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  • Which Style Grinding Machine For Telescope Mirror? (Best
    Which Style Grinding Machine For Telescope Mirror? (Best

    Dec 13, 2021 Which Style Grinding Machine For Telescope Mirror? (Best solution) Author Chester Griffith Posted on Posted on 13.12.2021. 0. What is the most efficient method of grinding mirrors? Roughness in stroke numbers, tool rotation, and disc rotation are all important factors in good mirror grinding. Making a tile tool out of tiles that have been

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  • Grinding Machine for Large Telescope Mirrors
    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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on the side of the machine

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  • Telescope Mirror Grinding Machine | Crusher Mills, Cone
    Telescope Mirror Grinding Machine | Crusher Mills, Cone

    Grinding Machines A Mirror-O-Matic Machine. 50 Inch telescope (1.3 meter telescope) at the Astronomical … The 1.3m telescope mirror blank has been completed by Peter Wangsness and is now at JP Astrocraft in Charleston, … 1.3-m Mirror Grinding Machine

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  • Mirror Grinding Machine
    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

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  • Telescope Making Links - Designs and Techniques | STAR
    Telescope Making Links - Designs and Techniques | STAR

    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 predistortion Optical Testing The Basics of Telescope Testing Test Stand

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  • Mike's Telescope Workshop
    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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  • Lens Grinding Machine | Astromart
    Lens Grinding Machine | Astromart

    Commercial lens grinding and polishing machine. Produces a back and forth W stroke as the tool rotates. Upper disk can be made to rotate also. Independent variable speed controls allow you to vary the speed of rotation of the tool seperately from the lower disk

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  • Strasbaugh polishing and grinding machine - Astromart
    Strasbaugh polishing and grinding machine - Astromart

    Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy. The machine has multiple adjustments as you can see from the pictures

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  • Types of mirror grinding machines - ATM, Optics and DIY
    Types of mirror grinding machines - ATM, Optics and DIY

    Nov 16, 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: http://www.astrosurf...es-type-eng.htm. Among the machines

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  • Constructing a Grinding Machine for large apertures
    Constructing a Grinding Machine for large apertures

    Nov 19, 2018 Page 1 of 2 - Constructing a Grinding Machine for large apertures - posted in ATM, Optics and DIY Forum: Ive been using a 4.5 equatorial from Orion for many years now and Ive finally got the time and money to build a telescope from the ground up. Unfortunately my local astronomy club has no-one with experience with ATM-ing. Given how interested I am on the

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  • Amateur Telescope Making Main Page - Stellafane
    Amateur Telescope Making Main Page - Stellafane

    Amateur Telescope Making Main Page. For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out to build a telescope just for fun he will find, before his labors are over, that he has become seriously

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  • 19 Facts About Telescopes That Kids Will Absolutely Love
    19 Facts About Telescopes That Kids Will Absolutely Love

    Jan 17, 2022 The initial step is cutting, followed by grinding and later on polishing. Different kinds of polishing and grinding machines are used for this purpose. This process is the key behind the high magnifying powers of the lenses of a telescope. A Hubble telescope can see as much as 7,000 miles, making it one of the most powerful telescopes

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  • Mel Bartels' Amateur Telescope Making - BBAstroDesigns
    Mel Bartels' Amateur Telescope Making - BBAstroDesigns

    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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  • Ritchey Mirror Grinding Machine | National Air and Space
    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 initially intended for the Yerkes Observatory

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  • Making mirrors for giant telescopes - SPIE Digital Library
    Making mirrors for giant telescopes - SPIE Digital Library

    Fine grinding and polishing of Segment 2 took less than half the calendar time as the same operations for Segment 1. Development of tests for the GMT off-axis segments was a major challenge. Like all modern telescope mirrors, they are measured with an interferometer and a null corrector, shown in Figure 12. The null corrector converts a

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  • TELESCOPE MAKING - deep-sky
    TELESCOPE MAKING - deep-sky

