telescope mirror grinding machines

Panasonic HDC-SD60 Telescope mirror grinding machine - YouTube

Panasonic HDC-SD60 Telescope mirror grinding machine - YouTube

May 01, 2010· just a quick vid of my home made mirror grinding machine

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Parabolizing a Telescope Mirror - BBAstroDesigns

Parabolizing a Telescope Mirror - BBAstroDesigns

- Myron Emerson's Amateur Telescope Mirror Making - GAP 47's machines summary - David Harbour's Understanding Foucault - Albert Highne's Portable Newtonian Telescopes - Neale E Howard's Standard Handbook for Telescope Making - Albert G Ingall's Amateur Telescope Making, Volumes 1-3 - H Dennis Taylor's The Adjustment and Testing of Telescope ,

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Stellafane ATM:Mirror Making Myths

Stellafane ATM:Mirror Making Myths

Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs; Not True! Telescope mirrors can be made in your kitchen, basement or garage with nothing more than the mirror blank and a second piece of glass (called the tool) to rub the mirror ,

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How do you turn a chunk of glass into a telescope mirror ,

How do you turn a chunk of glass into a telescope mirror ,

Mirror grinding tutorial 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 ,

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Optic Wave Laboratories - Products

Optic Wave Laboratories - Products

Telescope Mirrors Optic Wave Laboratories offers a standard line of parabolic or Newtonian telescope mirrors All mirrors are made in-house on our commercial fabrication equipment - no "home built" rickety machin From diamond curve generation, grinding, polishing, figuring, testing and coatings - we control the entire process

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telescope mirror grinding / polishing machine with ,

telescope mirror grinding / polishing machine with ,

Feb 15, 2016· The machine is shown grinding a 300 mm mirrorHow to build a tachometer: florinmyiporg/blog/making-tachometer-grinding-polishing-machine-telescope-m,

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Newport Glass Works, LTD Grinding, Polishing and Figuring ,

Newport Glass Works, LTD Grinding, Polishing and Figuring ,

Thin Telescope Mirrors Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine Article's Author: Bob Kestner Part I - Grinding For many years, amateur astronomers and telescope makers thought it essential that glass for telescope primary mirrors be at least one-sixth as thick as its diameter

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Astronomy Options | Astronomy, Mirror Making, Telescopes ,

Astronomy Options | Astronomy, Mirror Making, Telescopes ,

Currently manufacturing a 16″ diameter 1″ thick plate glass f388 Newtonian telescope mirror Doing this with my new fixed post grinding machine built this summer Work is progressing well, and very efficient Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum ,

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Telescope Making Links - Designs and Techniques | STAR ,

Telescope Making Links - Designs and Techniques | STAR ,

Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making ,mirror grinding and testing 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 mirror by thermal ,

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Buy Telescope Mirrors - Jim's Mobile

Buy Telescope Mirrors - Jim's Mobile

Jim's Mobile, Inc (JMI Telescopes) is a world renowned manufacturer of astronomical telescopes and aftermarket accessories for the amateur and professional astronomer We manufacture telescopes and accessories such as telescope wheels, carrying cases, guiding computers, focusers, motors and motor controls and much more

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Want To Make A Giant Telescope Mirror? Here's How : NPR

Want To Make A Giant Telescope Mirror? Here's How : NPR

Jan 26, 2012· Astronomers want increasingly large telescopes to peer into the depths of space To build a solid telescope mirror nearly 30 feet across, you need ,

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Telescope Making Supplies

Telescope Making Supplies

Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective Different techniques are ,

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What are the best sources for mirror blanks? - ATM, Optics ,

What are the best sources for mirror blanks? - ATM, Optics ,

Jun 12, 2016· What are the best sources for mirror blanks? - posted in ATM, Optics and DIY Forum: Ever since I found Stellafanes mirror making page, Ive been itching to build my own telescope Im going to start with a 6-8in Newt (the classic beginning ATM project!) All I need now are the materials! I can find the yogurt containers pretty easily For the rest of it, I had to do a little searching

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Obsession Telescopes / Optics

Obsession Telescopes / Optics

A telescope mirror is designed to form a diffraction limited image of a point source Ideally, a certain percentage of the light in the image will fall within the diffraction disk diameter The Strehl ratio compares the mirror's actual performance in terms of its ability to ,

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Building a fixed post mirror grinding machine ,

