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Making A Mirror Grinding Machine:

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. Most of them came from industrial junk yards.

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tut44 Making A Mirror Grinding Tool - Asterism.org

After fine grinding is complete, the mirror must be polished. It is during polishing that you “figure” the mirror by using a different polishing stroke to change the mirror’s spherical polished shape into a parabolic polished shape . See a related tutorial nearby titled, “ Making A Mirror

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telescope mirror grinding / polishing machine with ...

Feb 15, 2016  The machine is shown grinding a 300 mm mirror.How to build a tachometer: florin.myip.org/blog/making-tachometer-grinding-polishing-machine-telescope-m...

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Making a Mirror grinding Polishing machine - ATM, Optics ...

Mar 16, 2015  Page 1 of 5 - Making a Mirror grinding Polishing machine - posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original M-O-M design. I made the pulley arrangement such a way that, both the turn table eccentric spins at 50 RPM fixed. I wont go for making mirror bigger that 10.5 (or max 12).

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Mirror Grinding Machine Hackaday

Sep 26, 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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Making a Mirror grinding Polishing machine - Page 4 ...

Mar 16, 2015  Page 4 of 5 - Making a Mirror grinding Polishing machine - posted in ATM, Optics and DIY Forum: put the mirror against your laptop, look thru the sunglasses, spin the sunglasses, it should darken the mirror. what do you see when the mirror goes dark? very simple very easy test. + helps to be in a darkened room, and the screen showing white.

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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 ...

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jeffbaldwin.org

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, and is fixed in this position.

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Machine grinding a 25" telescope mirror. www ...

Grinding 500 grit on a 25" f/3.0 meniscus mirror. Tool is a 19" glass tiled stone tool with about a 3" overhang and about 37 pounds of weight.

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Motor and Gearbox for a Computerized Mirror Grinding Machine

Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing ma...

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Mirror Grinding Machine Hackaday

Sep 26, 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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Making a mirror with the Mirror-O-Matic - YouTube

Oct 30, 2007  'm fine grinding my 12" plate glass mirror blank with the M-O-M by Dennis Rech. It's an automatic mirror making machine that takes the "caveman" work out of ...

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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" Fig.3, 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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Building a fixed post mirror grinding machine ...

Aug 19, 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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Making a Mirror grinding Polishing machine - Page 2 ...

Mar 16, 2015  Page 2 of 5 - Making a Mirror grinding Polishing machine - posted in ATM, Optics and DIY Forum: The machine I made is just driven by a drill press and pulley system. Variable speeds could be nice, but so far this system has worked. The turntable goes about 40 RPM for spin grinding and polishing, which works quite well. I can add a reduction and the table then goes about 6.5 RPM, which

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Making my own fixed post mirror grinding/polishing machine ...

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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jeffbaldwin.org

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, and is fixed in this position.

Read More
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 ...

Read More
Motor and Gearbox for a Computerized Mirror Grinding Machine

Feb 13, 2014  Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing ma...

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US1171174A - Parabolic-mirror-grinding machine. - Google ...

Parabolic-mirror-grinding machine. Applications Claiming Priority (1) Application Number Priority Date Filing Date Title; US86695214A US1171174A (en) 1914-10-16: 1914-10-16: Parabolic-mirror-grinding machine. Publications (1) Publication Number Publication Date ...

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Parabolic Mirror Grinding Machines Products Suppliers ...

Mirrors ,glass, grinding machine for P (5) 107b. method of producing, P (4) 84i. palladium oxide coated P (6) 133a. parabolic for solar furdaces (9) 211c. for refleciingpolarized light: P (6) 132f. silvering, P (1) 9b. Advances in fabrication and metrology for optics and large optics; Proceedings of the Meeting, San Diego, CA, Aug. 17-19, 1988 ...

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Telescope Mirror Making: Part 3, Rough Grinding - YouTube

After hogging the mirror blank to depth, the rough grinding stage begins. In this video I am grinding with 60/90 grit. The wets are lasting about 90 second...

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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 - scope making

A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at ...

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Mirror Grinding Machine Hackaday

Sep 26, 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.

Read More
Building a fixed post mirror grinding machine ...

Aug 19, 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

Read More
mirror grinding machine worldcrushers

May 15, 2013  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 a Mirror grinding machine construction log – JamesCrombie page1

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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 ...

Read More
Mirror grinding - scope making

A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at ...

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Fixed post mirror grinder advice - DIY Astronomer ...

Nov 01, 2011  Many years ago I made a machine to grind large blanks,but the largest I did was a 16" f4.5. The table speed was quite slow at 3 rpm, and a variable stroke length. Like a fool,I broke it up about 3 years ago, now with all this mirror making going on, I'm starting to regret it .

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Large Thin Mirror Making - BBAstroDesigns

In addition, a great deal of money will be saved: a finished 24" scope will set you back $7,000; grinding your own mirror and building the mount yourself will cost you $2,000. Amateurs have made mirrors up to 41" by hand. A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo.

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Telescope Mirror Grinding Machine Products Suppliers ...

Insaco, Inc. Lens Grinding Polishing Specialized Lens Generating and Polishing Equipment allows Insaco to Manufacture a wide variety of Lens in Sapphire and other Optical Materials. Since 1947 Insaco has been a precision machining and polishing fabricator of parts from all technical ceramics, sapphire, glass and quartz. We machine these materials to very precise tolerances (many times ...

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Parabolic Mirror Grinding Machines Products Suppliers ...

Mirrors ,glass, grinding machine for P (5) 107b. method of producing, P (4) 84i. palladium oxide coated P (6) 133a. parabolic for solar furdaces (9) 211c. for refleciingpolarized light: P (6) 132f. silvering, P (1) 9b. Advances in fabrication and metrology for optics and large optics; Proceedings of the Meeting, San Diego, CA, Aug. 17-19, 1988 ...

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Telescope Making Links - Designs and Techniques STAR ...

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 predistortion Optical Testing The Basics of Telescope Testing Test Stand

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Amateur Telescope Making Main Page - Stellafane

US suppliers of Mirror Blanks, Grinding Polishing Supplies, and Telescope Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions Star Parties A good place to look at various telescopes and chat with their owners. Mirror Making Courses Workshops

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How to Make Your Own Telescope Mirror - Instructables

You can do this without a drill press or turntable but youll need to make sure and always move around the table just as you would while fine grinding. When making a mirror remember RANDOM RANDOM RANDOM. Random is the golden rule that will make this mirror better than any machine can. If you made it this far your doing very good.

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Leonardo Da Vinci's mirror making machines

ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding, one ...

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Stellafane ATM:Mirror Making Myths

With the Mirror on top, the tool on the bottom, and coarse grit in between, we start grinding with the mirror overhanging the tool. We rub the center of mirror against the edge of the tool, and this wears a depression in the center of the mirror (the edge of the tool wears down also, so that the tool becomes convex (a "hill" in the center) and ...

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