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making mirror grinding machine

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/blog/making-tachometer-grinding-polishing-machine-telescope-m...

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.

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.

Making a homemade mirror grinding machine - ATM, Optics ...

Mar 06, 2006  Making a homemade mirror grinding machine - posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder , any good info on this , i have a couple geared motors , low speed high torque. One more question ...will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you , John

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

Rough Grinding a 20" Quartz Telescope Mirror on the Fixed ...

This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasiv...

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 ...

jeffbaldwin

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.

Mirror Grinding Machine - YouTube

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...

making a mirror grinding machine - MC World

Mirror Grinding Machine, Mirror Grinding Machine . Alibaba offers 8,740 mirror grinding machine products. About 2% of these are grinding machines, 1% are glass processing machinery. A wide variety of mirror grinding machine options are available to you, such as ce, ul, and ur. More

tut44 Making A Mirror Grinding Tool - Asterism

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

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.

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

Mirror-o-Matic mirror making machine - ATM pages of ...

Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

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 ...

Mirror grinding machine-runout - ATM, Optics and DIY Forum ...

Feb 21, 2015  Page 1 of 2 - Mirror grinding machine-runout - posted in ATM, Optics and DIY Forum: I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK. If I put a dial indicator on the top of the table near the ...

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?

Making A Mirror Grinding Machine

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.

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 ...

Types of mirror grinding machines - ATM, Optics and DIY ...

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,

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 .

Mirror Grinding Machine, G. W. Ritchey National Air and ...

The machine was used for making numerous mirrors over the next four decades and extensively modified over that period. It embodies the "sub-diameter tool" design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by programmable rotating arms.

Leonardo Da Vinci's mirror making machines

One machine is designed for grinding concave mirrors of small focal length. The other machine, a much larger piece to implement, grinds mirrors of large focal lengths. Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask is whether he used such mirrors in his artwork or drawing.

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 reconfigured for spinning work or for stroking work.

tut44 Making A Mirror Grinding Tool - Asterism

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

Mirror grinding machine construction log - James Crombie

Mirror grinding machine construction log ... instead of making a new dental plaster tool or using the existing tool (just in case) I melted the pitch and preheated the blank in hot water. I wrapped the blank with masking tape and then poured the ...

Mirror Grinding Machine, G. W. Ritchey National Air and ...

The machine was used for making numerous mirrors over the next four decades and extensively modified over that period. It embodies the "sub-diameter tool" design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by programmable rotating arms.

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 don’t 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.

Mirror Grinding Machine Crusher Mills, Cone Crusher, Jaw ...

Mirror Making Machine – Welcome to the Fansler's. I was divorced, poorer than a church mouse and could not afford the material to build a mirror grinding machine. Then we had homecoming, and there was a bonanza of

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 ...

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 .

Drive Motor, Mirror Grinding Machine, G. W. Ritchey ...

The original grinding machine was used under the sponsorship of Hale to grind a 60-inch mirror initially intended for the Yerkes Observatory. The grinding machine was moved to Pasadena in 1904 to complete work on the mirror; at some point it was transferred to the California Institute of Technology.

making a mirror grinding machine - vendsyssel-innovation

mirror grinding machine plans mine-equipments. Jan van Gastel Making a mirror-o-matic mirror making machine Once I had seen a grinding machine, working at 380 Volts and weighting about the machine, capable of making 20 inch mirrors, and a CD with building plans. Get Price; Mirror Making Machine dv-fansler. In the beginning was the barrel.

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 ...

Leonardo Da Vinci's mirror making machines

One machine is designed for grinding concave mirrors of small focal length. The other machine, a much larger piece to implement, grinds mirrors of large focal lengths. Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask is whether he used such mirrors in his artwork or drawing.

Mirror Making Machine

I built another mirror grinding machine (out of welded angle iron) to work on the mirror, but never used it. In mid-2008 the desire to finish the 12.5 inch mirror hit again - this time with a vengeance. I had this urge to not only finish that mirror, but eventually grind something even larger.

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

US1171174A US86695214A US1914866952A US1171174A US 1171174 A US1171174 A US 1171174A US 86695214 A US86695214 A US 86695214A US 1914866952 A US1914866952 A US 1914866952A US 1171174 A US1171174 A US 1171174A Authority US United States Prior art keywords shaft tool slide parabolic axis Prior art date 1914-10-16 Legal status (The legal status is an assumption and is not a

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 ...