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How To Grind A Telescope Mirror With An Electric Grinder

How To Grind A Telescope Mirror With An Electric Grinder

How To Grind A Telescope Mirror With An Electric Grinder

how to grind a telescope mirror with an electric grinder

Jun 24, 2013 how to grind a telescope mirror with an electric grinder pocket size snuff powder grinder hydration process in portland cement portland cement suppliers in the philippines cement content required for 1 cubic meter concrete Project Case Mining Production Line Construction

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How To Grind A Telescope Mirror With An Electric Grinder

how to grind a telescope mirror with an electric grinder

Mar 03, 2021 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 1.1m in diameter. By slipping on and off a couple of belts, the machine can quickly be

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How I Built An Edge Grinder For Telescope Mirror Blanks

How I built an edge grinder for telescope mirror blanks

Rough indeed Fortunately, the fine edge grinding will clean that up. Before I did any more grinding though, I decided the edge of the glass needed to be bevelled, to prevent chipping. Bevelling is really easy. With the turntable running, I hold my air die-grinder with a diamond wheel in it against the edge of the blank at a 45 degree angle.

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Grind And Polish A Dobsoniannewtonian Telescope Mirror

Grind and Polish a DobsonianNewtonian Telescope Mirror

Grind and Polish a DobsonianNewtonian Telescope Mirror With Hand Tools Authors note This Instructable was written and published by our Making and Tinkering Programs Manager, whos personal Instructable account we co-opted. He is now publishing personal Instructables over at member ID MechaNickW.Making a telescope abo

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Grinding A Telescope Reflector With Tool

GRINDING A TELESCOPE REFLECTOR WITH TOOL

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 either in straight or in circular strokes over the tool. In this case the overhang of the mirror ...

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How I Make Telescope Mirror Blanks

How I make Telescope Mirror 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. I can use the thinner blank below it as the grinding tool. UPDATE

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Stellafane Atm Selecting The Mirror Surface To Grind

Stellafane ATM Selecting the Mirror Surface to Grind

In grinding your mirror, you will remove glass from the surface for a typical 6 or 8 mirror, not more than 14 . You would not like to grind into a bubble and leave a defect in your mirror surface. Therefore, you should avoid using any surface that has bubbles so close to the surface you risk exposing them.

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How To Make Your Own Telescope Mirror Instructables

How to Make Your Own Telescope Mirror Instructables

How to Make Your Own Telescope Mirror Fig 1 This is a large piece of glass a woman off Craigslist gave me. It was 40 x40 and 0.75 thick. Its what I decided to use to make the mirror. Cutting it into smaller sections can be difficult but scoring it with a glass cutter

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Hand Grinding A Telescope Mirror Make

Hand Grinding a Telescope Mirror Make

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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Rough Grinding Of A Telescope Mirror Guys Math Amp

Rough Grinding of a Telescope Mirror Guys Math amp

Dec 15, 2014 The ground-up glass and grit will make a muddy slurry, which will eventually slow down the grinding process. C. Try not to wrap your hands around the edge of the mirror towards the edge, if at all possible. This will heat up the edge of the mirror, making it expand, which can cause bad, unexpected results.

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Mirror Grinding Machine Plan Crusher Mills Cone Crusher

Mirror Grinding Machine Plan Crusher Mills Cone Crusher

CNC telescope mirror grinder. CNCzone.com-The Largest Rough and fine grinding the mirror is about half the work. Polishing is the other half. build a machine, but plan in some kind of randomizer.

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Ed Grinds A Mirror The Telescope Review Web Site V3200

Ed Grinds a Mirror The Telescope Review Web Site V3200

Introduction This summer 2000 I joined a mirror-grinding class hosted by our local clubs ATM committee. Despite having looked through hundreds of telescopes through my observing career, I had to admit I had never ground my own mirror in fact, my knowledge of the whole subject was rather sketchy at best. It was time to remedy this.

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Telescope Mirror Grinding Machine Products Amp Suppliers

Telescope Mirror Grinding Machine Products amp Suppliers

The Copernicus5 paraboloidal mirrors were the first X -ray telescope mirrors lapped and polished at the NPL in 1971, using a conventional workshop grind- ing machine with a horizontal spindle and which was converted into a lapping machine.

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Mirror Grinding Machine G W Ritchey National Air And

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 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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Tut44 Making A Mirror Grinding Tool

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 Mirror Grinder Advice Diy Astronomer

Fixed post mirror grinder advice DIY Astronomer

Nov 01, 2011 Hi AllWeve been having some idle discussions about grinding mirrors here. In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dream at the

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Mirror Grinding Machine Atm Optics And Diy Forum

Mirror Grinding Machine ATM Optics and DIY Forum

Sep 29, 2010 Mirror Grinding Machine - posted in ATM, Optics and DIY Forum I have some interest in building a grinding machine for possible up to an 18 mirror , but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would like to do something a bit more modern. I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list

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Mirror Grinding Telescope Making

Mirror grinding Telescope making

My favorite method is to grind with the chordal stroke a bit deeper 0.2-0.3 mm on this mirror size than the target saggita , then use TOT until end of grinding. This saves a lot of grit As you might noticed by now, much of the grit is wasted as it falls in the space between the tiles.

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Mirror Grinding Machine Hackaday

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 of

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Elid Grinding Of Sic Ultra Lightweight Mirror

ELID grinding of SiC ultra lightweight mirror

2. ELID GRINDING METHOD. The ELID grinding method that produces high surface quality was proposed by one of the authors .Fig. 1 shows that the ELID grinding system consists of a metal bonded diamond abrasive grinding wheel, electrode, electrolytic power supply and coolant. The grinding wheel serves as a positive pole through smooth contact of a brush, and the electrode serves

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Mirror Grinding Machine Crusher Mills Cone Crusher Jaw

Mirror Grinding Machine Crusher Mills Cone Crusher Jaw

SkyBadger Mirror Grinding Machine. Mirror Making. Mirror making is something I have moved into after owning 3 Newtonian and 2 Cassgrain telescopes.

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Mirror Grinding Machine 187 Leonardo Da Vincis Inventions

Mirror Grinding Machine 187 Leonardo Da Vincis 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. This machine was 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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Building A Fixed Post Mirror Grinding Machine

Building a fixed post mirror grinding machine

Aug 19, 2019 A few years ago, I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. I dont really remember how big it was, but it was big. Maybe 14. Maybe larger. John was no youngster in this video and even though he is a master, he sure put a hellova lot of labor into that mirror.

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360mm First Time Mirror Grind Page 8 Diy Astronomer

360mm First time mirror grind Page 8 DIY Astronomer

Jul 29, 2013 Stick the grinding gizmo on the end of a rod to get the right radius, support from the roof and swing it around over the mirror to generate the radius in it. Needs some form of simple radius adjustment and care in aligning with the centre of the mirror. This used an angle grinder and a hose pipe - very high rpm so rather messy.

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