build a mirror grinding machine

Mirror-o-Matic mirror making machine - ATM pages of Berthold .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. I started to look around and quickly found Dennis Rech's website about the M-o-M.build a mirror grinding machine,telescope mirror grinding / polishing machine with tachometer .Feb 14, 2016 . The machine is shown grinding a 300 mm mirror. How to build a tachometer: florin.myip/blog/making-tachometer-grinding-polishing-machine-telescope-.

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Mirror Grinding MachineMy 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. To use these parts, I had to.build a mirror grinding machine,build a mirror grinding machine,mirror grinder page - James CrombieMirror 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. I started out with wooden table.

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21 Comments on build a mirror grinding machine

build a mirror grinding machine,

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

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. I started to look around and quickly found Dennis Rech's website about the M-o-M.

telescope mirror grinding / polishing machine with tachometer .

Feb 14, 2016 . The machine is shown grinding a 300 mm mirror. How to build a tachometer: florin.myip/blog/making-tachometer-grinding-polishing-machine-telescope-.

build a mirror grinding machine,

Machine Mirror Making

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. The motor turns the mirror.

Mirror grinding machine | Hackaday

Sep 26, 2006 . The true test of the amateur astronomer is building their own telescope. 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. His site has notes covering his mirror creation machines and other.

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. To use these parts, I had to.

mirror grinder page - 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. I started out with wooden table.

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. Also a.

build a mirror grinding machine,

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

After having made five mirrors by hand, I decided to build a mirror making machine. I did a google search and arrived soon on Dennis Rech's 'Mirror-O-Matic' pages. Just what I was looking for! Once I had seen a grinding machine, working at 380 Volts and weighting about 300 kilo's, but this one looked quite different:.

How I built an edge grinder for telescope mirror blanks. - MDPub

I have tried various methods of cleaning up the edges of the blanks. None have been totally satisfactory. I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. The wooden frame of the edge grinder. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch.

DATSCOPE - Telescope mirror grinding machine

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 planned 1M telescope in the near future. TRO_30inch_machine_1.jpg. Original 30 inch TROK grinding machine. TROK_webimages_018.jpg. Link to the.

Build your own telescope part 1: The mirror – Thomas Jacquin .

Nov 12, 2014 . Another surprising advantage is that hand made optics (if guidelines are followed) tend to have a higher surface quality than the mirrors polished by industrial machines. Building a reflector telescope can be decomposed in 2 steps: make the mirror and build the tube/mount. In this post, we'll talk about the.

Lens & Mirror Making • Best lenses and mirrors are both made by .

Grinding – moving the mirror over the tool with grit between). • Grinding compound will make tool convex, mirror concave . Grinding Machines. • Hand grinding takes several days. • Grinding machines designed to create exact same pattern. • Can adjust stroke, positions etc – auto rotates mirror and tool. • Simple machines.

grinding, polishing and figuring - thin telescope mirror: part i

There are many different ways of grinding mirrors. The methods I describe are those I use when working at home, grinding and polishing entirely by hand. Where I refer to machine working, it's for your information, and not essential to making a successful mirror by hand. The techniques described in this article are for mirrors.

Waite Research Mirrors For Telescopes - Science, Technology .

Our fixed-post grinding machine is working on one of two twin 20" mirrors that we are making for the Jet Propulsion Lab. The glass is Supremax-33 borosilicate, and the liquid is 12-micron Microgrit mixed in water. The turntable runs at about 45 rpm's. Work is done in short 20-minute sessions. Then the mirror is tested with.

Making the 20 inch Conical Mirror | Pierre Lemay

The grinding machine has three spindles. The right spindle is the one on which the mirror is mounted. It spins at approximately 2 RPM. The central spindle controls the back and forth movement of the grinding/polishing tool. It's stroke can be adjusted by sliding the crankset pin radially. The left spindle can also be used to.

Making a Mirror. - Bob May's

This motion is standard all along the process of grinding and polishing as you are trying to make a figure of a revolution and not a groove in the mirror. You also need to walk around the barrel or rotate your tool so that it too gets to be worn about equally well in all directions. Grinding/polishing machines work by rotating the.

CNC telescope mirror grinder. - Newfangled Solutions

CNC telescope mirror grinder. . Cant remember if it was in the DIY-CNC, CAD_CAM_EDM_DRO, or the mach group. I think he was talking about bigger than 12 inches, and tolerances that scared me. . There are commercial grinding and polishing machines out there. .kennedy-optics/shop.

build a mirror grinding machine,

CNC telescope mirror grinder. - CNCZone

Dec 6, 2006 . So the short of it is this: build a machine, but plan in some kind of randomizer. Some method of stroke length that varies randomly, plus or minus 1/2" and everything in between. Rotation of the mirror and tool should also be randomized, ie., accurately indexing the two is not desirable. You could, with cnc,.

Leonardo Da Vinci's mirror making machines

Reconstruction of Leonardo's small focal length lens grinder. .museoscienza. Did Leonardo da Vinci Use Concave Mirrors? In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines. One machine is designed for grinding concave mirrors of small focal length. The other machine, a.

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