mirror grinding building

Mirror grinding machine construction log 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

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Mirror Grinding Machine ATM, Optics and DIY Forum

29/09/2010· 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

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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.

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Building a 20" F/3.3 Renegade Telescope: Part 1 YouTube

29/05/2016· Documenting the telescope build, including mirror grinding and figuring, and construction of the Renegade telescope body. Part 1 includes prepping the mirror for grinding, spherometry on the

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Mirror grinding scope making

You might purchase a mirror grinding kit, and have everything you need included. If such a kit is unavailable, you need to do some scrounging. You can order a 19 mm thick disc at your local glass shop. Such glass is usually used for tabletops and window displays.

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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.

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Telescope Mirror Kits Firsthand Discovery

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.

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Telescope Making Supplies willbell

Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective. Different techniques are needed. While there is still

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Telescope Building with John Dobson YouTube

9/12/2014· Step-by-step making of A Dobsonian telescope.

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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.

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tut44 Making A Mirror Grinding Tool Asterism

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own For many decades now, amateur astronomers have been building their own telescopes. In the good old days, building your own telescope was the only way to get an affordable large aperture telescope. Back in the day, owning your own 10” telescope was huge. Today, with the low-cost

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How I built an edge grinder for telescope mirror blanks.

Building a grinder to true up the edges of glass mirror blanks cast in a kiln. 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. How I do it is explained elsewhere on this web site. The casting process leaves the blanks slightly oversize, and the edges of the blanks rough, and not quite

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Making a homemade mirror grinding machine ATM, Optics

6/03/2006· 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 questionwill 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you,John

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Telescope Mirrors, Blanks, Secondaries, Grinding Materials

Telescope Mirrors, Blanks, Secondaries, Grinding Materials, Testers, Aluminising, Making Advice Information.

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Joy of Mirror Making: Rough Grinding BBAstroDesigns

I use an old printer stand. Here is a 25 inch [635cm] mirror being rough ground followed by a beautiful grinding stand from the Delmarva Mirror Making Seminar. Grinding Tools. To construct a grinding tool, attach unglazed ceramic tiles, 1 inch [2.5cm] square, to one of these substrates: Hydrostone gypsum cement; Casting building plaster; Concrete

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Build your own telescope part 1: The mirror Thomas

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

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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: lightweight, very compact

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Amateur telescope making Wikipedia

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional.Amateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of astronomy.

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Building making homemade telescopes amateur Dobsonian byot

1)Build Your Own Telescope Kit This is designed for individuals who wish to construct an 8" Reflecting Telescope including grinding and polishing the main mirror. This kit includes everything needed to construct the telescope except basic hand tools. Information on this kit is outlined on this page below.

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Build your own telescope part 1: The mirror Thomas

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

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mirror grinding machine plans tuinmachinesofferte

Home > mirror grinding machine plans > We have the best service There are various types of mining equipment with green building materials, you can contact us online.

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Build A Mirror Grinding Machine

Build A Mirror Grinding Machine. We are a professional mechanical equipment manufacturer, we provide original parts, service solutions, extensive training and extensive wear, crushing chambers and screening media solutions to reduce operating costs, improve product quality and maximum productivity.

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Building a fixed post mirror grinding machine

19/08/2019· Hello all, I'm fascinated by those who can grind and figure their own mirrors for reflecting telescopes. With the availability of kits to finish beautiful ATM dobs from companies like dobstuff, the lure of building one's own scope to high tolerances an

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Newport Glass Works, LTD. Grinding, Polishing and Figuring

A solid tool traps abrasive in the center of the mirror and resists grinding the mirror spherical. When you first start a new and smaller abrasive, this shows up as a tendency to form a large bubble in the center, especially in the larger abrasives. Remedy this by using short "W" strokes and stirring the abrasive under the mirror every minute

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Telescope-Making-Supplies-vcsm Scientific Mirrors

Rough grinding powders for grinding mirrors to the required curve starting with flat (non diamond generated) mirror blank and grinding tool. Three grades of coarse grinding powders are listed below. The table advises the probable amount of each grade of powder needed to grind the mirror sizes listed. The powders are priced at a cost per per

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Building a fixed post mirror grinding machine Page 2

13/10/2019· Things I need to probably change or fix: My gearing of the DC motor. I will need a slow speed for polishing (5 rpm), and faster speeds for hogging out and fine grinding (15- 30 rpm), so likely need to think about adding a gear reduction. Fixing the aluminum turntable to the wooden turntable base. Building wedges to locate the mirror on the

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Large Homemade Telescope Making Project Google

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.

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Stellafane ATM: Materials & Tools

This page will describe the necessary materials and tools you will need to make a mirror. It will only list what we feel are the minimum equipment required; additional, optional equipment is described on other pages in this series, under the topic to which it applies. As always, we describe the most common and accepted tools and materials

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Firsthand Discovery Amateur Astronomy and Telescope

Your source for amateur telescope making. We have telescope mirror blanks, kits, and books for the amateur astronomer.

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Speed Of Hammer Mill Machine Used In Crushing Of Stone S

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