies the "sub-diameter tool" design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by programmable rotating arms.

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  • Telescope Mirror Making Kits and Supplies - Grind your own .

    TelescopeMirrorKits provides telescope makers with the most complete telescope mirror making kits available anywhere on the web. When you buy a mirror kit from TelescopeMirrorKits, you get TWO glass blanks - one for your telescope mirror, and the other for your grinding tool - no more hassle making a grinding tool from ceramic tiles.

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  • Fixed post mirror grinder advice - DIY Astronomer .

    Nov 01, 2011 · The 'traditional' type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror and/or tool.

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  • Lens & Mirror Making Best lenses and mirrors are both made .

    Lens & Mirror Making • Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good . (grit) between tool & mirror • Grinding – moving the mirror over the tool with grit between) • Grinding compound will make tool convex, mirror concave . Grinding .

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  • Tile on plaster tool - ATM pages of Berthold Hamburger

    Obviously a plaster tool can be used perfectly as a pitch polishing tool. I usually pour the tools for laps after finishing grinding with #300 grit. The tool should be dry before pouring the pitch and rubbing it with turpentine will make the pitch stick better.

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  • Joy of Mirror Making: Rough Grinding - BBAstroDesigns

    31 rows · The center will deepen during the first stage of fine grinding as contact is achieved across .

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  • Telescope Mirror Blank Clearance Items

    Discounted Telescope Mirror Blanks, Mirror Grinding Tools, and odd-sized blanks Discounted Mirror Blanks - Big Savings! TelescopeMirrorBlanks.Com sells discounted mirror blanks which have a few more surface scratches than normal, or more than average edge chipping - these mirror blanks are perfectly usable, just a bit "aesthetically challenged" and these cosmetic flaws will in no way affect .

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  • Dokas Photos – How To Ground Your Own Glass

    The tool will be harder to move as the water evaporates and the two sheets of glass begin to stick together. Less frequently, you will need another charge of grit. The sound (as well as the thinning color) of the grinding slurry will be your prompt as to when you need to add more grinding material.

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  • grinding an optical flat mirror - Reiner Vogel

    After fine grinding, one of the blanks is picked as the future flat mirror and will be polished. My blanks were 150 mm borofloat blanks with 15 mm thickness from Schott, Germany. The back of the blanks should be roughened as well to prevent reflections during optical testing later on.

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  • Fast Mirror Grinding & Polishing - The ATMs Workshop

    Fast Mirror Grinding and Polishing Miscellaneous Tips and Techniques . John D. Upton November 15, 2001 (Updated July 15, 2002) . As the mirror and tool were slowly pulverized by the grinding process, the iron in the resulting grinding "mud" instantly oxidized. This rust colored mud stained almost everything it came into contact with.

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  • Mirror Grinding Tutorial | Mirror | Abrasive - scribd

    Tile tools grind faster, and you can make 2 mirrors instead of one. Or you can share the costs of a mirror kit with a friend and make a mirror each. A tile tool is .

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  • Making a Dental Stone Tool Method of grinding of a mirror.

    With this method, the first thing is to mostly grind out a roughly spherical hole in the mirror with a piece of iron (or other metal if desired) that is usually in a ring shape and then you make the Dental Stone tool and finish the grinding with the Dental Stone tool that you make.

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  • Telescope Mirror Kits - firsthanddiscovery

    Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications.

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  • Mirror, Mirror - The New York Times - nytimes

    Aug 30, 2005 · Dr. Angel, who was born in Lancashire, England, and earned a doctorate in physics at Oxford, said he was interested in astronomy as a child and once starting grinding a mirror for a .

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  • Mirror Grinding - School Project - DIY Astronomer .

    Mar 02, 2012 · The kit I purchased comprised mirror blank, full size tool, 3 grades of grinding/polishing powder and pitch. I also bought the Galvoptics guide on mirror grinding; the guide is very comprehensive and is well written.

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  • Telescope Mirror Making - Frontier Homepage Powered by Yahoo

    For grinding the back of my 12" mirror, I used an 8" disk of 3/4" particle board, glued tiles to the front with epoxy, and coated the back and sides with polyurethane. It worked great. I made my polishing tool for my 12" mirror out of three layers of 3/4" particle board glued together.

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  • ATM - Grinding a 8" Mirror - knology

    This is the tool looking through the mirror during the 25 micron grinding. It's better looking than in the 80 grit photo. This is the Pitch Lap that will be used for polishing.

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  • Joy of Mirror Making: Fine Grinding - BBAstroDesigns

    Previously in rough grinding we deepened the center of the mirror's face either by grinding with coarse grit and a tool, slumping in a kiln over a mold, or purchasing the glass pre-generated. During fine grinding, we'll grind the mirror face against a tool with a series of ever finer grits.

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  • Astro-Tel - Mirror grinding machine

    MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at .

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  • Mirror grinding machine construction log - James Crombie

    Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now .

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  • Journal of Materials Processing Technology GRINDING OF .

    The methods using a cup wheel for grinding the mirrors are schematically illustrated in Fig. 1. In Figs. 1 (a) and (b), the principles are the same, although the methods of feeding and fixing the tool .

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  • Mirror Grinding, Mirror Grinding Suppliers and .

    Alibaba offers 14,825 mirror grinding products. About 1% of these are abrasive tools, 1% are grinding machines, and 1% are grinding wheel. A wide variety of mirror grinding options are available to you, such as abrasive disc, abrasive block, and abrasive pad.

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  • Mirror grinding - Telescope making

    There are many reasons for grinding your own mirror. Either you want a unusual size, or focal length, or to satisfy your curiosity, or to have the "pride of achievement" by fabricating something as precise as a telescope mirror.

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  • Mirror Grinding Tool for a 22" f/4.0 Telescope Mirror .

    Feb 11, 2014 · Gordon Waite describes the mirror grinding tool that he used to grind a pair of 22" f/4.0 mirrors for the Binoscope project. The tool is made from dental plaster and ceramic tile.

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