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buy mirror grinding machine

Mirror-o-Matic mirror making machine - ATM pages of Berthold .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. I started to look around and quickly found Dennis Rech's website about the M-o-M.buy mirror grinding machine,Buy mirror grinding machine and get free shipping on AliExpressBuy low price, high quality mirror grinding machine with worldwide shipping on AliExpress.

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Grinding Machine for Large Telescope MirrorsI 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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on the side of the machine.buy mirror grinding machine,buy mirror grinding machine,Ritchey Mirror Grinding Machine - National Air and Space MuseumGeorge 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.

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21 Comment on buy mirror grinding machine

mirror grinder page - James Crombie

I started thinking about building my own mirror grinding machine several years ago. Having been on . I spent a sunday afternoon at the shop machining the base for the eccentric drive. Note the . I started grinding on the 22nd of July with an 8" pyrex blank from a Willman-Bell kit I bought several years ago. I will start with an.

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. Also a.

Machine Mirror Making

In our shop we use fixed-post grinding and polishing, then parabolizing with an Elgin style system. 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.

Ritchey Mirror Grinding Machine - National Air and Space Museum

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.

buy mirror grinding machine,

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. Also a.

DATSCOPE - Telescope mirror grinding machine

New grinding machine. The new grinding machine is being used to re-make the old TRO 30 inch mirror and the three 20 inch mirrors. It will be capable of making a planned 1M telescope in the near future. TRO_30inch_machine_1.jpg. Original 30 inch TROK grinding machine. TROK_webimages_018.jpg. Link to the.

Mirror grinding machine | Hackaday

Sep 26, 2006 . The true test of the amateur astronomer is building their own telescope. 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. His site has notes covering his mirror creation machines and other.

Constructing grinding and polishing machines - SAO/NASA ADS

Constructing grinding and polishing machines John R. Nichol and John Wall The design, construction and use of grinding and polishing machines suitable for amateur use are discussed. Introduction Mirror or lens grinding by hand can be a labour of love: great fun at first but thereafter a chore if the pastime is to be that of a.

Making A Mirror Grinding Tool - Amateur Astronomers, Inc.

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, amateur astronomers have been building their own telescopes.

grinding, polishing and figuring - thin telescope mirror: part i

I can buy it easily and get all the starting work done on diamond-grinding machines - something most of you don't have access to. I've also figured a half-dozen plate mirrors larger than 16" and wouldn't trade the experience for a million dollars - not to mention the thousands of hours of excellent observing these mirrors have.

Astronomy Options | Astronomy, Mirror Making, Telescopes .

Aug 29, 2016 . Given the quality and results of this test, and baring any dramatic visual errors evident from the star test, i will likely move on to coating this mirror. I've spent an unbelievable amount of time getting to this point, and without the use of my grinding and polishing machine which is described in previous posts,.

Would an amateur telescope maker be able to grind a mirror 1 or .

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 -.

Wooden Telescope Part 1: the Mirror: 14 Steps (with Pictures)

Aug 17, 2015 . A telescope mirror requires an extreme surface precision. However, you will see that this quality is most of the time best achieved by hand rather than machine polishing. This is part of the reason why some people prefer building their own mirror instead of buying a cheap instrument. The other reason being.

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

Nov 12, 2014 . On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon. The theory behind grinding is that you can remove glass as long as you use a material with a higher hardness. Telescope makers use silicon carbide powders (a.k.a. carborundum) for this task. It is cheap.

Waite Research :: 24" F3.5 Mirror Fabrication

The big glass was placed on the turntable of my fixed-post grinding machine, with the face up. It must be carefully centered to turn with little or no runout when the turntable spins. I get it pretty close to perfect, with less than 40-thou of runout. The mirror is wet down and sprinkled with silicon carbide abrasive, then the tool is.

Making a Mirror. - Bob May's

If your time is money then you would be better off buying a nice mirror from someone else, but then you will really have no real pride that you'll have gotten if you had .. Grinding/polishing machines work by rotating the bottom piece (mirror or tool) and letting the top piece freely rotate about it's central axis as it desires to do.

A Tribute to Norm Oberle - Warren Rupp Observatory

. site out of Norm's purchase. It was a very dark site, and members built a 30-foot building. LEAP was donated mirror blanks of 31“ and 44” fused quartz from General Electric. These were test blanks for Mayall Solar Telescope at Kitt Peak. A mirror-grinding machine was assembled at LEAP site where Norm and Jim Thomas.

Fabrication of large secondary mirrors for . - Semantic Scholar

Lab that integrates a 1 .8-m stressed-lap polishing machine with interferometric and mechanical measuring systems. This paper presents data from a 1 .15-rn secondary that was finished in our shop, and from two other large mirrors that are cur- rently being fabricated. Keywords: optical fabrication, large optics, aspheres,.

High Speed Stainless Steel Mirror Polishing /Grinding Machine

China High Speed Stainless Steel Mirror Polishing /Grinding Machine, Find details about China Polishing Machine, Grinding Machine from High Speed Stainless Steel Mirror Polishing /Grinding Machine - Wuxi Zhongshuo Machinery Co., Ltd.

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