Grinding Machine Karl Size Telescope

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Grinding metre scale mirror segments for the E-ELT ground based

网页2011年1月1日The next generation of ground based telescopes require many hundreds of metre scale off-axis mirrors. In this stone the grinding of a 1.45 m scale Zerodur ®

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(PDF) Precision grinding for rapid fabrication of segments for

网页2010年7月1日PDF An ultra precision large optics grinding machine, BoX®, was developed and produced at Cranfield University. BoX® offers a rapid and economic

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Grinding Metre-Scale Mirror Segments for the E-ELT Ground

网页E-ELT Ground Based Telescope Authors: P. Comley, P. Morantz, P. Shore (2), stiff and well damped grinding machines such as the Tetraform [9]. These machines

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GRINDING A TELESCOPE REFLECTOR WITH TOOL-GRINDING

网页Cast-iron tools require patterns, castings, and heavy machine work, which the amateur usually cannot do for himself. Here I laid out a plan to overcome the difficulty and give

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Constructing a Grinding Machine for large apertures

网页2018年11月19日Just as making a 6 or 8" telescope is an excellent gateway to going larger, maybe making a smaller grinding machine might be a good way to learn before

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GRINDING A TELESCOPE REFLECTOR WITH TOOL-GRINDING DEVICE

网页Cast-iron . tools require patterns, castings, and heavy machine work, which the amateur usually cannot do for himself. Here I laid out. a plan to overcome the difficulty and give

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Mirror Grinding Machine

网页The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good

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Schleifmaschine Karl Size Teleskop

网页Grinding Machine Karl Size Telescope Grinding machines, like broaching machines, operate over a range of speeds depending on the type of machine being used.These

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Grinding Machine Karl Size Telescope

网页The earliest known telescope was a refractor built by the Dutch gold Karl Storz 30103CS Telescope Stopper Size 11mm Sterile Box of 12 Item Past Expiration

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Grinding metre scale mirror segments for the E-ELT ground based telescope

网页2011年1月1日In the 1980s machines such as the OAGM—off-axis grinding machine—built for Eastman Kodak [8] had a 2.5 m capacity with a grinding accuracy of approaching 1 part in 10 6. Such state of the art machines today require high levels of investment for both acquisition and operation, and do not offer the levels of throughput

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Grinding Metre-Scale Mirror Segments for the E-ELT Ground Based Telescope

网页E-ELT Ground Based Telescope Authors: P. Comley, P. Morantz, P. Shore (2), stiff and well damped grinding machines such as the Tetraform [9]. These machines demonstrated high performance grinding on and finish stages, using D76, D46 and D25 diamond grit size respectively. The resin bond wheels are formed and dressed in-

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Theories on designing a robotic mirror grinder. Cloudy Nights

网页2015年9月30日Theories on designing a robotic mirror grinder. posted in ATM, Optics and DIY Forum: So I have been thinking and doing some preliminary design work on a robotic telescope grinding machine with the intent to grind a 12 inch parabolic primary mirror for a telescope I intend to build. I have been trying to understand the mechanics

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Constructing a Grinding Machine for large apertures

网页2018年11月19日Page 1 of 2 Constructing a Grinding Machine for large apertures posted in ATM, Optics and DIY Forum: Ive been using a 4.5 equatorial from Orion for many years now and Ive finally got the time and money to build a telescope from the ground up. Unfortunately my local astronomy club has no-one with experience with ATM-ing. Given

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Mike Lock Telescope Making Mirror Making

网页Telescope Making *TELESCOPES PAGE* How I got started in ATM Optical Equipment Pitch tester, Strain testing setup, Mirror test stands, Spherometers, Slitless Foucault testers, Interference test setup, Small grinding machine, Large grinding machine Optical Articles, Tables, etc. Figuring with a full-size lap Oblate spheres and how to fix them

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Mirror Grinding Machine

网页The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20" dish used for holding potted plants. About $5.00 at

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Making a homemade mirror grinding machine Cloudy Nights

