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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 Typical mirror want pyrex (eg BK7) Then need a tool blank poorer glass softer glass Place mirror on top tool Now add grinding compound (grit) between
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Anyone with any interest in the history of ground-based astronomy should read Ronald Florence's The Perfect Machine about the funding, planning and manufacture of the 200-inch Hale Telescope at Palomar. Grinding of the glass blank began in 1936, continuing through early 1942 when WWII shut down the project Work began every day at 800 a.m.
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mirror grinding machine plans . telescope mirror grinding machine plans; Telescope Mirror Making Frontier Homepage, Home--Mirror making Telescope Mirror Making, Making your own telescope is a, blank for all stages of making a mirror hogging out, rough and fine grinding, Get Price.
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Telescope Mirror Grinding Machine For Sale roicompanynl. Mirror-o-Matic mirror making machine ATM pages of Mirror-O-Matic grinding machine When I decided in 2009 after a ten-year break to get into mirror making again, it
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Originally the machine differed from the drawings. The bowl was stationary. As I wanted the machine to run unattended I used an automotive windscreen wiper pump to direct streams of polishing compound onto the mirror. This failed because the pump and tubing was too small and the latter clogged up.
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Mirror Grinding Machine. My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc.
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Telescope Grinding Machine Optical Instruments. 250tph river stone crushing line in Chile. 200tph granite crushing line in Cameroon. 250tph limestone crushing line in Kenya. 250tph granite crushing line in South Africa. 120tph granite crushing line in Zimbabwe. 400tph crushing plant in Guinea.
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Fine grinding. A flatness in the range of 1 m can be reached by grinding three glass blanks alternatingly against each other, blank 1 on 2, 2 on 3, 3 on 1, and so on. This will be continued with each Carbo grade. After fine grinding, one of the blanks is picked as the future flat mirror and will be polished.
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Telescope Mirror Grinding Machine Plans . Telescope Mirror Grinding Machine Plans Guide For a selection of reasons both business and personal, the growth and popularity of individuals becoming concerned in do-it-yourself or (DIY) woodworking projects has increased dramatically over the last variety of
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One last thing, is the final shape of the mirror. The curve that best focuses the light of a telescope mirror is the parabola. This curve is a bit flatter than the sphere. Right now, if you have been consistent in your grinding, the shape of the mirror surface is spherical, more or less. There are two ways to change that into the parabolic shape.
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By September, 1907, the world's largest telescope mirror was ready for its mount, but other equally large problems would cause further delays. (To watch a short video of Ritchey's grinding machine, now at the Smithsonian, go here. ) The majority of the massive mounting and the steel for the dome was built by the Union Iron Works in San
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Sep 23, 2015Our 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 301 gearbox provide plenty of power for grinding mirrors up to 20 inches in diameter.
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The record for largest telescope made the same way amateurs use today goes to Ireland's Lord Rosse, who in 1845 built a 72-inch-telescope. Mirror grinding How the Enormous Mirrors on the World's Largest Telescope Are Made Liquid mirror telescope
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Mirror Grinding Machine . My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. Learn More
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The original Mirror-o-Matic had a turntable that doubled as a slurry drip pan. Because of the increased effort of removing larger, heavier mirrors on this new bigger machine, I have added a stationary drip pan under the turntable. This will allow washing the mirror in place and attaching a drain pipe to the pan.
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Jan 20, 2005Obviously, there must be a reason why machinists scrape instead of grinding. But in theory, three flats could be made by alternatively grinding them together with progressively finer grades of abrasive just as well as they can be scraped to flat. In making my telescope mirror, I started with a coarse abrasive, perhaps 80 grit and worked my way
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Mirror Grinding Machine Leonardo's Mirror Grinding Machine. leonardo miror grinding machine. The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it. Devices like these are still used nowadays by amateur telescope/optical
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So you really want to build a Telescope Mirror. want to be very careful with the Cerium Oxide as that part of the making of a mirror is a different process from the grinding of the mirror and you don't want to get the abrasive grits mixed up with the Cerium Oxide which is to be used as the polishing compound. As you watch a machine work
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SkyBadger Mirror Grinding Machine. The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit, rouge and pitch to manufacture a mirror.
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C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers.
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mirror grinding machine plans . telescope mirror grinding machine plans; Telescope Mirror Making Frontier Homepage, Home--Mirror making Telescope Mirror Making, Making your own telescope is a, blank for all stages of making a mirror hogging out, rough and fine grinding, Get Price.
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GRINDING A TELESCOPE REFLECTOR WITH TOOL-GRINDING DEVICE By George F. Tauchmann Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable. Small mirrors are generally ground and polished by rotating the tool, fastened to the turntable, and working the mirror blank by hand
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Telescope Mirror Making Guide Rough Grinding; WARNING During all stages of mirror making (including grinding, smoothing, polishing, and beveling) keep your mirror, tool, pitch lap, grit, abrasives and polish wet to prevent glass particles from becoming airborne as you work. Failing to do so can cause long-term damage to your lungs.
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Making a Refractor Telescope is a hands-on book for the amateur who has always thought making a refractor was too difficult to even consider. Since publication of Albert Ingall's first volume of Amateur Telescope Making, amateurs, using rudimentary tools, have made thousands of telescopes.
Get PriceJan 26, 2012Want To Make A Giant Telescope Mirror? Here's How Astronomers want increasingly large telescopes to peer into the depths of space. To build a solid telescope mirror nearly 30 feet across, you need
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Can You Do It? Make your own telescope mirror, that is? by Doug Scobel Printed in Reflections June, 2003.. Make your own Newtonian telescope mirror that is? Most people think it is such a daunting task that they never even consider it.
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Surface grinding Wikipedia. Surface grinding is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it
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Originally the machine differed from the drawings. The bowl was stationary. As I wanted the machine to run unattended I used an automotive windscreen wiper pump to direct streams of polishing compound onto the mirror. This failed because the pump and tubing was too small and the latter clogged up.
Get Price
Originally the machine differed from the drawings. The bowl was stationary. As I wanted the machine to run unattended I used an automotive windscreen wiper pump to direct streams of polishing compound onto the mirror. This failed because the pump and tubing was too small and the latter clogged up.
Get Price
Waite Research Mirrors For Telescopes, Chandler, Arizona. 1,096 likes 2 talking about this. Maker of Premium Telescope Optics Gordon built the new grinding machine to accept easily-interchangeable turntables. The turntables just lift right off the machine. It's really nice to have the turntable properly sized for the mirror under
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