homemade mirror grinding machine

  • Making a homemade mirror grinding machine ATM,

    3/6/2006· Or turn the mirror into an f/3 and move the tool towards the center of the mirror to deepen. I deepened about 20" in ROC 10 minutes, much easier to deepen for me at least. Most of the work changed around 1" 2" ROC.

  • tut44 Making A Mirror Grinding Tool Asterism.org

    of the mirror. The easiest way to do this is by placing a stiff metallic straight edge across the mirror face center spanning edge to edge. You then measure the gap between the straight edge and the mirror face at the center with a set of feeler gauges. You can also use a “spherometer” which is a device

  • Mirror Grinding Machine

    The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20" dish used for holding potted plants. About $5.00 at Home Depot.

  • Homemade polishing machine,Grinding 10" pyrex

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  • Homemade grinding polishing machine YouTube

    3/19/2010· Homemade grinding polishing machine YouTube. Homemade grinding polishing machine. Watch later. Share. Copy link. Info. Shopping. Tap to unmute. If playback doesn't begin shortly, try restarting

  • Building a fixed post mirror grinding machine

    8/19/2019· - an old homemade desk serve as the platform (free) I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. this is a glass grinding machine". Spouse: "OK, Have fun with that, be sure you vacuum up the mess, and throw out all the sundry flotsam." Its going to take a huge vacuum.

  • 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.

  • Telescope mirror grinding machine hotelkottaram

    Ritchey Mirror Grinding Machine 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.

  • Stellafane ATM:Mirror Making Myths

    With the Mirror on top, the tool on the bottom, and coarse grit in between, we start grinding with the mirror overhanging the tool. We rub the center of mirror against the edge of the tool, and this wears a depression in the center of the mirror (the edge of the tool wears down also, so that the tool becomes convex (a "hill" in the center) and the mirror becomes concave (a shallow "bowl").

  • Telescope Making Links Designs and Techniques STAR

    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.

  • 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.

  • Building a fixed post mirror grinding machine

    8/19/2019· - an old homemade desk serve as the platform (free) I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. this is a glass grinding machine". Spouse: "OK, Have fun with that, be sure you vacuum up the mess, and throw out all the sundry flotsam." Its going to take a huge vacuum.

  • mirror grinding machine design glasinloodentiffany

    Mirror Grinding Machine, G W Ritchey. George Willis Ritchey built this mirror grinding machine,design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror

  • 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 (e.g. F/D = 8) will be performing very well on planets and the moon.

  • Large Thin Mirror Making BBAstroDesigns

    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.

  • Telescope mirror grinding machine

    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. Get Price

  • Telescope mirror grinding machine hotelkottaram

    Ritchey Mirror Grinding Machine 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.

  • 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.

  • Stellafane ATM:Mirror Making Myths

    With the Mirror on top, the tool on the bottom, and coarse grit in between, we start grinding with the mirror overhanging the tool. We rub the center of mirror against the edge of the tool, and this wears a depression in the center of the mirror (the edge of the tool wears down also, so that the tool becomes convex (a "hill" in the center) and the mirror becomes concave (a shallow "bowl").

  • How to Make Your Own Telescope Mirror Instructables

    How to Make Your Own Telescope Mirror: [Fig 1] This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and 0.75" thick. Its what I decided to use to make the mirror. Cutting it into smaller sections can be difficult but scoring it with a glass cutter