Telescope Grinding Machine

Are machine made telescope mirrors better than

21 07 2006· Are machine made telescope mirrors better than those made my hand In general no Making a telescope mirror is a two step procedure First you generate and refine the curve in the []

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telescope lens grinding machine

Mirror Grinding Machine Hackaday26 Sep 2006 Grinding and polishing your own mirrors is a long arduous process Instead of lapping the blank by hand Laurie Hall built this mirror grinding machine from scratch Solid concept but there is a reason telescope mirrors are made by hand that useful much more useful than making your

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Document sans nom Astrosurf

Document sans nom A history of polishing machines As often in sciences and technology Leonardo da Vinci was a pioneer creating machines for the production of optical devices Indeed between 1513 and 1517 he imagined machines to grind and polish telescope mirrors which at

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Grinding/Polishing Machine Pierre Lemay

Amateur Astronomer and Telescope Maker Menu Skip to content About me Projects 20 inch ball scope Hinged Shelter Ball Scope Tracking Telescope Making Tools Grinding/Polishing Machine Foucault/Caustic Tester Machining Equipment English Français Grinding/Polishing Machine Search for Login Log in Entries RSS Comments RSS

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Telescope Making Links Designs and

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

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CNC Optical Grinding Machines OptiPro

CNC Optical Grinding Machines Improve the quality of your surfaces along with your bottom line by using grinding solutions that deliver accuracy and speed Contact Us

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Mirror grinding Telescope making

There are many reasons for grinding your own mirror Either you want a unusual size or focal length or to satisfy your curiosity or to have the pride of achievement by fabricating something as precise as a telescope mirror

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How I make Telescope Mirror Blanks

Here is the super simple grinding machine I built to true up the edges of the blanks It is a fine looking near full thickness 10 inch diameter blank that I intend to grind and polish into a 1st class telescope mirror Here is a stack of my home made 8 and 10 inch mirror blanks The second from the bottom is the one above

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Fixed post mirror grinder advice DIY

01 11 2011· Basically there are two types of grinding/polishing machine The traditional type which involves the mirror rotating at a relatively slow speed a few rpm for a big mirror 16 20 inches with the tool moving across the mirror from side to side at a higher

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Grinding/Polishing Machine Pierre Lemay

Amateur Astronomer and Telescope Maker Menu Skip to content About me Projects 20 inch ball scope Hinged Shelter Ball Scope Tracking Telescope Making Tools Grinding/Polishing Machine Foucault/Caustic Tester Machining Equipment English Français Grinding/Polishing Machine Search for Login Log in Entries RSS Comments RSS

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Making a homemade mirror grinding machine

06 03 2006· Making a homemade mirror grinding machine posted in ATM Optics and DIY Forum I want to make a motorized mirror grinder 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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Types of mirror grinding machines ATM Optics

16 11 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

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telescope lens grinding machine

Mirror Grinding Machine Hackaday26 Sep 2006 Grinding and polishing your own mirrors is a long arduous process Instead of lapping the blank by hand Laurie Hall built this mirror grinding machine from scratch Solid concept but there is a reason telescope mirrors are made by hand that useful much more useful than making your

Get Price

Grinding/Polishing Machine Pierre Lemay

Amateur Astronomer and Telescope Maker Menu Skip to content About me Projects 20 inch ball scope Hinged Shelter Ball Scope Tracking Telescope Making Tools Grinding/Polishing Machine Foucault/Caustic Tester Machining Equipment English Français Grinding/Polishing Machine Search for Login Log in Entries RSS Comments RSS

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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 can t hold the tolerances necessary and any good telescope optic including the mirror you could make in your kitchen should be hand figured

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Roger s Refractor Building Page Astronomy

I will assume that you have made mirrors before and thus won t describe the basic processes of grinding and polishing glass or testing an optical figure by means of a knife edge or Ronchi tester Many books exist which detail these processes [my personal favorite is Jean Texereau s How to Make a Telescope Willmann Bell 1984 ]

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NEWPORT GLASS WORKS LTD NEWPORT

After a spell of #220 grinding check the radius Also check the lens center thickness and also the centering commonly called OwedgeO Wedge should be maintained at less than during #220 grind with #400 grind which follows #220 the wedge must be kept below inch

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GRINDING Astro Khan Telescope Making

Fine Grinding You start fine grinding once you are done with rough grinding reached the required sagitta and the desired focal length of your mirror In fine grinding finer abrasives are used above #400 I use M301 M303 and M305 for fine grinding For entire fine grinding you will be using 1/3 CoC strokes only See the video s below

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Waite Research Telescope Mirrors Home

29 04 2010· Fine Grinding a 20 Quartz Telescope Mirror Rough Grinding on the Fixed Post Mirror Grinding Machine Hogging the Curve on a 20 f/ Quartz Telescope Mirror Astronomy magazine names Waite Research s Renegade telescope a top astro product of 2015

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Stellafane ATM Main Page

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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Are machine made telescope mirrors better than

21 07 2006· Are machine made telescope mirrors better than those made my hand In general no Making a telescope mirror is a two step procedure First you generate and refine the curve in the []

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Mount Wilson Observatory Building the 100 inch

The world s 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

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100 inch telescope mirror on grinding machine

100 inch telescope mirror on grinding machine at Mount Wilson Observatory s Pasadena courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library San Marino California

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