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telescope mirror grinding machine for sale

build a mirror grinding machine

My Mirror Grinding Machine For a long time Ive wanted to build a machine for grinding telescope mirrors Dennis Rechs MoM designs finally inspired me to just get up and do it Over the years Id been collecting motors gear boxes pulleys etc Get Price Hot Products Our products sell well all over the world and have advanced technology in the field of crushing sand grinding powder Active Lime

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Telescope Mirrors & Prisms for sale eBay

Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror 203mm $ to $ Was $ $ shipping SPONSORED

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Making mirrors for giant telescopes SPIE Digital Library

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 m mirrors The Mirror Lab was not free to choose the focal ratios so these mirrors were more conservative at f/ f/ During the same time frame we expanded the furnace to 8 m

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Dick Parker s Telescope Mirror Workshop Cassegrain

Grinding the secondary is just like grinding any other optic except in minature I ground the secondary with the mirror on a workstand and worked the tool on top just like I would grind a larger mirror This optic is small enough that a lens grinding machine could work well

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telescope grinding machine

VSI6X Series Vertical Crusher 18/09/2022; 10 Comments; Super User; 3 Tags; Due to the increasing market demand for the scale intensification energy conservation environment protection and high quality machine made sand a Chinese professional sand maker manufacturer further optimizes the structure and function of traditional vertical shaft impact crushers and launches a new generation of

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grinder machine mirror

1 188 mirror grinding machine products are offered for sale by suppliers on Alibaba of which glass processing machinery accounts for 6 grinding machines accounts for 4 A wide variety of mirror grinding machine options are available to you such as glass edging machine engraving machine / cnc router and glass cutting machine Get Price; Wooden Telescope Part 1 the Mirror 14 Steps with

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Parabolic telescope mirrors Royce

Newtonian Telescope Mirrors STANDARD FULL THICKNESS and NEW CONICAL CROSS SECTION NOW Conical mirrors in 6 8 10 and 16 inch sizes Go here for details My mirrors are made to the following design and use specifications Wavefront accuracy having an RMS of 032 and a Strehl Ratio of 96 or better at 633 nm for apertures up to 10 at f/5 or larger Mirrors up to 16 and f/5 or

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tut44 Making A Mirror Grinding Tool

want to learn more 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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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

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Grind and Polish a Dobsonian/Newtonian Telescope Mirror

Just grinding the telescope mirror probably took 80 100 hours for me For a mirror I m making now I found this weird counter thing at a garage sale and used it for too long it polished out on mine okay though You are right with larger mirrors above 8 it is handy to have a machine do all of the hogging out work

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24 Mirror Grinding and Polishing Machine IceInSpace

06/06/2022 · Turntable top can be removed mirror is securely clamped on the turn table so that optical tests can be performed on the mirror without having to remove the mirror; Easy removal of the tool; A splash pan / sink under the turntable to protect machine from grinding access also be able to wash the mirror on the turntable directly is a

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telescope mirror grinding machines MC World

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 [] 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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How I make Telescope Mirror Blanks

Now that I have several blanks made it is time to grind and polish one into a telescope mirror and test it out I can use one blank as the mirror and another as the grinding tool and have a couple in reserve in case something goes horribly wrong during the grinding and polishing operations I ll post an update once a mirror is completed

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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 [] 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

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telescope primary mirrors list telescope primary mirrors

telescope mirror grinding machine telescope digital camera adapter hydraulic telescopic transmission jack swimming pool telescopic pole who invented the telescope telescope with digital camera 6 inch refractor telescope telescopic shower curtain rod shopping for a telescope telescope for 8 year old

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buy mirror grinding machine

Telescope Mirror Grinding Machine Products & Suppliers Products/Services for Telescope Mirror Grinding Machine Grinders and Grinding Machines 980 companies Grinders and grinding machines use an abrasive that is bonded to a wheel belt or disc to remove material and improve surface finish

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Homemade Mirror Grinding Machine

Homemade Mirror Grinding Machine 2022 6 5homemade telescope mirror grinding machine make your own telescope kits sharp vision the standard kit includes all the finished optical components needed to build a newtonian reflecting telescope namely the primary concave mirror the secondary flat mirror two eyepieces of 25mm and 125mm focal lengths one barlow lens that increase the power of any of the

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mirror grinding machine worldcrushers

15/05/2022 · New grinding machine The new grinding machine is being used to re make the old TRO 30 inch mirror and the three 20 inch mirrors It will be capable of making aMirror grinding machine construction log page1

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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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Telescope mirror grinding machine

Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 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 The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on

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Would an amateur telescope maker be able to grind a mirror

The record for largest telescope made the same way amateurs use today goes to Ireland s Lord Rosse who in 1845 built a 72 inch telescope Mirror grinding How the Enormous Mirrors on the World s Largest Telescope Are Made Liquid mirror telescope

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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 inch diameter inch thick light weight honeycomb back telescope mirror blank that I made myself

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SPAC Mirror Lab

12/04/2022 · The Saint Petersburg Mirror Lab is a small band of dedicated mirror grinders and telescope makers living in the Tampa Bay area of Florida We offer a mirror making class for interested persons We strive to create the best mirrors our home brew technology can muster This includes robotic foucault testing and laser interferometry

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Astro Tel Mirror grinding machine

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 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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Telescope Grinding Machine

Telescope mirror grinding machine mirror making and optical testing the images below show the completed grinding machine in its new garage in october for grinding telescope describing brietly the machines used in grinding mirrors it may be well to indicate the first step of grinding

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