build a mirror grinding machine

I assume you are talking about a telescope mirror. I have read a lot and ground one small mirror some years ago but did it all by hand. If I remember properly, some of the features you want in a grinding machine are the ability to change the stroke's length as well as the path it …

build a vacuum pump build a telescope mirror grinding machine. Building a grinder to true up the edges of glass mirror blanks cast in a kiln I eventually decided I needed to build a dedicated edge grinding machine Though I have found that it is actually even easier to clean it …

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.

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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.

homemade mirror grinding machine - bondhumahal.in. Mirror grinding machine | Hackaday · 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.

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

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.

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.

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, you'll see how abrasive and water are applied, and how the ...

I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding operation will be messy, so it will need to be done outside.

There are a lot of misconceptions about making a mirror - read this even if you don't plan to make a mirror, but just want to know how it is done - with your bare hands and a few simple tools, you can grind and figure a fine mirror with a surface accurate to a few millionths of an inch! Telescope Formulas and Design Comparator

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 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 …

Building a Mirror-O-Matic mirror making machine . Making a Mirror-O-Matic Mirror Making Machine. M-O-M 20, good for mirrors up to 20 inch diameter: ... On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) and 9 micron aluminium oxyde. The bent lines on the mirror are the effect of the tool ...

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

Nov 01, 2011· Hi AllWeve been having some idle discussions about grinding mirrors here. In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dream at the moment, but has anyone had experience building...

Jun 27, 2013· Removing zones and a turned down edge using a hand drill and diamond grinding pad. Skip navigation ... Grinding a mirror with a hand drill Bruce Rout ... My Zeiss grinding and polishing machine ...

build a mirror grinding machine – Grinding Mill China. Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors Dennis Rech's MoM 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. » Learn More.

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.

Machines. Mirror-o-Matic 14 Mirror-o-Matic 20

Telescope Mirror Making: Part Rough Grinding This is part 2 of my video series documenting grinding and polishing a inch telescope mirror. I'm using a spin or fixed post grinding machine. This video shows a few initial stages of making a primary mirror for a telescope. After hogging the mirror blank to depth, the rough grinding stage begins.

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 ...

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 …

Dec 16, 2014· Gordon started with a 2" thick telescope mirror that weighed about 70 pounds. By thinning the blank, he's lightened the mirror by about 20 pounds! This video explains how he …

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 astronomers have been building …

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 …

Other than these two advantages, the Mirror-o-Matic will do nothing that cannot be done by hand ‘walking around the barrel’. Although the final results should be similar, the mechanics of machine grinding and polishing can be very different from handwork. This machine should be used as …

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.

The Machines: Documentation: Information for ATMs Contact Dennis

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 mirror grinding.

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 12 shaft size pillow ,Mirror grinding machine for sale.

I wonder if anybody ever tried to build a home made cnc (+rotary) grinding / polishing machine for parabolic mirrors. Using computerised machines (arduino or rasperry for example) could reduce the errors and production time. just an idea maybe someone can pick it up :)