mirror grinding mirrors

Grind and Polish a Dobsonian/Newtonian Telescope …

I went through the process of grinding a 6" mirror as a teenager and always wondered how mirrors are aluminized - even though mine was silvered, which doesn''t last as long and eventually tarnishes. My first ever late-twilight view of the moon blew my mind.

Read More

Leonardo Da Vinci''s mirror making machines

ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines .Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding ...

Read More

Making a homemade mirror grinding machine

 · The larger one is for grinding and polishing mirrors and is also used at higher speeds to centrifugally cast resin mirrors, an experiment I am playing with in my spare (sic!) time. The smaller mirror is used for power wrapping epoxy impregnated fiberglass around mandrels for making tubes and cylindrical components for open trusses.

Read More

Mirror Grinding Machine | Hackaday

 · 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.

Read More

Astro-Tel

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 ...

Read More

Mirror Grinding

 · Page 1 of 3 - Mirror Grinding - Take A Class Or DIY? - posted in ATM, Optics and DIY Forum: Ive been interested in grinding/polishing my own Newt mirror for a long time but dont know how to get started. As a beginner, would you recommend attending a workshop ...

Read More

Telescope Mirrors, Blanks, Secondaries, Grinding …

Telescope Mirrors, Blanks, Secondaries, Grinding Materials, Testers, Aluminising, Making Advice ... per kilo $40AUD Tin oxide grinding powder per kilo $30AUD Pumice grinding powder per kilo $30AUD 80 Grade grinding powder per 8" mirror $2AUD 120 " " $2AUD ...

Read More

Robotic mirror grinding?

 · Robotic mirror grinding? - posted in ATM, Optics and DIY Forum: This is hopefully not too out there, im just thinking out loud about something id wondered about for years, and was curious how feasible it is... Many years ago I stumbled across Group 70 http ...

Read More

Diy mirror grinding aspherical : telescopes

OP is specifically asking about grinding/polishing/figuring the segments of a segmented mirror, which is a far more complex process than a normal parabolic mirror that ATMs make, for both figuring the mirrors themselves, as well as the engineering challenges of

Read More

Mirror Grinding Machine, G. W. Ritchey | National Air and …

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.

Read More

Mirror Grinding Machine

Very last knife edge readings for this mirror (I think). Here is the project file (source code). It was created using Microsofts VC++ ver 6. If you don''t have at least that, this file probably won''t be very useful. ParabProj.zip - About 170 kb. Tom Stokes 12/25/12

Read More

Mirror grinding safety

 · Mirror grinding safety - posted in ATM, Optics and DIY Forum: When grinding mirrors ATMs use grit sizes as small as 9, 5, 3 or sometimes even 1 micron. I am not yet at such small sizes and do not yet have to mix grit and water in a bottle to pour drops of it onto the mirror. I wear a dust mask to be sure not to breathe in any grinding dust as I have read in a book that someone had to see a ...

Read More

Grinding Machine for Large Telescope Mirrors

Grinding machine for mirrors up to 42 inches [1.1m] in diameter. Can be configured for spin or stroke work. 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 ...

Read More

Edge Grinding Glass Mirror Suppliers, all Quality Edge …

Edge Grinding Glass Mirror, Edge Grinding Glass Mirror Suppliers Directory - Find variety Edge Grinding Glass Mirror Suppliers, Manufacturers, Companies from around the World at mirror glass,mirror glass round dining table,pink mirror glass, Mirrors

Read More

Joy of Mirror Making: Introduction

Pounding, scraping, knapping, grinding combined with fire, heat, melting leads us today to grinding telescope mirrors from glass. Making a telescope mirror is one of the most satisfying and sublime joys you will experience.

