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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. Most of them

    telescope mirror grinding / polishing machine with

    15-02-2016· The machine is shown grinding a 300 mm mirror.How to build a tachometer: florin.myip.org/blog/making-tachometer-grinding-polishing-machine-telescope-m...

    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.

    Mirror-o-Matic mirror making machine ATM pages of

    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.

    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 rotated was fitted to the spindle. I also built another machine of the same type. Also a Hindle type machine for a southern firm to grind and

    Mirror Grinding Machine Hackaday

    26-09-2006· 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 Telescope making

    typical grinding kit. Now you need to decide about the focal length of your future mirror. If you are making this mirror to practice your skills for a future, large mirror you want to make, a fast, F4 F5 mirror is probably your best choice.

    Types of mirror grinding machines ATM, Optics and DIY

    16-11-2018· Uğur İkizler is a telescope maker in Bursa, and has made telescopes and a machine. I'm sure either of these telescope makers would help you to learn about making optics. There are others in Turkey also. Usually the same machine is used for grinding, polishing, and figuring. Types of machines: astrosurf...es-type-eng.htm. Among the machines shown, see the Elgin-Waineo machine. This is probably the most common type of machine.

    Mike's Telescope Workshop mdpub

    I finally decided it was time to build a machine to help me grind the edges of the blanks true and round. This is my home-built edge grinding machine for grinding down my home-cast mirror blanks. Click to see the whole project. This is a 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror blank that I made myself.

    telescope mirror grinding machine plans modellenjacht.nl

    03-06-2020· Mirror Grinding MachineMy 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 fi

    Mirror Grinding Machine

    Another Windows program for analyzing telescope mirrors. 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.

    Mirror Grinding Machine Hackaday

    26-09-2006· 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.

    Panasonic HDC-SD60 Telescope mirror grinding machine

    10-08-2015· Panasonic HDC-SD60 Telescope mirror grinding machine. Ex Webcam. Follow. 6 years ago 54 views. Panasonic HDC-SD60 Telescope mirror grinding machine. Report. Browse more videos.

    Newport Glass Works, LTD. Grinding, Polishing and

    Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine Article's Author: Bob Kestner . Part I Grinding . For many years, amateur astronomers and telescope makers thought it essential that glass for telescope primary mirrors be at least one-sixth as thick as its diameter.

    How I built an edge grinder for telescope mirror blanks.

    I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass should have a look at the MOM web site and plans. There are lots of good ideas there. The large wood circle will become the base of the turntable.

    Types of mirror grinding machines ATM, Optics and

    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,

    Waite Research Telescope Mirrors :: Home

    29-04-2010· 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.

    Mike's Telescope Workshop mdpub

    I finally decided it was time to build a machine to help me grind the edges of the blanks true and round. This is my home-built edge grinding machine for grinding down my home-cast mirror blanks. Click to see the whole project. This is a 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror blank that I made myself.

    Making mirrors for giant telescopes SPIE Digital Library

    The Starfire project provided much of the funding for a new polishing lab built in 1990 and equipped with an 8 m grinding and polishing machine and a 24 m test tower, which were first used to figure the 3.5 m mirrors. The Mirror Lab was not free to choose the focal ratios, so these mirrors were more conservative at f/1.5 f/1.75.

    Stellafane ATM:Mirror Making Myths

    You may notice that many commercial telescope advertisements proclaim they use "Hand Figured Optics" in fact this is one of the best and least expensive ways to get an accurate surface on a mirror most machines just can't hold the tolerances necessary, and any good telescope optic, including the mirror you could make in your kitchen, should be hand figured.

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

    11-05-2021· 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.

    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 grinding and polishing machine for the bigger mirrors I wanted to make. Specification. The machine must fullfill the following needs: It must be as compact as possible.

    Mirror Grinding Machine Hackaday

    26-09-2006· 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.

    Panasonic HDC-SD60 Telescope mirror grinding machine

    10-08-2015· Panasonic HDC-SD60 Telescope mirror grinding machine. Ex Webcam. Follow. 6 years ago 54 views. Panasonic HDC-SD60 Telescope mirror grinding machine. Report. Browse more videos.

    How I built an edge grinder for telescope mirror blanks.

    I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass should have a look at the MOM web site and plans. There are lots of good ideas there. The large wood circle will become the base of the turntable.

    Waite Research Telescope Mirrors :: Home

    29-04-2010· 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.

    Grinding an 8″ F/10 Telescope Mirror gordtulloch

    Grinding an 8″ F/10 Telescope Mirror. For this project (my first time ever grinding a mirror) I ordered an 8″ Black Vitrified Ceramic (BVC) blank without a pregenerated curve from ASM Products in Ste-Basile PQ. Ordering from Canada is always cheaper once you factor in all the taxes

    Astronomy Options Astronomy, Mirror Making,

    Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient.

    The shaping and testing of two 20” optical telescope mirrors

    •Grinding and polishing machine •Grinding and polishing tools •Mirror testing techniques •Digital data reduction. Large Mirror Making •For many years the standard amateur mirror telescope mirrors up to 2m are being considered for transportable applications. The Dobsonian Mount

    jeffbaldwin.org

    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.

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

    11-05-2021· 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.

    Grind and Polish a Dobsonian/Newtonian Telescope Mirror

    Just grinding the telescope mirror probably took 80-100 hours for me, 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 mirror

    Telescope mirror grinding machine / pottery wheel CN

    04-03-2021· 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

    The shaping and testing of two 20” optical telescope mirrors

    •Grinding and polishing machine •Grinding and polishing tools •Mirror testing techniques •Digital data reduction. Large Mirror Making •For many years the standard amateur mirror telescope mirrors up to 2m are being considered for transportable applications. The Dobsonian Mount

    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 mirror on a 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 work well.

    Mirror Grinding Machine ATM, Optics and DIY Forum

    29-09-2010· 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 like to do something a bit more modern. I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list

    Telescope Making Links Designs and Techniques

    Grinding,Polishing and Figuring Large Thin Mirrors Part 2 Polishing Astronomy, telescope making ,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineo's Desktop Grinding/Polishing Machine Ken Lilja's Grinding Machine Grinding Machine Figuring Figuring a Paraboidal mirror by thermal

    Stellafane ATM:Mirror Making Myths

    You may notice that many commercial telescope advertisements proclaim they use "Hand Figured Optics" in fact this is one of the best and least expensive ways to get an accurate surface on a mirror most machines just can't hold the tolerances necessary, and any good telescope optic, including the mirror you could make in your kitchen, should be hand figured.

    Parabolizing a Telescope Mirror BBAstroDesigns

    - Myron Emerson's Amateur Telescope Mirror Making GAP 47's machines summary David Harbour's Understanding Foucault Albert Highne's Portable Newtonian Telescopes Neale E. Howard's Standard Handbook for Telescope Making Albert G. Ingall's Amateur Telescope Making, Volumes 1-3 H. Dennis Taylor's The Adjustment and Testing of Telescope

    Telescope Making Supplies willbell

    Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective. Different techniques are

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