joy of mirror making fine grinding

Joy of Mirror Making: Fine Grinding - BBAstroDesigns

The Joy of Mirror Making Mel Bartels Fine Grinding The goals of fine grinding are to prepare the curved mirror face so that it is ready for polishing and figuring and make any adjustments of the focal length. Previously in rough grinding we deepened the center of the mirror's face either by grinding with coarse grit and a tool, slumping in a kiln over a mold, or purchasing the glass pre ...

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns

31 行  The Joy of Mirror Making Mel Bartels Rough Grinding The first milestone is putting a curve

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Joy of Mirror Making: Introduction - BBAstroDesigns

The Joy of Mirror Making Mel Bartels Introduction The telescope and the toolmaker . Though our species isn't the only toolmaker on the planet, we have taken toolmaking to new heights. 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 ...

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Oct 20, 2018 - Introduction to grinding polishing and parabolizing a telescope mirror .. Saved from bbastrodesigns. Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding ...

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Apr 28, 2020 - This Pin was discovered by Carlos Alberto Gonçalves Reis. Discover (and save!) your own Pins on Pinterest

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Joy of Mirror Making: Fine Grinding Mirror, Grind, Joy

Mar 8, 2018 - This Pin was discovered by shriram. Discover (and save!) your own Pins on Pinterest

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Nov 5, 2019 - This Pin was discovered by SpaceTrout SpinHab. Discover (and save!) your own Pins on Pinterest

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Oct 20, 2018 - Introduction to grinding polishing and parabolizing a telescope mirror .. Saved from bbastrodesigns. Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding ...

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Joy of mirror making fine grinding – Grinding Mill China

Joy of Mirror Making: Fine Grinding BBAstroDesigns. Mel Bartels Fine Grinding The goals of fine grinding are to prepare the curved mirror face so that it is ready for polishing and figuring and make any adjustments of » Learn More. 16" f??? but I had to share my tool for this mirror. The Joy of Mirror Making" Bob. 08 the end of fine grinding, the only recourse is to make a new » Learn More ...

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding. Saved by SpaceTrout SpinHab. 1. More ideas for you ...

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Apr 28, 2020 - This Pin was discovered by Carlos Alberto Gonçalves Reis. Discover (and save!) your own Pins on Pinterest

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding. Saved by Carlos Alberto Gonçalves Reis. People also love these ideas ...

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TELESCOPE MIRROR MAKING HOW TO: Fine Grinding -

12/04/2020  In this video I am showing you how to make a DIY telescope mirror! This is the second part in the series, showing fine grinding in a step by step tutorial.

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Telescope Mirror Making: Part 4, Fine Grinding - YouTube

19/10/2014  This is the fine grinding process.

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding. Saved by Carlos Alberto Gonçalves Reis. More ideas for you ...

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Joy of Mirror Making: Rough Grinding. Rough grinding a telescope mirror. Saved by SpaceTrout SpinHab ...

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Is grinding a mirror really that hard??? - ATM, Optics and ...

16/03/2002  The "knack" of making a mirror is an acquired ability. You get the knack by doing. The qualities most important are patience, perseverance, and the ability to learn from mistakes. I admire your enthusiasm and desire to make a large dia mirror for your first mirror, but I think it would be a mistake. Make a 6" mirror first. You will learn ...

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Joy of Mirror Making: Rough Grinding in 2020 Diy ...

Apr 28, 2020 - This Pin was discovered by Carlos Alberto Gonçalves Reis. Discover (and save!) your own Pins on Pinterest

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TELESCOPE MIRROR MAKING HOW TO: Fine Grinding -

12/04/2020  In this video I am showing you how to make a DIY telescope mirror! This is the second part in the series, showing fine grinding in a step by step tutorial.

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Joy of mirror making fine grinding – Grinding Mill China

Joy of Mirror Making: Fine Grinding BBAstroDesigns. Mel Bartels Fine Grinding The goals of fine grinding are to prepare the curved mirror face so that it is ready for polishing and figuring and make any adjustments of » Learn More. 16" f??? but I had to share my tool for this mirror. The Joy of Mirror Making" Bob. 08 the end of fine grinding, the only recourse is to make a new » Learn More ...

