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mirror grinding machines

MyMirror Grinding Machine. For a long time I've wanted to build amachineforgrindingtelescopemirrors. 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 came from industrial junk yards.

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  • Grinding Machine for Large Telescope Mirrors
    Grinding Machine for Large Telescope Mirrors

    Grinding Machinefor Large TelescopeMirrors. I designed and built agrinding machineformirrorsup to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, themachinecan quickly be reconfigured for spinning work or for stroking work. Themachinecan also work smallermirrorsif the drip pan is moved to the fast shaft on ...

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  • Ritchey Mirror Grinding Machine | National Air and Space
    Ritchey Mirror Grinding Machine | National Air and Space

    Under the sponsorship of George Ellery Hale, themachinewas used togrinda series of telescope mirrors starting with a 24-inch and then a 60-inchmirrorfor a telescope initially intended for the Yerkes Observatory. Thegrinding machinewas moved to Pasadena in 1904 to complete work on the 60-inchmirror.

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  • Mirror-o-Matic mirror making machine - ATM pages of
    Mirror-o-Matic mirror making machine - ATM pages of

    The M-o-M is a marvellousmachinedue to its simplicity and yet refined design. It is extremely flexible accommodatingmirrorsizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing amirror. That is you can use it togrind, polish and figure your optics.

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  • Astro-Tel - Mirror grinding machine
    Astro-Tel - Mirror grinding machine

    MIRROR GRINDING MACHINE. I made my firstmirror grindingandpolishing machineover thirty years ago. It used the working principle of themachineillustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated

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  • Mirror Grinding Machine Plan
    Mirror Grinding Machine Plan

    Mirror-o-Maticwas designed to be a very low cost astronomicalmirror grindingpolishing and figuringmachineIts attributes are 1 It can be built for somewhere between $200 and $400 2 It is constructed of hardware store items and it needs nomachinedparts 3 It is constructed primarily of 3 4 inch plywood and has few close tolerances 4

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  • Making a homemade mirror grinding machine - ATM, Optics
    Making a homemade mirror grinding machine - ATM, Optics

    Mar 06, 2006· Making a homemademirror grinding machine- posted in ATM, Optics and DIY Forum: I want to make a motorizedmirrorgrinder , any good info on this , i have a couple geared motors , low speed high torque. One more question ...will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you , John

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  • mirror grinding moulding
    mirror grinding moulding

    In September 1858, shortly after his return from Europe, Draper began the construction of amirror grinding machineof Lord Rosse's design. Advances in Abrasive Technology XVI The superhard diamondgrinding wheelwith large-grit size plays an important role in precisionmirror grinding… Astro-Tel - Moulding Polishing Laps 1

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  • Newport Glass Works, LTD. Grinding, Polishing and Figuring
    Newport Glass Works, LTD. Grinding, Polishing and Figuring

    This is why you don't want to makemirrorsto be worked onmachinestoo thin. For 16" to 18"mirrors, 1.62" thick is the thinness I would recommend. There are several ways to support themirroron agrindingand polishingmachineturntable, but first make sure the turntable itself is rigid. It must not bend.

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  • 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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  • Mirror Grinding Machine» Leonardo Da Vinci's Inventions
    Mirror Grinding Machine» Leonardo Da Vinci's Inventions

    The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it.

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  • mirror grinding machines. - ATM, Optics and DIY Forum
    mirror grinding machines. - ATM, Optics and DIY Forum

    Oct 03, 2006· Thanks for the video Jim. I had no idea that thesemachinesran at those speeds. When I built mymachine, I didn't have a computer or any books on buildinggrinding machinesso I built one that mimics the stroke a person would do. For instance, my turntable rotates at just one RPM and the stroke eccentric turns at 36 RPM.

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  • Leonardo Da Vinci'smirrormakingmachines
    Leonardo Da Vinci'smirrormakingmachines

    of mirror making machines.   One machine is designed for grinding concave mirrors of small focal length.   The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.   Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask

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  • telescopemirror grinding machine
    telescopemirror grinding machine

    m o mmirror grinding machine. telescopemirror grinding machineplans. Making aMirror grindingPolishing machineATM Optics 2015-03-16· Page 1 of 5Making aMirror grindingPolishing machineposted in ATM Optics and DIY Forum Hello I am on the half of the way to make amirror grinding machineinspired by original M-O-M design I made the pulley arrangement such a way that both the …

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  • Mirror Grinding Machine» Leonardo Da Vinci's Inventions
    Mirror Grinding Machine» Leonardo Da Vinci's Inventions

    Themirroror lensgrinding machineis a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it. Thismachinewas most likely designed by Leonardo while he was either investigating the different ways that light reflected off things or maybe he was planning on ...

