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Mirror Grinding Machine | Hackaday

26-09-2006· 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...

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Mirror Grinding Machine » Leonardo Da Vinci's 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 inventing a telescope or some other optical device...

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Lens & Mirror Making Best lenses and mirrors are both made ,

Lens & Mirror Making • Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good • Typical mirror want pyrex (eg BK7) • Then need a tool blank – poorer glass & softer glass • Place mirror on top tool...

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How I built an edge grinder for telescope mirror blanks

I eventually decided I needed to build a dedicated edge grinding machine This is how I did it I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood Wheels were added to the bottom of the unit so it can be wheeled outside The grinding operation will be messy, so it will need to be done outside...

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Mirror grinding - scope making

telescope making, mirror grinding, homemade tripod, eyepieces, astronomy , If you want to make a mirror that you will turn into your primary, visual use telescope, 1200 mm focal length would be recommended That would make a 150 mm F8 , or a 200 mm F6 mirror First phase ....

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mirror-maker - Waite Research Telescope Mirrors :: Home

29-04-2010· Rough Grinding on the Fixed-Post Mirror Grinding Machine Hogging the Curve on a 20" f/45 Quartz Telescope Mirror Astronomy magazine names Waite Research's Renegade telescope a top astro product of 2015 The 20" Renegade telescope offers fabulous viewing without climbing a ladder...

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Leonardo Da Vinci's mirror making machines

ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machinÝ One machine is designed for grinding concave mirrors of small focal lengthÝ The other machine, a much larger piece to implement, grinds mirrors of large focal lengthsÝ Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask is whether he ....

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Build your own telescope part 1: The mirror – Thomas ,

Rough grinding This step is about making one side of the glass concave It will give your mirror its overall focal ratio If you make the centre deep, you will end up with a fast telescope (eg F/D = 4) well suited for deep sky observations On the opposite, a shallow mirror (eg F/D = 8) will be performing very well on planets and the moon...

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Making my own fixed post mirror grinding/polishing machine ,

15-10-2012· 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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Jan van Gastel: Making a mirror-o-matic mirror making machine

Grinding On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) and 9 micron aluminium oxyde The bent lines on the mirror are the effect of the tool turning - with respect to the mirror - faster at the central part of the mirror as compared to the edge zon...

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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" Fig3, Page 163, "Amateur Telescope Making" Book 1 A bowl which rotated was fitted to the spindle I also built another machine ,...

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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" Fig3, Page 163, "Amateur Telescope Making" Book 1 A bowl which rotated was fitted to the spindle I also built another machine ,...

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Large Thin Mirror Making - BBAstroDesigns

Make a polishing tool from plaster like we did for fine grinding of at least 1/2 the mirror diameter Let it dry thoroughly, and seal with water sealer or something similar By using a tool of this size, we avoid astigmatism, and produce a zone free surface, absent of roughness so typical of small tools...

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Mirror Grinding Machine » Leonardo Da Vinci's 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 inventing a telescope or some other optical device...

Know More

tut44 Making A Mirror Grinding Tool - Asterismorg

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own telescope” Most amateur astronomers believe, “I can buy a better telescope than I can build” Neither is actually correct For many decades now, amateur ,...

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Build your own telescope part 1: The mirror – Thomas ,

Rough grinding This step is about making one side of the glass concave It will give your mirror its overall focal ratio If you make the centre deep, you will end up with a fast telescope (eg F/D = 4) well suited for deep sky observations On the opposite, a shallow mirror (eg F/D = 8) will be performing very well on planets and the moon...

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jeffbaldwinorg

Mirror Making Machin Grunting away at a mirror for extremely long periods of time is not only un-fun, but is not a good use of your time A mirror making machine enables the optician to multitask as well as save their own bodies from the horrors of mirror making work...

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How I make Telescope Mirror Blanks - mdpub

I can make an eight inch blank out of four layers of 5/16 glass, rather than a dozen or more layers of thinner glass The advantage of this is that any air bubbles trapped between layers will be at least 5/16 inside the blank, and won't be reached during mirror grinding...

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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 075" 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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SkyBadger - Mirror Grinding Machine

The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8" Newtonian OTA for the machine as it was and a start kit consisting of two 6" blanks and the grit, rouge and pitch to manufacture a mirror The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech ....

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Mirror grinding machine construction log - James Crombie

Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading of others projects and viewing their webpages...

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mirror grinding machin - ATM, Optics and DIY Forum ,

03-10-2006· Thanks for the video Jim I had no idea that these machines ran at those speeds When I built my machine, I didn't have a computer or any books on building grinding machines so I built one that mimics the stroke a person would do For instance, my turntable rotates at just one RPM and the stroke eccentric turns at 36 RPM...

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How I make Telescope Mirror Blanks - mdpub

I can make an eight inch blank out of four layers of 5/16 glass, rather than a dozen or more layers of thinner glass The advantage of this is that any air bubbles trapped between layers will be at least 5/16 inside the blank, and won't be reached during mirror grinding...

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Mirror Grinding Machine - YouTube

24-06-2013· this is my nearly completed fixed post mirror grinder still some work to do left, but this is a test for functionality there's also a short vid on my dig....

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Building a fixed post mirror grinding machine ,

19-08-2019· Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan I like the fixed-post plan vs others with eccentric drives, because it gets the heavy grinding done in an automated ,...

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How I built an edge grinder for telescope mirror blanks

I eventually decided I needed to build a dedicated edge grinding machine This is how I did it I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood Wheels were added to the bottom of the unit so it can be wheeled outside The grinding operation will be messy, so it will need to be done outside...

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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...

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Build your own telescope part 1: The mirror – Thomas ,

Rough grinding This step is about making one side of the glass concave It will give your mirror its overall focal ratio If you make the centre deep, you will end up with a fast telescope (eg F/D = 4) well suited for deep sky observations On the opposite, a shallow mirror (eg F/D = 8) will be performing very well on planets and the moon...

Know More

Jan van Gastel: Making a mirror-o-matic mirror making machine

Grinding On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) and 9 micron aluminium oxyde The bent lines on the mirror are the effect of the tool turning - with respect to the mirror - faster at the central part of the mirror as compared to the edge zon...

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Building a fixed post mirror grinding machine - Page 2 ,

13-10-2019· The penultimate product, a nearly functional mirror grinding machine Here is a youtube link: Enjoy! Ian Scopes Stellarvue 70T f6 - triplet "Mark Mk II" -60 mm Tasco guider C80 frac f 114 SW Esprit 120 f7 triplet "Frosty m II" - the 145" strut dob f45 with a ZOC optic, US digital encoders, Nexus II wifi + Moonlite focuser...

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