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Oct 20, 2018 - Introduction to grinding polishing and parabolizing a telescope mirror. . Saved from bbastrodesigns. Joy of Mirror Making: Rough Grinding. Joy of Mirror Making: Rough Grinding. Saved by SpaceTrout SpinHab. 3. More ideas for you ...

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Fine Grinding a 20" Quartz Telescope Mirror - YouTube

11/03/2010  Gordon Waite shows some steps during fine grinding of the 20" mirror. As the grind progresses through the grades of abrasives, see the technique Gordon uses...

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Joy of Mirror Making: Rough Grinding Diy telescope ...

Joy of Mirror Making: Rough Grinding. Rough grinding a telescope mirror. Saved by SpaceTrout SpinHab ...

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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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16" first time mirror grind? - DIY Astronomer - Stargazers ...

22/01/2013  I am not phased by the concept at all as I am also experienced in the craft and fine woodworking side of things. Although I do not offer the experience of someone who has ground many mirrors, the usual advice is to start with a smaller mirror, such as an 8". However I was told by someone who is an expert that if you already have the chops and have developed patience as you would have with fine ...

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Making a Mirror grinding Polishing machine - Page 4 ...

16/03/2015  Page 4 of 5 - Making a Mirror grinding Polishing machine - posted in ATM, Optics and DIY Forum: put the mirror against your laptop, look thru the sunglasses, spin the sunglasses, it should darken the mirror. what do you see when the mirror goes dark? very simple very easy test. + helps to be in a darkened room, and the screen showing white.

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Stellafane ATM: Grits, Polish Pitch

Grit is a generic name for the abrasive particles used with a hard tool in rough and fine grinding. Polish (or Polishing Compound) is a generic name for the abrasive used with a soft Pitch tool in polishing and figuring. Grit and Polish differ mainly in particle size and the type of tool they are used with. This page will provide reference information about these 3 key materials for mirror ...

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TELESCOPE MIRROR MAKING HOW TO: Fine Grinding -

12/04/2020  In this video I am showing you how to make a DIY telescope mirror! This is the second part in the series, showing fine grinding in a step by step tutorial.

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Making a 33 cm f/4.8 mirror on the mirror-o-Matic 4:

08/12/2017  After rough grinding to (about) the right focal length with carborundum 80 (165 micron) and 180 (76 micron) grit, this video is about fine grinding with 25, 15 and 9 micron aluminum oxide. Next ...

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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 ...

More

Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 5:

10/12/2017  Amateur mirror makers tend to move on to polishing after grinding with 9 micron grit. Polishing time can be shortened significantly though, by grinding with finer grits: from 10 hours after 9 ...

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Casting a Large, Light-Weight Telescope Mirror From ...

Step 12: Bonus Material: Rough and Fine Grinding the Mirror. Photo #1 shows the rough grinding process. The mirror blank is ground against a ceramic tile tool with #60 carbide grit in between. Using the correct grinding stroke results in the mirror becoming concave as the tool becomes convex. This process is continued until the mirror reaches the desired curve. The process was all done by hand ...

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Polishing Machined Aluminum to a Mirror Finish : 5 Steps ...

Polishing Machined Aluminum to a Mirror Finish: This is one of many strategies to get aluminum to a mirror finish. If you have sandpaper, a buffing wheel, and some compounds, you can get pretty close to mirror. To get clearer and clearer finishes, you can chrome plate, electro-polish, or do it th

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Hard Turning as an Alternative to Grinding Production ...

22/01/2010  Polished mirror surface finishes of Rz=0.3~0.8z that can be achieved through grinding are not possible by hard turning alone. Grinding has the additional advantage of being able to achieve higher dimensional roundness and cylindricity accuracies compared with hard turning. However, since parts can typically be finished in a single chucking, hard turned parts often show superior concentricity ...

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How to make coarse grinding and fine finishing to

Jingle Abrasives is a professional manufacturer of Flap Discs and other abrasive tools. For more details about our products, please visit our website: jingle-abrasives

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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 pound (nominal 1/2 kg) in weight. Any amount, greater ...

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Help with clenching/grinding : TMJ

-bruxism (grinding teeth)-migraine headache-blurry vision right eye-cracking noise at knee when I bend-ability to make cracking noises with my fingers, arms, and shoulders-fast twitching eyelid at random times-low back pain when standing too long-jaw got tired easily at dentist when I have to keep my mouth open-"lymph node" inflammation along my jaw (I put them in quotes because now I think ...

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