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Mirror Grinding Machine G W Ritchey National Air and

Mirror Grinding Machine G W Ritchey National Air and

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.

Mirror grinding scope making

Mirror grinding scope making

A good starter size is the 150 mm 6 mirror. A 200mm 8 will also work. Most ATM books and websites recommend a Pyrex mirror blank, but in my opinion, annealed plate glass is better for this first, learn and practice mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical visible at ...

Mirror Grinding Machines an Astronomy Net ATM Forum Message

Mirror Grinding Machines an Astronomy Net ATM Forum Message

Howdy, I am going to be joining the ranks of retired people on 1231,and I am thinking about grinding another mirror. My first mirror is an 8 f5 that was done by hand. Since then I had to have surgery on my right shoulder,so I am wanting to build a grinding machine.

MirroroMatic

MirroroMatic

Before starting machine grinding and polishing, one should at least read several books on mirror making. Most of these books will be about hand work, but knowledge of calculating and measuring a sagitta , pouring pitch laps, building tile tools, and most importantly reading and interpreting the Ronchi and Foucault tests are extremely important.

The Right Machine and Process for MirrorFinish Carbide

The Right Machine and Process for MirrorFinish Carbide

Sep 30, 2015 The Right Machine and Process for Mirror-Finish Carbide, Ceramic. One presentation at United Grindings recent Universe event covered not only a machine of particular interest to toolmakers dealing with such materials, but also general information on what affects surface finish. Attendees gather around Studers S41 OD grinder, which ...

China Mirror Polishing Grinding Machine China Polishing

China Mirror Polishing Grinding Machine China Polishing

Last Login Date Jul 19, 2021 Business Type ManufacturerFactory, Trading Company Main Products Grinding Machine, Polishing Machine, Surface Grinder, Surface Grinding Machine, No. 4 Machine, Sb Machine, Hairline Machine Laminator Machine, Anti-Print Coating Machine, 8K Mirror Polishing Machine, Vibration Machine

Full Automatic Fast Glass Mirror Grinding Polishing Edging

Full Automatic Fast Glass Mirror Grinding Polishing Edging

Full Automatic Fast Glass Mirror Grinding Polishing Edging Cutting And Beveling Cnc Machine , Find Complete Details about Full Automatic Fast Glass Mirror Grinding Polishing Edging Cutting And Beveling Cnc Machine,Full Automatic Fast Glass Mirror Grinding Polishing Edging Cutting And Beveling Cnc Machine,220v Glass Edging Machine 3.6kw New Upgraded Version Straight Line

Build your own telescope part 1 The mirror Thomas

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. FD 4 well suited for deep sky observations. On the opposite, a shallow mirror e.g. FD 8 will be performing very well on planets and the moon.

Making mirrors for giant telescopes SPIE Digital Library

Making mirrors for giant telescopes SPIE Digital Library

The Starfire project provided much of the funding for a new polishing lab built in 1990 and equipped with an 8 m grinding and polishing machine and a 24 m test tower, which were first used to figure the 3.5 m mirrors. The Mirror Lab was not free to choose the focal ratios, so these mirrors were more conservative at f1.5 f1.75.

Astronomy Options Astronomy Mirror Making Telescopes

Astronomy Options Astronomy Mirror Making Telescopes

Typically, it is best to have the position of the lap overhang the mirror by 16 the diameter of the mirror. With my mirror being 16 inches and the lap being 12 inches in diameter, this equates to the lap overhanging the mirror by 2.66 inches. Most of my polishing was done with the lap overhanging the mirror by 2.00 inches.

mirror grinding machine for sale

mirror grinding machine for sale

Car Rear view mirror Grinding machine - China Glass Network... Machinery Co., Ltd. supply Car Rear view mirror Grinding machine product informationspecially designed ... New Product0 Buy100 Sell3020 Companies12. Read more

China Polishing Machine Polishing Machine Manufacturers

China Polishing Machine Polishing Machine Manufacturers

Super Mirror Polishing Grinding Machine for Staineless Steel. FOB Price US 50000.0-200000.0 Set Min. Order 1 Set. Mirror 8K Polishing Machine Mirror Polishing Machine is used to polish Sheet or Plates of Stainless Steel up to Highly Reflective Mirror Effect. The surface receives a uniform ...

Grinding Machine China Surface Grinding Machine Grinder

Grinding Machine China Surface Grinding Machine Grinder

High Speed Stainless Steel Mirror Polishing Grinding Machine Featured Product. FOB Price 50000 - 200000 Set Min. Order 1 Set . Mirror 8K Polishing Machine Mirror Polishing Machine is used to polish Sheet or Plates of Stainless Steel up to Highly Reflective Mirror Effect. The surface receives a ...

Mirror Grinding Machine 187 Leonardo Da Vincis Inventions

Mirror Grinding Machine 187 Leonardo Da Vincis Inventions

Leonardos Mirror Grinding Machine. The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it. This machine was most likely designed by Leonardo while he was either investigating the different ways that light reflected off ...

MirroroMatic mirror making machine ATM pages of

MirroroMatic mirror making machine ATM pages of

Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year 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 not something very beneficial for the hands of a musician.

Mirror Grinding Machine Products amp Suppliers

Mirror Grinding Machine Products amp Suppliers

orbital mirror polishing machine LPC 160 MIRROR is suitable also for grinding and surface preparation prior to mirror polishing. Machine is delivered complete with Inverter device for an optimal mirror finishing Browse Grinders and Grinding Machines Datasheets for JampS Machine, Inc.

SkyBadger Mirror Grinding Machine

SkyBadger Mirror Grinding Machine

The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit, rouge and pitch to manufacture a mirror. The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech ...

tut44 Making A Mirror Grinding Tool

tut44 Making A Mirror Grinding Tool

Typically, the primary mirror is made of glass. Pyrex is commonly used for the primary mirror because of its thermal stability, but for small mirrors, plate glass will work fine too. Telescope mirrors are relatively thick. The concave shaped face is made by repeatedly rubbing the primary glass blank over another blank called the tool.

Mirror grinding machine construction log James Crombie

Mirror grinding machine construction log James Crombie

suited to building a mirror grinder with. The machine contained a large speed reducer 47-1 ratio, a variable speed mechanism, motor mount and tachometer. the frame was too small to be able to fit the over-arm drive in so I left it. I started out copying all of the existing parts into my CAD program. I then sort of filled in the blanks. Cad ...

How I built an edge grinder for telescope mirror blanks

How I built an edge grinder for telescope mirror blanks

I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass should have a look at the MOM web site and plans. There are lots of good ideas there.

Fixed post mirror grinder advice DIY Astronomer

Fixed post mirror grinder advice DIY Astronomer

Nov 01, 2011 Basically there are two types of grindingpolishing 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

Moulding Knives Templates Molding Catalog by Mirror

Moulding Knives Templates Molding Catalog by Mirror

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CN103495916A Numerical control mirror grinding machine

CN103495916A Numerical control mirror grinding machine

Provided is a numerical control mirror grinding machine for grinding non-spherical optical mirror faces. A grinding head rotating shaft is arranged on a grinding head seat, a grinding head is arranged on the rotating shaft, the grinding head is driven by a grinding head rotating motor to rotate, the grinding head seat is arranged on a polar radius translation bench, the grinding head seat is ...

China Mirror Grinding Machine China Mirror Grinding

China Mirror Grinding Machine China Mirror Grinding

Alibaba.com offers 5,413 mirror grinding machine products. About 14 of these are metal polishing machine, 5 are bearing balls, and 4 are glass processing machinery. A wide variety of mirror grinding machine options are available to you, There are 5,413 mirror grinding machine suppliers, mainly located in Asia.

Rough Grinding a 20 Quartz Telescope Mirror on the Fixed

Rough Grinding a 20 Quartz Telescope Mirror on the Fixed

Gordon Waite sets up his fixed-post mirror grinding machine to begin rough grinding on an 11 f4.3 telescope mirror. He uses a grinding tool made from dental plaster and steel pieces to speed up grinding. Gordon shows the setup for spin grinding at high speeds and with added weights to get the job done as fast as possible.

Mirror Polishing Machine Manufacturer Supplier Exporter

Mirror Polishing Machine Manufacturer Supplier Exporter

Our Mirror Polishing Machine is worn to polish sheet or plates of stainless steel upto High Reflective Mirror Effect.Further the surface receives a uniform and directionless gloss with an outstanding luminosity. The polishing component is evenly distributed to the flat surface of the sheets or plates, which will be polished with Rotating Buffing Felts until the surface reaches a highly ...

Industrial handheld grinding and surface finishing

Industrial handheld grinding and surface finishing

Apr 13, 2010 Mirror Finishing Stainless, Nonferrous Metals With a Linear Grinder. Using a hand-held linear grinding machine is an easy, cost-effective way to polish large and small pieces to a mirror finish. First, pregrind and prepolish with the pyramid-shaped abrasive grit mentioned previously.

Electric Manicure Set Nail Drill File

Electric Manicure Set Nail Drill File

Electric Nail Drill Nails Art File Electric Manicure Set, Portable Nail Buffer Fingernail Grinder Kit Multi-function Natural Toe Nail Polisher Grinding Burnishing Machine for

telescope mirror grinding machines MC World

telescope mirror grinding machines MC World

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 1.1m in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work.

mini bench polisher

mini bench polisher

Mini Table Rock Saw Gem Polishing Grinding Machine, DIY Jewelry Lapidary Equipment, Bench Rock Grinder Polisher, Woodworking Carving Lathe Machine 0-10000rmin with Flexible Shaft 110V 350W TM-2. 3.0 out of 5 stars 3. 149.99 149. 99. Get it as soon as Wed, Sep 1. FREE Shipping by Amazon.

Mirror Grinding Machine 187 Leonardo Da Vincis Inventions

Mirror Grinding Machine 187 Leonardo Da Vincis Inventions

The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it. This machine was most likely designed by Leonardo while he was either investigating the different ways that light reflected off things or maybe he was planning on inventing a telescope or some other optical device.

MirroroMatic mirror making machine ATM pages of

MirroroMatic mirror making machine ATM pages of

The M-o-M is a marvellous machine due to its simplicity and yet refined design. It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch with slight modifications and can be used for all three steps necessary in producing a mirror. That is you can use it to grind, polish and figure your optics.

SkyBadger Mirror Grinding Machine

SkyBadger Mirror Grinding Machine

The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit, rouge and pitch to manufacture a mirror. The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech link . While the bulk of the components were in place it wasnt

Parabolic Mirror Grinding Machines Products amp Suppliers

Parabolic Mirror Grinding Machines Products amp Suppliers

According to directions a mirror so marked by axis and tilt, the sub- parabolic mirror is plastered on the grinding machine spindle.

Making a homemade mirror grinding machine ATM Optics

Making a homemade mirror grinding machine ATM Optics

Mar 06, 2006 The larger one is for grinding and polishing mirrors and is also used at higher speeds to centrifugally cast resin mirrors, an experiment I am playing with in my spare sic time. The smaller mirror is used for power wrapping epoxy impregnated fiberglass around mandrels for making tubes and cylindrical components for open trusses.