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Making a homemade mirror grinding machine

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...

Ritchey Mirror Grinding Machine

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 initially intended for the Yerkes Observatory...

My Zeiss grinding and polishing machine

Dec 06, 2009· The movie shows the Zeiss machine in all its phases, putting together notes, drawings and films that make up the story: from initial idea to the project, manufacturing of machine parts to the ....

GordonWaite

Using the Fixed-Post Grinding Machine for Rough Grinding an 11-inch Telescope Mirror - Duration: 5 minutes, 53 seconds...

Mirror Grinding Machine Setup

Jun 20, 2009· Hybrid-Hindle grinding/polishing machine for telescope mirrors and lens...

Fixed Post Mirror Grinding Table

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...

Document sans nom

As often in sciences and technology, Leonardo da Vinci was a pioneer, creating machines for the production of optical devic Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of bronze...

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 ,...

TELESCOPE MAKING

The Ritchey-Chretien (RC)Cassegrain design of telescope is the one invariably chosen for most of the World's professional telescopes - including the Hubble Space Telescope On axis it is perfect as the ray trace shows Off axis it is corrected for coma - the bain of amateur reflecting telescopes but it does suffer from some astigmatism...

Mirror Grinding Machine

Sep 29, 2010· Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror , but something that will also do a 6 or 8 mirror I have plans for the Mir O Matic but would like to do something a bit more modern I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list ,...

Fixed post mirror grinder advice

Nov 01, 2011· I'm sure you'll do fine with the grinding Steve, I was just a little taken aback by the rotation speed, but as long as the mirror has three robust cleats in place to hold it, it shoudn't fly off Many years ago I made a machine to grind large blanks,but the largest I did was a 16" f45...

Amateur Telescope Making Main Page

Hundreds of links to all aspects of telescope making on the internet ATM Material Suppliers US suppliers of Mirror Blanks, Grinding & Polishing Supplies, and Telescope Making Suppli Astronomy Clubs Many can offer help with your project Astronomy Conventions & Star Parties...

Grinding a 25

Dec 16, 2014· Gordon started with a 2" thick telescope mirror that weighed about 70 pounds By thinning the blank, he's lightened the mirror by about 20 pounds! , Grinding a 25-Inch F3 Telescope Mirror ....

Counter Weights & Balance Systems

We are your source for astronomy telescopes, eyepieces, astroimaging cameras and imaging accesories, telescope mounts, & more!...

How to Make Your Own Telescope Mirror

How to Make Your Own Telescope Mirror: [Fig 1] This is a large piece of glass a woman off Craigslist gave me It was 40"x40" and 075" thick Its what I decided to use to make the mirror Cutting it into smaller sections can be difficult but scoring it with a glass cutter and tapping t....

Telescope Grinding

Jun 06, 2009· Very old mirror/lens grinding machine This machine can grind and polish using different stroke patterns, ie w-stroke, short strokes, long strokes, etc Currently this machine can only operate a ....

Making a Mirror grinding & Polishing machine

Mar 16, 2015· Page 1 of 5 - Making a Mirror grinding & Polishing machine - posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original M-O-M design I made the pulley arrangement such a way that, both the ,...

Telescope Mirror Kits

Want to build your own telescope? Start with one of our telescope mirror kits Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifications...

Amateur telescope making

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professionalAmateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of astronomy...

Counter Weights & Balance Systems

00SKU: CEL-CEQ6-B03-24Add To CartQuick viewiOptron - 2kg Counterweight for iEQ30/MT/ZEQ$35 00SKU: IOP-3006-05Add To CartQuick viewiOptron - 1kg counterweight for SmartEQ$25 00SKU: IOP-3106-02Add To CartQuick viewiOptron - 2kg Counterweight EQ2$19 00SKU: IOP-8446Add To CartQuick viewLosmandy - Tube Weight System Long Shaft - 2 5lb $59 00SKU: LOS-DVWSAdd To ,...

Jan van Gastel: Making a mirror

I did a google search and arrived soon on Dennis Rech's 'Mirror-O-Matic' pag Just what I was looking for! Once I had seen a grinding machine, working at 380 Volts and weighting about 300 kilo's, but this one looked quite different: lightweight, very compact and working on normal volts...

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