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  • Grinding Machinefor Large TelescopeMirrors
    Grinding Machinefor Large TelescopeMirrors

    Grinding Machinefor Large TelescopeMirrors. I designed and built agrinding machineformirrorsup to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, themachinecan quickly be reconfigured for spinning work or for stroking work. Themachinecan also work smallermirrorsif the drip pan is moved to the fast shaft on ...

    Get Price
  • Leonardo Da Vinci'smirrormakingmachines
    Leonardo Da Vinci'smirrormakingmachines

    Onemachineis designed forgrindingconcavemirrorsof small focal length. The othermachine, a much larger piece to implement, grindsmirrorsof large focal lengths. Though Leonardo da Vinci creates sketches ofmirror grinding, one crucial and logical question to ask is whether he used suchmirrorsin his artwork or drawing.

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  • Types ofmirror grinding machines- ATM, Optics and DIY
    Types ofmirror grinding machines- ATM, Optics and DIY

    Nov 16, 2018· Types ofmirror grinding machines- posted in ATM, Optics and DIY Forum: Hi to all, I am planning to make amirror grindingand polishingmachinebut i have limited knowledge about thesemachines. Because of this i have some questions to someone who has some experience with thosemachines; - Somemachineshave fixed supportes and some of them have a prestaltic moving arm, …

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  • Mirror Grinding Machine|Hackaday
    Mirror Grinding Machine|Hackaday

    Sep 26, 2006·Grindingand polishing your ownmirrorsis a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built thismirror grinding machinefrom scratch.

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  • Mirror Grinding MachinePlan
    Mirror Grinding MachinePlan

    Themirror machinecame to me as a result of astronomical horse-trading swapping a large GEM mount and a 8 Newtonian OTA for themachineas it was and a start kit consisting of two 6 blanks and the grit rouge and pitch to manufacture amirrorThegrinding machinehad been built to the design of themirror-o-matic design of Dennis Rech

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  • Newport Glass Works, LTD.Grinding, Polishing and Figuring
    Newport Glass Works, LTD.Grinding, Polishing and Figuring

    This is why you don't want to makemirrorsto be worked onmachinestoo thin. For 16" to 18"mirrors, 1.62" thick is the thinness I would recommend. There are several ways to support themirroron agrindingand polishingmachineturntable, but first make sure the turntable itself is rigid. It must not bend.

    Get Price
  • Mirror grinding machine-runout - ATM, Optics and DIY Forum
    Mirror grinding machine-runout - ATM, Optics and DIY Forum

    Feb 21, 2015· Page 1 of 2 -Mirror grinding machine-runout - posted in ATM, Optics and DIY Forum: I am in the process of making a fixed postmirror grinding machine, big enough for a 20 inchmirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK. If I put a dial indicator on the top of the table near the ...

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  • mirror grinding machinedesign
    mirror grinding machinedesign

    mirror grinding machinedesign.mirror grinding machinedesignMirror Grinding Machine- ATM, Optics and DIY Forum ,-mirror grinding machinedesign ,This image shows the 3D model of the overarm assembly I added to my small spin-postgrinding machine(I'm building a bigger one now based on the same basic overarm design) In the one shown, the overarm is ,..

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  • Stellafane ATM: Measuring Sagitta
    Stellafane ATM: Measuring Sagitta

    Duringgrinding, themirroris too rough to measure the focal length optically to any reasonable precision. Therefore, we take a mechanical measurement of the Sagitta, or Depth of Curve, and using some simple formulas calculate the focal length. This section will describe how to make this measurement accurately with simple tools.

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  • Joy ofMirrorMaking: RoughGrinding- BBAstroDesigns
    Joy ofMirrorMaking: RoughGrinding- BBAstroDesigns

    RoughGrindingThe first milestone is putting a curve into themirrorface. The curve's depth dictates themirror'sfocal length. The curve should be spherical. Creating the curve can be done by several methods: The curve is ground into themirrorface using agrindingtool. The curve is pre-generated for you.

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  • Stellafane ATM Main Page
    Stellafane ATM Main Page

    Much is also unchanged -mirror grindingtechniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of knowledge and the insurance of quality.

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  • telescopemirror grinding machine
    telescopemirror grinding machine

    m o mmirror grinding machine. telescopemirror grinding machineplans. Making aMirror grindingPolishing machineATM Optics 2015-03-16· Page 1 of 5Making aMirror grindingPolishing machineposted in ATM Optics and DIY Forum Hello I am on the half of the way to make amirror grinding machineinspired by original M-O-M design I made the pulley arrangement such a way that both the …

    Get Price
  • Stainless steel surface polishingmachine
    Stainless steel surface polishingmachine

    Anhui Jotun supply China professional Metal tank shell,dished end,flat sheet polishinggrinding/buffingmachine,welding seam treatment Equipment,widely used for pharmaceutical industry,food,water purification,water supply,chemical,and new energy.

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