Grinding Machine for Large Telescope Mirrors

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 - radicaldome.nl

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. Most of them came from industrial junk yards. More

Telescope Mirror Grinding Machine Plans

Mirror grinding machine ebay. save mirror grinding machine to get e-mail alerts and updates on your ebay feed. + items in search results telescope mirror grinding machine design info plans original 1951. a construction manual for converting the mirror -o-matic. the original mirror -o-matic had a turntable that doubled as a slurry drip pan.

Making a homemade mirror grinding machine - ATM, …

6-3-2006· Making a homemade mirror grinding machine - posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder , any good info on this , i have a couple geared motors , low speed high torque. One more question ...will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you , John

Making a homemade mirror grinding machine - ATM, …

6-3-2006· Making a homemade mirror grinding machine - posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder , any good info on this , i have a couple geared motors , low speed high torque. One more question ...will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you , John

Telescope grinding machine - Henan Mining Machinery …

1. home made grinding machine homemade telescope mirror grinding and polishingBuild Your Own Telescope, Complete Plans for Fiveby Richard Berry, 850" by 1100", 240 pages, hardbound, 3rd Editon published 2001, $2995 ABOUT THE BOOK For anyone who has ever dreamed of exploring the heavens with a telescope, Build Your Own Telescope can make 2. Astronomy, telescope making,mirror grinding …

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 quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

Telescope Grinding - YouTube

Very old mirror/lens grinding machine. This machine can grind and polish using different stroke patterns, i.e. w-stroke, short strokes, long strokes, etc. Cu...

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Rough grinding a telescope mirror. The Oltion Relationship Jerry Oltion points out that if the sagitta is 1/16 of the unit of measure, the focal ratio is the mirror diameter.

telescope mirror grinding machine price in india

telescope mirror grinding machines . Get Price Read More Mirror Grinding Machines telescope mirror grinding machine – Grinding Mill China Grinding and Testing a Telescope Mirror RASC St John s Centre You need special machinery to grind a mirror Indeed you do if you are going to use machinery at all The machinery must be made to mimic the human action Humans make the best

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 "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine of the same type.

Types of mirror grinding machines - ATM, Optics and DIY ...

16-11-2018· Types of mirror grinding machines - posted in ATM, Optics and DIY Forum: Hi to all, I am planning to make a mirror grinding and polishing machine but i have limited knowledge about these machines. Because of this i have some questions to someone who has some experience with those machines; - Some machines have fixed supportes and some of them have a prestaltic moving arm, …

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A lot has changed since Russell Porter wrote those words - today the "average workman" can afford to buy an already made telescope and Dobsonian mountings are very popular. Much is also unchanged - 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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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 1/8 diameter of the mirror, and is fixed in this position.

Types of mirror grinding machines - ATM, Optics and DIY ...

16-11-2018· Types of mirror grinding machines - posted in ATM, Optics and DIY Forum: Hi to all, I am planning to make a mirror grinding and polishing machine but i have limited knowledge about these machines. Because of this i have some questions to someone who has some experience with those machines; - Some machines have fixed supportes and some of them have a prestaltic moving arm, …

Telescope Grinding - YouTube

Very old mirror/lens grinding machine. This machine can grind and polish using different stroke patterns, i.e. w-stroke, short strokes, long strokes, etc. Cu...

Mirror Grinding Machine | Hackaday

26-9-2006· Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.

mirror grinding kits - stezovska-zahrada.cz

Telescope Mirror Kits - Firsthand DiscoveryWant to build your own telescope? Start with one of our telescope mirror kits. Each ... rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant. Home>Products. mirror grinding kits 2018-09-26T07:09:22+00:00 Who we ...

Ritchey Mirror Grinding Machine | National Air and Space ...

21-7-2020· George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s. Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.

Stellafane ATM Main Page

A lot has changed since Russell Porter wrote those words - today the "average workman" can afford to buy an already made telescope and Dobsonian mountings are very popular. Much is also unchanged - mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s.

Elgin Mirror Grinding Machine - Campus Rugby 2019

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. 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.

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.

Joy of Mirror Making: Fine Grinding

Fine grinding a telescope mirror. The Joy of Mirror Making ... 1.5 inches [4cm] or thinner, the mirror back must be ground flat, or at least regular in shape before beginning fine grinding the mirror's face. Cast a tool specifically for the mirror's back, and …

Build your own telescope part 1: The mirror – Thomas ...

Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror …