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Telescope Mirror Grinding Machines

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Telescope Mirror Grinding Machines Mc World

Telescope Mirror Grinding Machines Mc World

Mirror grinding machines 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 telescope mirror grinding polishing machine.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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Telescope Mirror Grinding Machine Crusher Mills Cone

Telescope Mirror Grinding Machine Crusher Mills Cone

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 Figuring a Paraboidal mirror by thermal.Oct 15 2012 Page 1 of 2 Making my own fixed post mirror grinding polishing machine posted in ATM Optics and DIY Forum Hey guys Im thinking of making my own fixed post mirror grinding polishing and curve generating machine Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical.

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Types Of Mirror Grinding Machines

Types Of Mirror Grinding Machines

Telescope mirror grinding machine Mirror making and optical testing The images below show the completed grinding machine in it's new garage in October 2001 GrindingPolishingMachine – LCAO Telescope Making Telescope Mirror Grinding and Polishing Machine After I had made the 41 cm telescope mirror by hand I had decided that I needed a.Nov 01 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 rpm depending on the size of the mirror.

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Astro Tel Mirror Grinding Machine

Astro Tel Mirror Grinding Machine

Grinding Machine for Large Telescope Mirrors By slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work Rough Grinding a 20 Quartz Telescope Mirror on the Fixed.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.

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Hand Grinding A Telescope Mirror Make:

Hand Grinding A Telescope Mirror Make:

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.Nov 16 2018 Types of mirror grinding machines posted in ATM Optics and DIY Forum Hi to all I am planning to make a mirror grinding and polishing machine but i have limited knowledge about these machines Because of this i have some questions to someone who has some experience with those machines Some machines have fixed supportes and some of them have a prestaltic moving arm.

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100 Inch Telescope Mirror On Grinding Machine — Calisphere

100 Inch Telescope Mirror On Grinding Machine — Calisphere

Thin Telescope Mirrors Abridged from an article appearing in Telescope Making 12 Provided Courtesy of Astronomy Magazine Article's Author Bob Kestner Part I Grinding For many years amateur astronomers and telescope makers thought it essential that glass for telescope primary mirrors be at least one sixth as thick as its diameter.I borrowed a few ideas from the Mirror O Matic mirror grinding machine particularly how to mount the turntable on top of the pulley Anyone building machinery for cold working glass should have a look at the MOM web site and plans There are lots of good ideas there The large wood circle will become the base of the turntable.

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Mirror Grinding Machines

Mirror Grinding Machines

Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs Not True! Telescope mirrors can be made in your kitchen basement or garage with nothing than the mirror blank and a second piece of glass (called the tool) to rub the mirror.Want to about Newtonian telescopes the internet is replete with information about all types of telescopes Typically the primary mirror is made of glass Pyrex is commonly used for the primary mirror because of its thermal stability but for small mirrors plate glass will work fine too Telescope mirrors are relatively thick.

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Making Mirrors For Giant Telescopes Spie Digital Library

Making Mirrors For Giant Telescopes Spie Digital Library

10 Inch Mirror Blanks 3 4 Thick $55 + S H (16) Shipping prices are to the USA not shipping outside the US sorryCombined shipping is possible Write For a complete mirror making KIT with all abrasives polishing compounds pitch and grinding tool included please see our Buy Telescope Mirror Kits website for great prices on plate glass.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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Grind And Polish A Dobsonian Newtonian Telescope Mirror

Grind And Polish A Dobsonian Newtonian Telescope Mirror

Large Mirror Making •For many years the standard amateur mirror was 6 inches in diameter with a focal length of 48 inches •This is a very modest mirror by today's standards when 20 inch (0 5m) mirrors are commonplace and advanced amateurs are creating 40 inch mirrors and planning larger •There is the current AltAzInitiative where.Currently manufacturing a 16″ diameter 1″ thick plate glass f3 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 I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum.

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Building A Fixed Post Mirror Grinding Machine

Building A Fixed Post Mirror Grinding Machine

Rough Grinding The first milestone is putting a curve into the mirror face The curve's depth dictates the mirror's focal length The curve should be spherical Creating the curve can be done by several methods The curve is ground into the mirror face using a grinding tool The curve is pre generated for you.The Starfire project provided much of the funding for a new polishing lab built in 1990 and equipped with an 8 m grinding and polishing machine and a 24 m test tower which were first used to figure the 3 5 m mirrors The Mirror Lab was not free to choose the focal ratios so these mirrors were conservative at f 1 5 – f 1 75.

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Fixed Post Mirror Grinder Advice

Fixed Post Mirror Grinder Advice

100 inch telescope mirror on grinding machine at Mount Wilson Observatory's Pasadena laboratory Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library San Marino California.Grinding a Mirror 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 interested in the.

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Making My Own Fixed Post Mirror Grinding Polishing Machine

Making My Own Fixed Post Mirror Grinding Polishing Machine

Telescope Making Telescope Mirror Grinding and Polishing Machine After I had made the 41 cm telescope mirror by hand I had decided that I needed a grinding and polishing machine for the bigger mirrors I wanted to make Specification The machine must fullfill the following needs It must be as compact as possible.MIRROR GRINDING MACHINE I made my first mirror grinding and polishing machine over thirty years ago It used the working principle of the machine illustrated at A Fig 3 Page 163 Amateur Telescope Making Book 1 A bowl which rotated was fitted to the spindle I also built another machine of the same type.

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How I Built An Edge Grinder For Telescope Mirror Blanks

How I Built An Edge Grinder For Telescope Mirror Blanks

Mar 10 2006 The Amateur Telescope Maker’s Page A Grinding Rig WALKING around a barrel is undoubtedly a tedious procedure but on the other hand it is the simplest method of grinding and polishing a telescope mirror.You'll want to first determine the shape of your mirror and the focal length that it will eventually have When designing a telescope of this style there is a very very handy tool called Newt for the Web You can put in your mirror diameters for the one we'll be making (primary mirror) and the secondary mirror as well as the focal length of the primary mirror and it will give you a lot of.

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Mirror Grinding Machine G W Ritchey National Air And

Mirror Grinding Machine G W Ritchey National Air And

Stone tools go back 3 3 million years Pounding scraping knapping grinding combined with fire heat melting leads us today to grinding telescope mirrors from glass Making a telescope mirror is one of the most satisfying and sublime joys you will experience It's also arguably the most accurate surface made by man or machine If the mirror.May 30 2014 This is how you make a telescope mirror out of a hunk of glass Use a sand mixture and another piece of glass to grind away the middle of a concave shape Repeat with finer and finer grit sand Dave Barosso demonstrates the technique but to do it yourself try to visit one of the Telescope Makers Workshop‘s classes on Friday nights in Oakland.

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Buy Mirror Blanks For Telescope Making

Buy Mirror Blanks For Telescope Making

(3) A homemade telescope mirror can be made with accuracy and smoothness than the mass produced commercial mirrors available today Unfortunately the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best.Nov 06 2013 Page 1 of 2 24 F 6 thin telescope mirror grinding 3 4 plate posted in ATM Optics and DIY Forum A friend and I have decided to grind this as a fun yet challenging project I have ground and polished several mirrors including a 6 8 5 9 2 and 14 7 quartz mirror I have decided to take the next step with this ultra thin setup I know it is bordering on the edge of extremely thin with a 32.

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