2007-2-13 · A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror is cheaper, it is …
2013-2-26 · I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it …
2021-3-4 · Up for sale is my telescope mirror grinding machine / pottery wheel. I used this machine to grind a telescope mirror and it worked great. No more walking around the barrel. Could be adapted with an overarm for a fully automated grinding machine. $125 shipped to CONUSA. Includes 3D printed mirror holder (mirror blank not included as seen in ...
2014-2-11 · Using various materials, such as German spectacle lenses, mirror glass and rock crystal, and with the help of various technical processes – he had already acquired his own grinding machine for lenses in late 1609 – Galilei designed an excellent …
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. GrindingPolishingMachine – LCAO. Telescope Making. Telescope Mirror Grinding and Polishing Machine. After I had made the 41-cm telescope mirror by hand I had decided that I needed a ...
A 6" or 8" mirror should take about 40 to 80 hours of effort. While this is a non-trivial amount of time, the mirror can be completed in a few months, and certainly within a year. Most people work one to three hours a day on their mirror about one or two times a week. Homemade Mirrors are …
2010-4-29 · Fine Grinding a 20" Quartz Telescope Mirror. Rough Grinding on the Fixed-Post Mirror Grinding Machine. Hogging the Curve on a 20" f/4.5 Quartz Telescope Mirror. Astronomy magazine names Waite Research''s Renegade telescope a top astro product of 2015. The 20" Renegade telescope offers fabulous viewing without climbing a ladder.
· Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror, but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would …
2014-7-21 · Grinding, Polishing and Figuring . Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 ... There are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend.
2021-6-23 · Grinding Machine for Large Telescope Mirrors. I designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work. …
telescope mirror grinding machine - crusher export Mirror Grinding Machine. telescope mirror grinding machine based on Dennis Rech''s M-o-M 20 My Mirror Grinding Machine For a long time I''ve wanted to build a machine .get price. Telescope Mirror and Lens Grinding Machine - Circa - uShip.
2012-3-19 · Here is the super simple grinding machine I built to true up the edges of the blanks. It is just an angle grinder with a masonry wheel mounted on the edge of a table. I also mounted a lazy-susan bearing on a piece of plastic between fixed guides. This …
Just grinding the telescope mirror probably took 80-100 hours for me, but I was learning a lot and taking my time. ... You are right, with larger mirrors (above 8") it is handy to have a machine do all of the hogging out work - they are relatively simple to build if you have access to a small motor. It''s a lot of glass to remove on a larger ...
2015-9-7 · Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about …
Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed …
2012-7-3 · A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo. Larger mirrors require a helper. ... April 1996, Sky and Telescope magazine starting on page 75 carries an article by Toshimi Taki, analyzing mirror cell design to support thin mirrors. He concludes that thin mirrors are most affected ...
This is a slotted block for the Mirror-o-Matic telescope mirror grinding and polishing machine Dennis Rech. You can look at for the information, plans and operations manual. All size parameters can be adjusted, as well as the diameter of the target mirror. The optional slots for washing out the grid from inside the block slit are also provided.
2001-4-12 · 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 "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was …
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. Please note that our kits do not include a grinding tool or pitch ...
2010-8-14 · The Cassegrain telescope is probably the first type telescope that the ATM would like to make after mastering the basic Newtonian telescope. In this article I will show how it is possible for the ATM to make his own Cassegrain telescope. ... This optic is small enough that a lens grinding machine could work well. I did not have a lens grinding ...
2021-10-30 · The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. …
2015-8-14 · 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.
· Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror, but …
I''ve also added a short description of a homemade refracting telescope lens I made years ago, making an optical flat, and a section on my astrophotos. Project Description. Previous Telescopes. In 1978, I finished my first homemade telescope mirror. It was an 8 inch, F/10, spherical mirror and was awful looking!
2018-11-27 · Complex structural components with small concave surfaces are widely needed in aerospace, optics, and electronic industry. On account of the interference between grinding wheel and workpiece and small concave surfaces, traditional grinding machine cannot realize the grinding process; hence, a specialized grinding machine tool with on-machine electric discharge truing function is …
100-inch telescope mirror on grinding machine at Mount Wilson Observatory''s Pasadena laboratory.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
2017-8-9 · Grinding machine for mirrors up to 42 inches [1.1m] in diameter. Can be configured for spin or stroke work.
CNC Optical Grinding Machines. Improve the quality of your surfaces along with your bottom line. In the world of precision grinding, accuracy, speed, and ease-of-use can coexist. Save time and money with fast job setups, optimal cycle times, and quick turnaround times. Make life easy with state-of-the-art motion control components and ...
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