telescope mirror grinding machine

Telescope Mirror Grinding Machine

Mirror Grinding Machine

My Mirror Grinding Machine. For a long time Ive wanted to build a machine for grinding telescope mirrors. Dennis Rechs M-o-M designs finally inspired me to just get up and do it. Over the years, Id been collecting motors, gear boxes, pulleys, etc.

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.

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

Mar 07, 2010 · This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, youll see how abrasive and water are applied, and how the ...

telescope mirror grinding / polishing machine with ...

Feb 15, 2016 · Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap - Duration: 9:12. Jan van Gastel 3,159 views

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

The M-o-M is a marvellous machine due to its simplicity and yet refined design. It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing a mirror. That is you can use it to grind, polish and figure your optics.

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 of the same type.

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.

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

Telescope Grinding - YouTube

Jun 05, 2009 · Very old mirror/lens grinding machine. This machine can grind and polish using different stroke patterns, i.e. w-stroke, short strokes, long strokes, etc. Currently this machine can only operate a...

Newport Glass Works, LTD. Grinding, Polishing and Figuring ...

This is why you dont want to make mirrors to be worked on machines too thin. For 16" to 18" mirrors, 1.62" thick is the thinness I would recommend. There are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend.

Joy of Mirror Making: Introduction - BBAstroDesigns

Stone tools go back 3.3 million years. Pounding, scraping, knapping, grinding combined with fire, heat, melting leads us today to grinding telescope mirrors from glass. Making a telescope mirror is one of the most satisfying and sublime joys you will experience. Its also arguably the most accurate surface made by man or machine. If the mirror is expanded to the size of a …

Mirror Grinding Machine | Hackaday

Sep 26, 2006 · An average commercial mirror might be f/4 or 1/4 wavelength surface deviation, whereas a very high-end morrir might be between f/10 and f/20. Hubble used to be f/2 back when it was broken, but it...

My Zeiss grinding and polishing machine - YouTube

Dec 06, 2009 · The movie shows the Zeiss machine in all its phases, putting together notes, drawings and films that make up the story: from initial idea to the project, manufacturing of machine parts to the ...

Stellafane ATM: Materials & Tools

Materials & Tools Introduction. ... Topics on this page: Mirror Blanks, Grinding & Polishing Tools, Grits & Pitch, Storage Containers, ... This is the focus of all your work - you will turn this flat piece of glass into an accurate parabolic telescope mirror. We recommend a full thickness Pyrex blank for mirrors up to to 12" in size.

So you really want to build a Telescope Mirror. - Astronomy

Grinding/polishing machines work by rotating the bottom piece (mirror or tool) and letting the top piece freely rotate about its central axis as it desires to do. As you watch a machine work, the upper piece will rotate at about 1/2 to 1/10 the speed of the bottom piece.

Telescope mirror grinding - YouTube

Mar 23, 2016 · Telescope mirror grinding ... Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine ... Using the Fixed-Post Grinding Machine for Rough Grinding an 11-inch Telescope Mirror ...

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