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telescope mirror grinding machine

  • Homemade Telescope MakingGoogle Sites

    (3) A homemade telescope mirror can be made with more accuracy and smoothness than the mass-produced commercial mirrors available today. Unfortunately the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best.

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  • Making my own fixed post mirror grinding/polishing machine

    Oct 15 2012 · Page 1 of 2Making my own fixed post mirror grinding/polishing machineposted in ATM Optics and DIY Forum Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical

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  • Stellafane ATM Build Mirror Test Equipment

    The Mirror Test Stand. The mirror test stand must be able to support the mirror vertically. The mirror will need to be aligned with the tester which may require adjusting the overall height of the mirror with respect to the tester adjusting the vertical tip of the mirror and adjusting the yaw or side-to-side angle with respect to the tester.

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  • Telescope Mirror Making Part 3 Rough GrindingYouTube

    After hogging the mirror blank to depth the rough grinding stage begins. In this video I am grinding with 60/90 grit. The wets are lasting about 90 second

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  • 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.

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  • Joy of Mirror Making IntroductionBBAstroDesigns

    Stone tools go back 3.3 million years. 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. It s also arguably the most accurate surface made by man or machine. If the mirror

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  • Ritchey Mirror Grinding Machine National Air and Space

    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

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  • Large Thin Mirror MakingBBAstroDesigns

    In addition a great deal of money will be saved a finished 24" scope will set you back 7 000 grinding your own mirror and building the mount yourself will cost you 2 000. Amateurs have made mirrors up to 41" by hand. A grinding machine relieves the labor but is not necessary. A 24" is the largest you can comfortably do solo.

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  • jeffbaldwin

    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.

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  • Buy Telescope MirrorsJim s Mobile

    Jim s Mobile Inc. (JMI Telescopes) is a world renowned manufacturer of astronomical telescopes and aftermarket accessories for the amateur and professional astronomer. We manufacture telescopes and accessories such as telescope wheels carrying cases guiding computers focusers motors and motor controls and much more.

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  • Astro-TelMirror 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.

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  • Mike s Telescope Workshop

    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.

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  • Buy Telescope MirrorsJim s Mobile

    Jim s Mobile Inc. (JMI Telescopes) is a world renowned manufacturer of astronomical telescopes and aftermarket accessories for the amateur and professional astronomer. We manufacture telescopes and accessories such as telescope wheels carrying cases guiding computers focusers motors and motor controls and much more.

    Chat Online
  • Ritchey Mirror Grinding Machine National Air and Space

    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

    Chat Online
  • Telescope Mirror Blanks / TelescopeMirrorBlanks

    Please see the Buy Telescope Mirror Blanks page for low prices on plate glass mirror blanks. If you d like to buy a complete mirror grinding KIT with all abrasives and grinding tool included please see the Buy Telescope Mirror Kits. website for the lowest prices on plate glass telescope mirror grinding kits.

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  • Stellafane ATM Build Mirror Test Equipment

    The Mirror Test Stand. The mirror test stand must be able to support the mirror vertically. The mirror will need to be aligned with the tester which may require adjusting the overall height of the mirror with respect to the tester adjusting the vertical tip of the mirror and adjusting the yaw or side-to-side angle with respect to the tester.

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  • Telescope Mirror Blanks / TelescopeMirrorBlanks

    Please see the Buy Telescope Mirror Blanks page for low prices on plate glass mirror blanks. If you d like to buy a complete mirror grinding KIT with all abrasives and grinding tool included please see the Buy Telescope Mirror Kits. website for the lowest prices on plate glass telescope mirror grinding kits.

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  • Stellafane ATM Build Mirror Test Equipment

    The Mirror Test Stand. The mirror test stand must be able to support the mirror vertically. The mirror will need to be aligned with the tester which may require adjusting the overall height of the mirror with respect to the tester adjusting the vertical tip of the mirror and adjusting the yaw or side-to-side angle with respect to the tester.

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  • Astronomy Options Astronomy Mirror Making Telescopes

    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. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum

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  • Stellafane ATM Mirror Making Myths

    Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs Not True Telescope mirrors can be made in your kitchen basement or garage with nothing more than the mirror blank and a second piece of glass (called the tool) to rub the mirror

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  • 24" F/6 thin telescope mirror grinding 3/4" plateATM

    Nov 06 2013 · Page 1 of 224 F/6 thin telescope mirror grinding 3/4 plateposted in ATM Optics and DIY Forum A friend and I have decided to grind this as a fun yet challenging project. I have ground and polished several mirrors including a 6 8.5 9.2 and 14.7 quartz mirror. I have decided to take the next step with this ultra-thin setup. I know it is bordering on the edge of extremely thin with a 32

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  • Astro-TelMirror 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.

    Chat Online
  • Astronomy Options Astronomy Mirror Making Telescopes

    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. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum

    Chat Online
  • Astronomy Options Astronomy Mirror Making Telescopes

    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. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum

    Chat Online
  • Telescope Mirrors Blanks Secondaries Grinding Materials

    TELESCOPE MIRRORS BLANKS TOOLS TESTERS GRINDING MATERIALS POLISHING MATERIALS ALUMINISING MIRROR BOX RONCHI LASER FOUCAULT 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 220 " " 3AUD 320 " " 4AUD 500 " " 6AUD 1000

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  • Document sans nomAstrosurf

    This alligator device is ideal for placing the driving contact as close as possible to the mirror surface which limits the risks of a rocking effect. Yet it requires a regular shape of the mirror side (circular and vertical). The alligator is mostly used on Hindle-type machines but it may be adapted to other types of machines (see photo below).

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  • Obsession Telescopes / Optics

    A telescope mirror is designed to form a diffraction limited image of a point source. Ideally a certain percentage of the light in the image will fall within the diffraction disk diameter. The Strehl ratio compares the mirror s actual performance in terms of its ability to

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  • Mel Bartels Amateur Telescope Making

    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. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

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  • GRINDING A TELESCOPE REFLECTOR WITH TOOL

    Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable. Small mirrors are generally ground and polished by rotating the tool fastened to the turntable and working the mirror blank by hand either in straight or in circular strokes over the tool. In this case the overhang of the mirror

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  • Mel Bartels Amateur Telescope Making

    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. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

    Chat Online
  • Telescope Mirror Grinding Machines

    Telescope Mirror Grinding Machines Mc World. 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

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  • Telescope Mirror Blanks / TelescopeMirrorBlanks

    Please see the Buy Telescope Mirror Blanks page for low prices on plate glass mirror blanks. If you d like to buy a complete mirror grinding KIT with all abrasives and grinding tool included please see the Buy Telescope Mirror Kits. website for the lowest prices on plate glass telescope mirror grinding kits.

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  • 800mmthe mirrorDIY AstronomerStargazers Lounge

    A M-o-M (Mirror-o-matic) is a very good concept. The mirror rotates and the 75 diameter tool swings back and forth. There s lots of information on the net about the technique how-to . I have two of these machines that can easily handle 20" mirrors. I m busy right now grinding a

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  • Stellafane Early History

    Whimsical Mirror Grinding Machine Cartoon Porter always seemed to be sketching something and in this 1936 illustration he created a Rube Goldberg style mirror grinding machine with a napping amateur providing biometric timing control via heartbeat and breathing. 1899 was the book Porter used to teach himself telescope mirror making in

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  • 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

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  • Making my own fixed post mirror grinding/polishing machine

    Oct 15 2012 · Page 1 of 2Making my own fixed post mirror grinding/polishing machineposted in ATM Optics and DIY Forum Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical

    Chat Online