tut44 making a mirror grinding tool
tut44 Making A Mirror Grinding Tool - Asterism.org
2019-3-8 · Here is how to make the grinding tool. 1. Trace the outline of the blank on a section of 3/4" tiles with a marker. Pick out a flat face tile like the tile shown in the photo. Most sheets of tile have a back webbing to hold them in a sheet. Cut the tile backing material with a utility knife removing the section you want for your grinding tool face.
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Tut44 Making A Mirror Grinding Tool | Telescope ...
2020-5-29 · Tut44 Making a Mirror Grinding Tool - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Instructions on how to make a grinding tool for mirrors
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Mirror grinding - scope making
2007-2-13 · Tile tools grind faster, and you can make 2 mirrors instead of one. Or you can share the costs of a mirror kit with a friend and make a mirror each. A tile tool is a disc poured from cement, with a layer of hard, porcelain tiles epoxied on it.
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Joy of Mirror Making: Rough Grinding - BBAstroDesigns
2022-1-6 · 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]
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Joy of Mirror Making: Polishing - BBAstroDesigns
2022-1-6 · Here is a 25 inch mirror on top of the fine grinding tool with pads applied. And here is the result after 5 hrs of machine polishing starting from a 20 micron aluminum oxide grind. Note that the edge is not as reflective. Materials
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Making a homemade mirror grinding machine - ATM,
2006-3-6 · Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16", 70% of 12.5" ends up at 8 3/4". Looking back at my notes I used the tile tool primarily at the 70% zone of the mirror.
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Making A Tile Tool - The ATMs Workshop
2000-12-15 · Since we are attempting to match the existing curve on the hogged mirror, we will use the mirror itself as a part of the form. The photographs in this article show a sub-diameter tool being cast. In this case a 12.5" tool for a 17.5" mirror. Making a full size tool using this process is actually much easier.
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Making a tin mirror. Grinding without tool. - ATM, Optics ...
2018-6-7 · Page 1 of 2 - Making a tin mirror. Grinding without tool. - posted in ATM, Optics and DIY Forum: Im making a tin parabolic mirror which is 8 inches. Telescopes used to be made of mostly copper and some tin but i wanted to see what would happen with just tin. I have no tool to grind it so i was wondering if it would be possible to grind without a tool into a hopefully almost
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Making a Mirror. - Astronomy
2012-4-5 · If you have a desire to make a plaster tool, then go here for the Plaster Tool method or if you are going to use the glass tool supplied with a kit, then you should go here for the Glass Tool method. In either case, you will end up carving a hole in the mirror with about 80% - 90% of the depth of the curve desired as the next stage of grinding ...
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How to Make Your Own Telescope Mirror - Instructables
This tool is called a pitch lap. It is made the same way as the penny tool you made to do the fine grinding except instead of pennies you will use "Pitch". [Fig 6] Here is a photo that shows the tool being pressed against the warmed pitch. It is resting on my mirror with aluminum foil between the tool and mirror so it doesnt stick.
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Mirror Grinding Machine | Hackaday
2006-9-26 · Mirror Grinding Machine. 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 ...
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Joy of Mirror Making: Polishing - BBAstroDesigns
2022-1-6 · Here is a 25 inch mirror on top of the fine grinding tool with pads applied. And here is the result after 5 hrs of machine polishing starting from a 20 micron aluminum oxide grind. Note that the edge is not as reflective. Materials
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Making a homemade mirror grinding machine - ATM,
2006-3-6 · Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16", 70% of 12.5" ends up at 8 3/4". Looking back
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Making A Tile Tool - The ATMs Workshop
2000-12-15 · Since we are attempting to match the existing curve on the hogged mirror, we will use the mirror itself as a part of the form. The photographs in this article show a sub-diameter tool being cast. In this case a 12.5" tool for a 17.5"
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Mirror Grinding Machine
2015-8-14 · 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,
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Making a Mirror. - Astronomy
2012-4-5 · If you have a desire to make a plaster tool, then go here for the Plaster Tool method or if you are going to use the glass tool supplied with a kit, then you should go here for the Glass Tool method. In either case, you will end up carving a hole in the mirror with about 80% - 90% of the depth of the curve desired as the next stage of grinding ...
Read More
Making a tin mirror. Grinding without tool. - ATM, Optics ...
2018-6-7 · Page 1 of 2 - Making a tin mirror. Grinding without tool. - posted in ATM, Optics and DIY Forum: Im making a tin parabolic mirror which is 8 inches. Telescopes used to be made of mostly copper and some tin but i wanted to see what would happen with just tin. I have no tool to grind it so i was wondering if it would be possible to grind without a tool into a hopefully almost
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Build your own telescope part 1: The mirror – Thomas ...
Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the
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How to Make Your Own Telescope Mirror - Instructables
This tool is called a pitch lap. It is made the same way as the penny tool you made to do the fine grinding except instead of pennies you will use "Pitch". [Fig 6] Here is a photo that shows the tool being pressed against the warmed pitch. It is resting on my mirror with aluminum foil between the tool and mirror so it doesnt stick.
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Amateur Telescope Making Main Page - Stellafane
Amateur Telescope Making Main Page. "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out
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Mirror Grinding Machine | Hackaday
2006-9-26 · Mirror Grinding Machine. 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 ...
Read More
SkyBadger - Mirror Grinding Machine
The clamps hold the mirror centrally on the grinding platter, Freeing one should allow the mirror to be removed, cleaned and reset with out disturbing the centering. The tool for grinding was made from cutting a disk to the same size as the
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Making a Dental Stone Tool Method of grinding of a mirror.
2013-4-26 · Making a Dental Stone Tool Method of grinding of a mirror. With this method, the first thing is to mostly grind out a roughly spherical hole in the mirror with a piece of iron (or other metal if desired) that is usually in a ring shape and
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Making a Mirror. - Astronomy
2012-4-5 · If you have a desire to make a plaster tool, then go here for the Plaster Tool method or if you are going to use the glass tool supplied with a kit, then you should go here for the Glass Tool method. In either case, you will end up carving a hole in the mirror with about 80% - 90% of the depth of the curve desired as the next stage of grinding ...
Read More
Making a tin mirror. Grinding without tool. - ATM, Optics ...
2018-6-7 · Page 1 of 2 - Making a tin mirror. Grinding without tool. - posted in ATM, Optics and DIY Forum: Im making a tin parabolic mirror which is 8 inches. Telescopes used to be made of mostly copper and some tin but i wanted to see what would happen with just tin. I have no tool to grind it so i was wondering if it would be possible to grind without a tool into a hopefully almost
Read More
How to Make Your Own Telescope Mirror - Instructables
This tool is called a pitch lap. It is made the same way as the penny tool you made to do the fine grinding except instead of pennies you will use "Pitch". [Fig 6] Here is a photo that shows the tool being pressed against the warmed pitch. It is resting on my mirror with aluminum foil between the tool and mirror so it doesnt stick.
Read More
Build your own telescope part 1: The mirror – Thomas ...
Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the
Read More
Fixed post mirror grinder advice - DIY Astronomer ...
2011-11-1 · Basically there are two types of grinding/polishing machine. The ‘traditional’ type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror and/or tool.
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Advanced Tool Sharpening - Conrad Hoffman
2012-2-3 · If you're making an adjustment screw for a laser mirror mount, it certainly does matter. For conventional HSS lathe tools the hollow grinding technique described above works well. For threading tools that get lapped using
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Amateur Telescope Making Main Page - Stellafane
Amateur Telescope Making Main Page. "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out
Read More
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