Read More

Optical Testing of Parabolic Mirrors : 9 Steps (with …

Optical Testing of Parabolic Mirrors: If you are building a telescope or if you want to see if a telescope primary mirror has a good ''figure'' before you buy it, you need to perform an optical test of the mirror. A properly figured primary Newtonian mirror is a near-perfect

Read More

Mirror Grinding Machine | Products & Suppliers | …

 · Find Mirror Grinding Machine related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Mirror Grinding Machine information. Description:, mirrors, sub-assemblies and optical thin film coatings.They also manufacture ...

Read More

Dick Parker''s Telescope Mirror Workshop: Cassegrain …

Grinding the secondary is just like grinding any other optic except in minature. I ground the secondary with the workstand and worked the tool on top just like I would grind a larger mirror. This optic is small enough that a lens grinding machine could

Read More

Mirror Grinding

 · Page 2 of 3 - Mirror Grinding - Take A Class Or DIY? - posted in ATM, Optics and DIY Forum: Thanks Ed. Having taught over 30 years a ATM class and 50 years professional, Read all you can, there are many paths one can follow making mirrors. I like All about Telescopes because its simple and has great drawings of what to expect. It is a hand based skill, anyone can cut down a tree, but …

Read More

Telescope Mirror Blanks / TelescopeMirrorBlanks

There are several advantages to using thin plate glass mirror blanks for grinding your telescope mirror: * Thin mirror blanks are less expensive, allowing more people to afford the hobby of grinding their own telescope mirror. * Choosing a thin mirror blank gets you more aperture for your dollar. * Telescope mirrors made from thin mirror blanks ...

Read More

grinding an optical flat mirror

Flat mirrors (and in the following any mirror with a radius of curvature in the range of several kilometers or on its way to it will be a "flat" mirror ) have to meet two conditions: They should have a (spherical) surface free of zonal defects and the radius of curvature of the sphere should be as large as possible, in the range of several kilometers up to over 100 kilometers, depending on ...

Read More

Optic Wave Laboratories

Optic Wave Labs offers the services of its in-house coating facility to the public. We provide standard aluminum, semi-enhanced aluminum, enhanced aluminum, gold and silver coatings. Our automated deposition system can accommodate telescope mirrors up to 22 inches in diameter. We coat new mirrors as well as re-coat your existing mirror.

Read More

tut44 Making A Mirror Grinding Tool

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, "I can make my own telescope." Most amateur astronomers believe, "I can buy a better telescope than I can build." Neither is actually correct. For many decades now

Read More

Mirror-o-Matic mirror making machine

The M-o-M is a marvellous machine due to its simplicity and yet refined design. It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing a mirror. That is you can use it to grind, polish and figure your optics.

Read More

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 ...

Read More

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

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate

Read More

Large Thin Mirror Making

Having made a dozen mirrors of 16" to 30" in size, it is my suggestion that 2" thick pyrex glass is significantly easier to work with than thinner pyrex glass. In particular, there is much less concern for astigmatism during fine grinding, and flexing of the mirror at the

Read More

Fixed post mirror grinder advice

 · Hi AllWeve been having some idle discussions about grinding mirrors here. In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dream at the moment, but has

Read More

Mirror

Mirror mirrors, glass, grinding, eye, image, angle, beam, optical and light Page: 1 2 3 Optical Illusions. Many optical illusions can be produced by the aid of plane mirrors, usually unsilvered or semisilvered or platinised ones are required. One of the commonest of ...

Read More

Joy of Mirror Making: Rough Grinding

31  · Grinding the curve into the mirror face can be done by one of the following approaches: …

Read More

Mirror grinding stand

the action of grinding on them to see what height works best for you. The top is 20" diameter 3/4" plywood. The top support is a 17 X 17" square of 3/4" plywood, with the corners clipped off to make an octagon. The truss consists of eight 3/4 X 2" pine slats

Read More

mirror grinding kit grind and polish telescope mirror at …

All our Mirror Kits contain a Pilkington Float Glass mirror blank and Grinding Tool. These arefinished with fine ground edges. 180 grade first stage ginding powder 400 grade ginding powder

Read More