    TELESCOPE MAKING. 8 inch Ritchey-Chretien. The Bolton Group. The Ritchey-Chretien (RC)Cassegrain design of telescope is the one invariably chosen for most of the World's professional telescopes - including the Hubble Space Telescope. On axis it is perfect as the ray trace shows. Off axis it is corrected for coma - the bain of amateur reflecting

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  • grinding machine telescope
    grinding machine telescope

    telescope mirror grinding machines – Grinding Mill China. telescope mirror grinding machine - crusher export Mirror Grinding Machine. telescope mirror grinding machine based on Dennis Rech's M-o-M 20 My Mirror Grinding Machine For a long time I've wanted to

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  • telescope mirror grinding machine
    telescope mirror grinding machine

    A telescope mirror requires an extreme surface precision , will see that this quality is most of the time best achieved by hand rather than machine polishing , Mark the larger holes with a Sharpie and continue grinding until those are gone

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  • The Perfect Machine Building the Palomer Telescope
    The Perfect Machine Building the Palomer Telescope

    As a purchasing agent in the Astrophysics Machine Shop, Al Shea was thrilled by the 100-inch Mount Wilson telescope and grateful to be part of the construction of the 200-inch Palomar telescope. Every night at the supper table I would hear names like Bruce Rule, Mickey Sherburne, Fritz Zwicky, and Caltech's president, Robert Millikan

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  • Amazon.com: Customer reviews: The Perfect Machine
    Amazon.com: Customer reviews: The Perfect Machine

    Jun 15, 2018 The Hubble telescope had a similar gestation, as superbly described in Robert Zimmerman's more recent book, The Universe In a Mirror. Reading The Perfect Machine with the web to amplify the text further enriches the experience. For example, it is possible to obtain good copies of the amazing Russell Porter drawings from a Cal Tech archive

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  • The James Webb Space Telescope owes its success to
    The James Webb Space Telescope owes its success to

    Jan 26, 2022 When Hubble launched in 1990, mission managers missed a defect in the primary mirror that threated the entire project. NASA vowed to not repeat that mistake with Webb

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  • Grinding/polishing/figuring machine for large mirrors of
    Grinding/polishing/figuring machine for large mirrors of

    Jun 01, 1994 A milliarcsecond x-ray telescope can image stars and can observe galaxies with resolution matching radio astronomy--opening the door to fundamental discoveries. The convenient milliarcsecond x-ray optic is a paraboloid mirror with a graze angle close to half degree and with 0.1 arc sec tolerance. For a reasonable plate scale, the cross sectional radius of the

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  • tut44 Making A Mirror Grinding Tool
    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, amateur astronomers have been building their own telescopes

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  • Wooden Telescope Part 1: the Mirror : 14 Steps (with
    Wooden Telescope Part 1: the Mirror : 14 Steps (with

    CNC machining is already the standard way of grinding and polishing telescope mirrors at an industrial level. This method usually produces consistent and good results. Some amateurs actually use grinding machines to cut most of the grinding and polishing time. Figuring is actually the most sensitive part

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  • Making the 20 inch Conical Mirror | Pierre Lemay
    Making the 20 inch Conical Mirror | Pierre Lemay

    The 20″ telescope project began after I located a suitable slab of glass. In 1990 I saw a classified ad in Sky and Telescope by Dick Nelson, owner of the Optical Crafstman telescope making company. ... To do these operations I built a grinding machine which would be used throughout the project. My grinding machine

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

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  • Discovering Mount Wilson Chapter 14: The 100-inch Telescope
    Discovering Mount Wilson Chapter 14: The 100-inch Telescope

    Sep 14, 2021 The 100-inch telescope, like the 60-inch before it, was a great success. Together the 100-inch and 60-inch telescopes help define the important legacy of Mount Wilson Observatory to the field of astronomy and astrophysics

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  • Explore how telescope mirrors are made
    Explore how telescope mirrors are made

    Jul 27, 2021 Making a telescope mirror. To start, a new mirror blank is “sanded” down to create a precise parabolic curve in a process called grinding. To do that, the blank is

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