Fixed Post Mirror Grinding Table - designed with 123D ...

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.

Telescope Mirror Making: Part 3, Rough Grinding - YouTube

Sep 23, 2012· After hogging the mirror blank to depth, the rough grinding stage begins. In this video I am grinding with 60/90 grit. The wets are lasting about 90 seconds to 2 minutes.

Mirror grinding | Telescope, Astronomy, Diy telescope

Discover ideas about Diy Telescope. How to make telescope. Diy Telescope Hubble Space Telescope Grinding Astronomical Observatory Mirror Aperture Lights Hubble Space Telescope Grinding Astronomical Observatory Mirror Aperture Lights

Mirror grinding - scope making

If you are making this mirror to practice your skills for a future, large mirror you want to make, a fast, F4 - F5 mirror is probably your best choice. The future, large mirror will also be something like F4.5 so this is a good way to practice parabolising.

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Joy of Mirror Making: Rough Grinding - Mel Bartels and, Rough grinding a telescope mirror, The curve is ground into the mirror face using a grinding tool, Diamond wheel grinder rubbed against the mirror face. Contact supplier. uses of cylindrical grinding machine.

The Joy of Mirror Making - BBAstroDesigns

Landing page for how to grind polish and parabolize a telescope mirror. The Joy of Mirror Making Mel Bartels. Introduction Rough Grinding Fine Grinding Polishing Parabolizing

Grinding my first 6" f/8 Telescope Mirror - YouTube

Oct 28, 2011· This video shows a few initial stages of making a primary mirror for a 6" f/8 telescope. I'm a newbie so bear with me in my ignorance as a first timer making a Telescope. I actually purchased ...

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns. Rough grinding a telescope mirror The Oltion Relationship Jerry Oltion points out that if the sagitta is 1/16 of the unit of measure, the focal ratio is the mirror diameter. More; Fixed post mirror grinder advice - DIY Astronomer,

Stellafane ATM: Rough Grinding

Rough grinding is often called "Hogging Out", as your goal is to remove the majority of the glass needed to form the curve of your mirror. It is not particularly elegant work, being the noisiest and messiest part of the whole mirror making process. GOAL: You have completed rough grinding when you have:

Rough Grinding Com

Tyrolit Rough grinding disc PREMIUM*** "2 in 1" ... Large Thin Mirror Making. Preparation before grinding. Throw rough grit around the rim of the mirror, wet it down, grab a piece of metal, and grind in a nice rounded ... Get Price . China Rough Grinding Factory, Rough Grinding Factory ...

Telescope Making, Rough Grinding a Primary mirror for a 12 ...

Aug 01, 2009· In this video, I continue rough grinding my 12.5 inch primary mirror for my Buchroeder Quad Schiefspiegler. The radius of curvature will be 300 inches when complete. Progress is slow, but I am ...

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

31 · The Joy of Mirror Making Mel Bartels Rough Grinding ... 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:

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Joy of Mirror Making: Rough Grinding bbastrodesigns.com. The center will deepen during the first stage of fine grinding as contact is achieved across the mirror face and fine grinding tool. On larger mirrors, the ring tool may leave the zones part way to the edge a little underground.

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Joy of Mirror Making: Rough Grinding - Mel Bartels. The Joy of Mirror Making Mel Bartels ... otherwise grinding time is increased. ... The precise formula for calculating sagitta is:

Mirror-o-Matic

May 02, 2002· Mirror-o-Matic Operations Manual Revised 2 May, 2002. Mirror-o-Matic will take most of the manual labor (some call this drudgery, some call it joy) out of mirror making.Because the mirror is rotated on a turntable, it will have a very nice figure of revolution. The chance of producing a severely astigmatic mirror is greatly reduced.

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

Mar 16, 2002· If your intention is to make a 12" mirror and you are making a smaller mirror mostly to learn techniques, then you should reconsider the 8" and instead start with a 6". In my youth, I made many mirrors and helped a lot of amateurs make theirs, and making an 8" is a lot more work than a 6", but the learning process is the same.

Telescope mirror grinding - YouTube

Mar 23, 2016· Here, we show how we are grinding the back of a mirror flat, using the 'fixed post grinding', method.

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MirroroMatic mirror making machine ATM pages of . MirrorOMatic grinding machine. When I decided in 2009 after a tenyear 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 …

Telescope Making, Rough Grinding a 12.5 inch primary mirror

Telescope Making, Rough Grinding a 12.5 inch primary mirror In this video, I continue the rough grinding of the primary mirror for my Buchroeder Quad Schiefspiegler telescope. I have decided, against the advice of my ...

Joy of Mirror Making: Polishing - BBAstroDesigns

The Joy of Mirror Making Mel Bartels Polishing Polishing a mirror is one of the great joys you will experience as a maker and builder. It's also arguably the most accurate surface made by man or machine. If the mirror is expanded to the size of a football field, then the mirror's surface will be smooth to 1/1000 inch or 1/30 millimeter ...

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Home > Products > mirror grinding beveled. Mobile Crushing Plant. Stationary Crushing Plant. Grinding Mill. Washing & Screening. Three in One Mobile Crusher. Mobile VSI Crusher. Mobile VSI Crusher & Washer. ... mirror grinding beveled Joy of Mirror Making: Fine Grinding BBAstroDesigns ...

The Joy of Mirror Making Mel Bartels | Mirror | Grinding ...

For more see Introduction Rough Grinding Polishing Parabolizing Polishing Star Testing. converted by W eb2PDFConvert.com The Joy of Mirror Making Mel Bartels. Polishing Polishing a mirror is one of the great joys you will experience as a maker and builder. It's also arguably the most accurate surface made by man or machine.

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns The Joy of Mirror Making Mel Bartels Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length. ... Also there's the difficulty of creating a spherical curve in the mirror face.

Homemade Mirror Grinding Machine

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

Grinding a 25-Inch F3 Telescope Mirror: Thinning and ...

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.

Joy of Mirror Making: Introduction

A ring tool of half the diameter of the mirror used on top of the mirror's flat face with the coarsest grit will rapidly grind a spherical curve into the mirror. Grinding a 6 inch [15cm] mirror to F/2.8 using a ring tool. Mirror Making Zen. Do one thing at a time. Mirror making is a process: 1. Get blank, grit, pitch 2.

Mirror grinding - Pinterest

Grinding a Telescope Mirror: Thinning and Flattening the Back Gordon started with a thick telescope mirror that weighed about 70 pounds. By thinning the blank, he's lightened the mirror by about 20 pounds! ... Joy of Mirror Making: Introduction Daha fazlasına bakın.

Telescope Making, Rough Grinding a 12.5 inch primary mirror

Aug 03, 2009· In this video, I continue the rough grinding of the primary mirror for my Buchroeder Quad Schiefspiegler telescope. I have decided, against the advice of my friend, Dick Parker, to go with a ...

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After your finished with fine grinding the mirror you will need to make yet another tool. 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 .

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mirror grinding tool Newest Crusher, Grinding … Joy of Mirror Making: Rough Grinding Mel Bartels The center will deepen during the first stage of fine grinding as contact is achieved across the mirror face and fine grinding tool. read more . fine grinding hydrostone - edogawa.fr ...