Building a fixed post mirror grinding machine ,

Aug 19, 2019· A few years ago, I was thinking about hand grinding a mirror I watched a YouTube video of John Dobson hand grinding a mirror I don’t really remember how big it was, but it was big Maybe 14” Maybe larger John was no youngster in this video and even though he is a master, he sure put a hellova lot of labor into that mirror

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Rough Grinding The first milestone is putting a curve into the mirror face The curve's depth dictates the mirror's focal length The curve should be spherical Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding tool The curve is pre-generated for you

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Astro-Tel - Mirror grinding machine

Astro-Tel - Mirror grinding machine

MIRROR GRINDING MACHINE I made my first mirror grinding and polishing machine over thirty years ago It used the working principle of the machine illustrated at "A" Fig3, Page 163, "Amateur Telescope Making" Book 1 A bowl which rotated was fitted to the spindle I also built another machine of the same type

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Mel Bartels' Amateur Telescope Making

Mel Bartels' Amateur Telescope Making

The IAU named asteroid 17823 Bartels discovered 1998 by JMRoe in recognition for my contributions to amateur astronomy Making is the Key to Knowing A telescope mirror is arguably the most accurate surface made by human or machine Amazingly you can grind a mirror by hand and make a telescope with simple hand tools

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Grinding Machine for Large Telescope Mirrors

Grinding Machine for Large Telescope Mirrors

Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches [11m] in diameter By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on ,

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Telescope Mirror Grinding Machine | Products & Suppliers ,

Telescope Mirror Grinding Machine | Products & Suppliers ,

After experimenting with copper and tin alloys for the metal reflecting surface and developing his own steam-driven mirror grinding machine , this telescope was completed in 1839 Optomechanical tests and performance results of the SIRTF cryogenic optical system The flight secondary mirror of the telescope was machined , ground , and polished ,

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The Amateur Telescope Maker’s Page: A Grinding Rig ,

The Amateur Telescope Maker’s Page: A Grinding Rig ,

Mar 10, 2006· The Amateur Telescope Maker’s Page A Grinding Rig WALKING around a barrel is undoubtedly a tedious procedure, but on the other hand it is the simplest method of grinding and polishing a telescope mirror

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Mirror-o-matic

Mirror-o-matic

The Machines: Documentation: Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups (2000-2019) 307 Contact Dennis ,

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Telescope Mirrors - Orion Optics

Telescope Mirrors - Orion Optics

These mirrors or any telescope we may supply with these mirrors is not supplied with a full Zygo report Professional Professional Grade Optics primaries are produced from quality low expansion Suprax glass from Schott Germany 1/6 PV wavefront specification giving excellent images for any choice of subject

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GRINDING A TELESCOPE REFLECTOR WITH TOOL ,

GRINDING A TELESCOPE REFLECTOR WITH TOOL ,

Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable Small mirrors are generally ground and polished by rotating the tool, fastened to the turntable, and working the mirror blank by hand either in straight or in circular strokes over the tool In this case the overhang of the mirror ,

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Joy of Mirror Making: Polishing - BBAstroDesigns

Joy of Mirror Making: Polishing - BBAstroDesigns

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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Ritchey Mirror Grinding Machine | National Air and Space ,

Ritchey Mirror Grinding Machine | National Air and Space ,

George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope ,

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Making my own fixed post mirror grinding/polishing machine ,

Making my own fixed post mirror grinding/polishing machine ,

Oct 15, 2012· Page 1 of 2 - Making my own fixed post mirror grinding/polishing machine - posted in ATM, Optics and DIY Forum: Hey guys Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical?

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Making a homemade mirror grinding machine - ATM, Optics ,

Making a homemade mirror grinding machine - ATM, Optics ,

Mar 06, 2006· Making a homemade mirror grinding machine - posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder , any good info on this , i have a couple geared motors , low speed high torque One more question ,will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you , John

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Stellafane ATM: Grits, Polish & Pitch

Stellafane ATM: Grits, Polish & Pitch

Mel Bartels, a well respected west coast amateur, recommends on his Large, Thin Mirror Grinding web page starting with something between 30 and 60 grit, and then 120, 220, 500 (=25 micron) and finishing with 9 micron This is just a 5 grit sequence, as opposed to 8 to 10 for the more traditional sequences usually recommended for novic

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