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Big Mirror Grinding Questions... - ATM, Optics .

13.04.2009 · Big Mirror Grinding Questions... - posted in ATM, Optics and DIY Forum: Im mentally preparing to grind a 16 mirror that I recently acquired for a very good price. Its a 16 x1.5 Pyrex mirror slumped to f3~. The first step seems to be grinding the back of the mirror flat. Since it was slumped, the curve extends to the back. Ive seen Gordon Waites video where he uses a diamond grinding wheel to ...

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Telescope Making - Wikibooks, open books for .

04.12.2018 · Everyone talks about grinding mirrors, but very few do it. Grinding takes patience, dedication and a desire for perfection. I have all three but I have never made a perfect mirror. Some people have. Mel Bartels has made several perfect mirrors, as has Jerry Oltion of TrackBall fame. Don't let "perfect" scare you, "average" works well. When you start with a pie plate, the hardest part of the ...

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Big Mirror Grinding Questions... - ATM, Optics .

13.04.2009 · Big Mirror Grinding Questions... - posted in ATM, Optics and DIY Forum: Im mentally preparing to grind a 16 mirror that I recently acquired for a very good price. Its a 16 x1.5 Pyrex mirror slumped to f3~. The first step seems to be grinding the back of the mirror flat. Since it was slumped, the curve extends to the back. Ive seen Gordon Waites video where he uses a diamond grinding wheel to ...

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Building a fixed post mirror grinding machine - .Traduire cette page

13/10/2019 · 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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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. A ship porthole will also do very nicely. You can use sandblasting abrasives, make your own polishing pitch. Or even silver the ...

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[email protected] | Newbie .

25.04.2020 · It is quite amazing stuff, but clearly, not easy to control and highly sensitive to many parameters. ... I always wondered about that air bubble under the mirror as I was grinding. No one at that time to help me along but Edmund scientific. I ended up ditching the entire project around 35 years ago. My reason for reattempting mirror building is of the curious nature that I have. The MOM is ...

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SkyBadger - Mirror Grinding Machine

However the big stuff was in place and well made. I finished off the machine, building parts and providing linkages from my bits box. For example, the eccentric driving linkage used a bicycle quick-release clamp to allow rapid changing of the eccentric motion without tools. TOP The Testing Equipment. While grinding the first mirror I discovered that there is a range of test equipment that I ...

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How I make Telescope Mirror Blanks - mdpub

Here is a stack of my home-made 8 and 10 inch mirror blanks. The second from the bottom is the one above. I can use the thinner blank below it as the grinding tool. UPDATE I have started rough grinding one of my home-made 10in glass blanks. Here is an action shot of me, pushin' glass. I am aiming for an f/5 mirror.

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[email protected] | Newbie .

25.04.2020 · It is quite amazing stuff, but clearly, not easy to control and highly sensitive to many parameters. ... I always wondered about that air bubble under the mirror as I was grinding. No one at that time to help me along but Edmund scientific. I ended up ditching the entire project around 35 years ago. My reason for reattempting mirror building is of the curious nature that I have. The MOM is ...

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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 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 their own telescopes. In the good old days, building your own telescope was the only way to get ...

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Mirror grinding | Hacker News

The center of the mirror is the most likely to be contacted by any motion, so it is abraded more frequently and becomes the deepest point, while the edges are worn less. The distribution between "less" and "more" is spherical. I can at least understand the process of grinding or lapping a surface flat. Here are a couple examples:

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build a mirror grinding machine - .

My Mirror Grinding Machine For a long time Ive wanted to build a machine for grinding telescope mirrors Dennis Rechs MoM designs finally inspired me to just get up and do it Over the years Id been collecting motors gear boxes pulleys etc. Get Price. Hot Products. Our products sell well all over the world, and have advanced technology in the field of crushing sand grinding powder. Active Carbon ...

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Mika Mirror Grinding Bit, Fine Grit, 3/4" - .Traduire cette page

Home Glass GRINDERS, Saws, and Stuff Grinders & Accessories Mika Specialty Grinding Bits for mirror edges, beveling and jewelry work Mika Mirror Grinding Bit, Fine Grit, 3/4" Mika Mirror Grinding Bit, Fine Grit, 3/4" Click image to enlarge. Item no: 7062A: Mika International item: ME-6F: Retail price: $52.80. In stock: 0 No longer available. The perfect choice for those times when you need a ...

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Making a Mirror. - Astronomy

16.12.2002 · Lets get all the stuff together that we need. This list is what's needed for making a mirror and it's a pretty complete list so let's the stuff together and get to the work at hand, namely grinding the mirror. Pull out all the parts of the mirror kit (if you got one) and put the various grits in the jars. If you don't get a kit, all of the various pieces are available on the web from various ...

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Mirror grinding | Hacker News

The center of the mirror is the most likely to be contacted by any motion, so it is abraded more frequently and becomes the deepest point, while the edges are worn less. The distribution between "less" and "more" is spherical. I can at least understand the process of grinding or lapping a surface flat. Here are a couple examples:

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SkyBadger - Mirror Grinding Machine

The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech ( link : ). While the bulk of the components were in place it wasn't finished : the linkages were not in place, the tool drive arm was unfinished and a few other bits. However most of the big stuff was in place. I finished off the machine, building parts and providing linkages from my bits box. For ...

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How I make Telescope Mirror Blanks - mdpub

Here is a stack of my home-made 8 and 10 inch mirror blanks. The second from the bottom is the one above. I can use the thinner blank below it as the grinding tool. UPDATE I have started rough grinding one of my home-made 10in glass blanks. Here is an action shot of me, pushin' glass. I am aiming for an f/5 mirror.

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Telescope Making - Wikibooks, open books for .

04.12.2018 · Everyone talks about grinding mirrors, but very few do it. Grinding takes patience, dedication and a desire for perfection. I have all three but I have never made a perfect mirror. Some people have. Mel Bartels has made several perfect mirrors, as has Jerry Oltion of TrackBall fame. Don't let "perfect" scare you, "average" works well. When you start with a pie plate, the hardest part of the ...

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Starshine Mirror Grinding & Polishisng

10.01.2000 · PHASE ONE - MIRROR GRINDING 1. Wash the glass backing plate in running tap water, ... This is pretty hard to do, because the sticky stuff on the back of the pad is really strong. Find someone with good fingernails and strong fingers to do this job. Discard the cloth pad into a wastebasket. Carefully wash the glass plate in running tap water, being sure to remove every bit of the sticky backing ...

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Telescope Mirrors by Gadget Peak on VimeoZum Anzeigen hier klicken0:38

24.02.2016 · For Hire . Post jobs, find pros, and collaborate commission-free in our professional marketplace.

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