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Telescope Grinding Machine

Constructing a grinding machine for large apertures atm ,nov 19, 2018 page of 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 am on the subject (prospective

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Telescope Grinding Machine&New Projects:

Constructing A Grinding Machine For Large Apertures Atm

nov 19, 2018 page of 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 am on the subject (prospective

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Christiaan Huygens And His Telescopes

figure lens-grinding machine of christiaan huygens what made it very difficult to produce usable lenses, as the huygens brothers soon found, was that the whole art of lens grinding was surrounded by secrecy.

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Making A Homemade Mirror Grinding Machine Atm

mar 06, 2006 making a homemade mirror grinding machine posted in atm, optics and diy forum: want to make a motorized mirror grinder any good info on this have a couple geared motors low speed high torque. one more question will shaft size pillow block bearings work good for a homemade EQ mount? thank you john

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Making My Own Fixed Post Mirror Grinding Polishing Machine

oct 15, 2012 page of making my own fixed post mirror grindingpolishing machine posted in atm, optics and diy forum: hey guys. Im thinking of making my own fixed post mirror grindingpolishing and curve generating machine. ive got loads of questions regarding the design so ill just start firing away Do need an eccentric moving tool to be able to polish a mirror spherical?

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Newport Glass Works Ltd Grinding Polishing And Figuring

thin telescope mirrors abridged from an article appearing in telescope making provided: courtesy of astronomy magazine there are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend. If your machine lacks a sturdy turntable, one way to

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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

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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. 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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Mirror O Matic Com

the machines: documentation: information for atms zip archive of mirror-o-matic yahoo groups 307 MB contact dennis

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Inch Telescope Mirror On Grinding Machine Calisphere

100- inch telescope mirror on grinding machine, at mount wilson observatorys pasadena laboratory.image courtesy of the observatories of the carnegie institution for science collection at the huntington library, san marino, california.

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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 cant hold the tolerances necessary, and any good telescope optic, including the mirror you could make in your kitchen, should

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Telescope Making Supplies Willbell Com

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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Making The Inch Conical Mirror Pierre Lemay

To do these operations built a grinding machine which would be used throughout the project. My grinding machine, shown in these pictures, was based on dilworths grinding machine seen in the nov-dec 1977 issue of s&t: the grinding machine has three spindles. the right spindle is the one on which the mirror is mounted.

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Mirror Grinding Machine G W Ritchey National Air And

george willis ritchey built this mirror grinding machine at the yerkes observatory in williams bay, wisconsin, in the late 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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Waite Research Mirrors For Telescopes Science

grinding 14.75 quartz telescope mirror. 27. whats new? gordon built the new grinding machine to accept turntables. the turntables just lift right off the machine. there is a socket on the drive shaft and the turntable has three mating pieces that drop down into the socket holes. changing

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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 made myself.

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Tut Making A Mirror Grinding Tool Asterism Org

making mirror grinding tool By allen malsburry the average person would never think, can make my own telescope. most amateur astronomers believe, can buy a better telescope than can build. neither is actually correct. for many decades now, amateur

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Mirror Grinding Telescope Making

good starter size is the 150 mm mirror. will also work. most atm books and websites recommend a pyrex mirror blank, but in my opinion, annealed plate glass is better for this first, learn and practice mirror.it is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like pyrex has no practical (visible at

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Amateur Telescope Making Main Page Stellafane

hundreds of links to all aspects of telescope making on the internet. atm material suppliers US suppliers of mirror blanks, grinding & polishing supplies, and telescope making supplies. astronomy clubs many can offer help with your project. astronomy conventions & star parties

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Stellafane Atm Materials Amp Tools

the tools: grinding & polishing. you will need two tools: hard tool for rough and fine grinding, and a soft tool, or pitch lap, for polishing and figuring. traditionally, the pitch lap was made on top of the grinding tool. We recommend using plaster disks for tool

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Grinding A Telescope Reflector With Tool

grinding telescope reflector with tool-grinding device By george tauchmann 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

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Waite Research Mirrors For Telescopes Home Facebook

grinding 14.75 quartz telescope mirror. 27. whats new? gordon built the new grinding machine to accept turntables. the turntables just lift right off the machine. there is a socket on the drive shaft and the turntable has three mating pieces that drop down into the socket holes. changing

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Astro Tel Mirror Grinding Machine

mirror grinding machine. made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at fig.3, page 163, amateur telescope making book bowl which rotated was fitted to the spindle.

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Www Jeffbaldwin Org

fixed-post machine grinding is where the mirror is on a turntable rotating around prm speeds vary, and a 75% tool is on top. they are already curve-generated. the tool is hanging over the mirror by the diameter of the tool, or about diameter of the mirror, and is fixed in this position.

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Mount Wilson Observatory Building The Inch Telescope

the worlds largest grinding machine was built. the glass company had reported that bubbles in the glass might be a problem, but the astronomers insisted on seeing for themselves. but when the disk arrived at the observatory shops in pasadena in december of 1908, on the same day that the 60- inch mirror was placed in its mounting on mount

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Astronomy Options Astronomy Mirror Making Telescopes

currently manufacturing a diameter thick plate glass .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 am ready to move on from micron white aluminum oxide to micon white aluminum

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Stellafane Atm Make A Tile Tool

the well used tile tool at right illustrates a couple of maintenance issues. tiles grind away: you may grind through your tiles at the edge, especially if you are making a very fast mirror.in that case, you can epoxy a second layer of tiles on over the first.

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Parabolizing A Telescope Mirror Bbastrodesigns

myron emersons amateur telescope mirror making gap machines summary david harbours understanding foucault albert highnes portable newtonian telescopes neale howards standard handbook for telescope making albert ingalls amateur telescope making, volumes dennis taylors the adjustment and testing of telescope

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Telescope Mirror Grinding Machines Crusher Mills Cone

mirror making machine welcome to the fanslers. bugger this for a lark machine has got to be easier! made my first telescope mirror, by hand in could not afford the material to build a mirror grinding machine

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Telescope Grinding Ball Mill Machine Optical Instruments

ball mill- highly efficient grinding and milling machine. one machine that is heavily used for crushing and grinding tasks is the ball mill. this machine is described as a grinding

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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 inch up to inch 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.

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Build Your Own Telescope Part The Mirror Thomas

the theory behind grinding is that you can remove glass as long as you use a material with a higher hardness. telescope makers use silicon carbide powders for this task. It is cheap and comes in various size To be effective, the abrasive needs to be rubbed against the glass with a lot of pressure.

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Grinding Machine For Large Telescope Mirrors

grinding machine for large telescope mirrors designed and built a grinding machine for mirrors up to inches 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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Types Of Mirror Grinding Machines Atm Optics And Diy

nov 16, 2018 uur kizler is a telescope maker in bursa, and has made telescopes and a machine. Im 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:

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China Crusher Manufacturer Dryer Grinding Mill Supplier

henan libo mining machinery Co ltd. is a professional manufacturer which provides complete sets of mine selection machines, sand making equipment, cement making equipment, ore grinding mills, and compound fertilizer equipment, with a production capacity

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