mirror grinding machine

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 ...

Mirror polishing machine - MIRROR - Garboli

"CN" operated machine suitable for grinding and "MIRROR" polishing on sheets and, with proper equipment, plates with square or rectangular section and tubes with round and oval section. Machine structure is very sturdy with a working table on which are fixed the workpieces, together with pre-arrangements for further equipment.

From the kiln of Horace Davis - Mirror Grinding Machine

His kiln is computer controlled to follow any schedule of temperature vs time. I couldn't help him with the former, but I could the latter. I had an idle mirror grinding machine (a modified MOM 20), so I volunteered to grind and polish his blanks and check for strain using the cross-polarized light test.

Stellafane ATM Main Page

Amateur Telescope Making Main Page. Russell Porter ... Much is also unchanged - mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of knowledge and the insurance of ...

Telescope Mirror Kits - firsthanddiscovery.com

Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications.

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.

Mirror Grinding Machine » Leonardo Da Vinci's Inventions

Mirror Grinding Machine Leonardo's Mirror Grinding Machine. leonardo miror grinding machine. 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 ...

mirror grinding machines. - ATM, Optics and DIY Forum ...

Oct 03, 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.

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.

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.

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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on ...

tut44 Making A Mirror Grinding Tool

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 …

Mirror Grinding Machine - Cloudy Nights

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 …

mirror surface grinding machine - Alibaba

Alibaba.com offers 476 mirror surface grinding machine products. About 42% of these are grinding machines. A wide variety of mirror surface grinding machine options are available to you, such as cylindrical grinding machine, surface grinding machine.

Mirror Grinding Machine - YouTube

Jun 24, 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 digital home built kiln controller, and more ...

Glass and Mirror Grinding - C.R. Laurence

C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers.

How I built an edge grinder for telescope mirror blanks.

How I built an edge grinder for telescope mirror blanks. It was very quick and easy. I have been casting my own telescope mirror blanks for a few years now. ... I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass ...

Mike Lockwood Telescope Making Mirror Making

Telescope Making *TELESCOPES PAGE* How I got started in ATM Optical Equipment Pitch tester, Strain testing setup, Mirror test stands, Spherometers, Slitless Foucault testers, Interference test setup, Small grinding machine, Large grinding machine Optical Articles, Tables, etc.

Lens & Mirror Making Best lenses and mirrors are both …

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 • Now add grinding compound (grit) between ...

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, Mirror Grinding Machine ... - Alibaba

Alibaba.com offers 9,788 mirror grinding machine products. About 1% of these are grinding machines, 1% are glass processing machinery, and 1% are grinding equipment. A wide variety of mirror grinding machine options are available to you, such as glass beveling machine, engraving machine / cnc router, and glass edging machine.

Large Homemade Telescope Making Project - Google Sites

Any dimming or brightning of the light indicated that the grinding was not uniform. Total time spent beveling the edge of the mirror, grinding the mirror, and cleaning up between grits was about 90 hours over a two and half month period (about 1 to 2 hours of work a day). Again, I did about twice as many wets as called for to grind the 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.

Stellafane ATM: Materials & Tools

6" & 8" Pyrex Mirror Blanks Patterns on surfaces and edges are mold marks, splotch on 6" is a grinding mark by the manufacturer. Two blanks are in their protective cardboard shipping sleeves.

SPAC Mirror Lab

Welcome. Where the 19th Century Art of Mirror Making Meets the 21st Century. The Saint Petersburg Mirror Lab is a small band of dedicated mirror grinders and telescope makers living in …

Mirror grinding - Telescope making

There are many reasons for grinding your own mirror. Either you want a unusual size, or focal length, or to satisfy your curiosity, or to have the "pride of achievement" by fabricating something as precise as a telescope mirror.