网页2006年3月6日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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Grinding a 6 inch Mirror ATM, Optics and DIY Forum Cloudy

网页2009年6月17日Page 1 of 4 Grinding a 6 inch Mirror posted in ATM, Optics and DIY Forum: Hey Everyone, I first made a 6 f/10 telescope back in 2002. It was, as everyone called it here the minimum size you should make. So I went ahead with it. The f/10 was because some gentleman had ground the glass to f/10 and abandoned it in the local

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Joy of Mirror Making: Fine Grinding BBAstroDesigns

网页Fine grinding a telescope mirror. The Joy of Mirror Making Pits from a grit size often don't become obvious to newbie mirror makers until two grit sizes later, e.g., 120 silicon carbide pits don't become obvious until 500 grit. A grit sequence of

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Amateur Telescope Making Main Page Stellafane

网页Telescope Formulas and Design Comparator This page has formulas for many telescope and mirror parameters. It will calculate parameters for two different telescope designs and compare the results for you. It provides data to help in selecting a telescope, and also provides information necessary for mirror making and testing.

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Grinding metre scale mirror segments for the E-ELT ground based telescope

网页2011年1月1日In the 1980s machines such as the OAGM—off-axis grinding machine—built for Eastman Kodak [8] had a 2.5 m capacity with a grinding accuracy of approaching 1 part in 10 6. Such state of the art machines today require high levels of investment for both acquisition and operation, and do not offer the levels of throughput

Contact

(PDF) Precision grinding for rapid fabrication of

网页2010年7月1日The next generation of ground-based telescopes requires hundreds of meter-scale, off-axis reflective mirrors. To fulfill the fabrication demands, the Cranfield BoX ™ grinding machine was

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Grinding metre scale mirror segments for the E-ELT ground based telescope

网页2011年12月31日In this stone the grinding of a 1.45 m scale Zerodur (R) mirror segment for the European Extremely Large Telescope (E-ELT) is introduced. Employing an R-theta grinding mode with a multi stage

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Telescope Making Links Designs and Techniques

网页Large Thin Mirror Making by Mel Bartels. Grinding Machines. Mirror-o-matic. Tom Waineo's Desktop Grinding/Polishing Machine. Ken Lilja's Grinding Machine. Grinding Machine. Figuring. Figuring a Paraboidal

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Mike Lock Telescope Making Mirror Making

网页Telescope Making *TELESCOPES PAGE* How I got started in ATM Optical Equipment Pitch tester, Strain testing setup, Mirror test stands, Spherometers, Slitless Foucault testers, Interference test setup, Small grinding machine, Large grinding machine Optical Articles, Tables, etc. Figuring with a full-size lap Oblate spheres and how to fix them

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Mirror Grinding Machine

网页The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20"

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Can I use 19mm thick plate glass to grind 14 inch mirror Cloudy Nights

网页2016年11月19日Page 1 of 2 Can I use 19mm thick plate glass to grind 14 inch mirror ? posted in ATM, Optics and DIY Forum: Hi All, I do have some prior experience regarding mirror grinding. I am planing to grind the telescope mirror by hand. The size I am considering is 14 inch F/4.5 I know that I should use 30 mm thick glass for this. However,

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Grinding a 6 inch Mirror ATM, Optics and DIY Forum Cloudy

网页2009年6月17日Page 1 of 4 Grinding a 6 inch Mirror posted in ATM, Optics and DIY Forum: Hey Everyone, I first made a 6 f/10 telescope back in 2002. It was, as everyone called it here the minimum size you should make. So I went ahead with it. The f/10 was because some gentleman had ground the glass to f/10 and abandoned it in the local

Contact

Making a homemade mirror grinding machine Cloudy Nights

网页2006年3月6日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.

Contact

Joy of Mirror Making: Fine Grinding BBAstroDesigns

网页Fine grinding a telescope mirror. The Joy of Mirror Making Pits from a grit size often don't become obvious to newbie mirror makers until two grit sizes later, e.g., 120 silicon carbide pits don't become obvious until 500 grit. A grit sequence of

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