telespe mirror grinding machine - Stone Crushing Equipment

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telespe mirror grinding machine - Grinding Mills Category

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telespe mirror grinding machine Description

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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Panasonic HDC-SD60 Telescope mirror grinding machine

10.8.2015· Panasonic HDC-SD60 Telescope mirror grinding machine. Report. Browse more videos. Playing next. 4:29. Homemade polishing machine,Grinding 10" pyrex telescope mirror.

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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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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

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Making a Mirror grinding & Polishing machine -

16.03.2015· 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 turn table & eccentric spins at 50 RPM fixed. I wont go for making mirror bigger that 10.5 (or max 12).

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Elgin Mirror Grinding Machine - Mauro Bergamasco

Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. Mirror Grinding Machine My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it.

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Joy of Mirror Making: Rough Grinding -

Because the mirror's focal length is large in relation to the mirror's diameter, in other words, the focal ratio is large, the difference between sphere and parabola is very little: a few millionths of an inch in the mirror's surface for a typical amateur telescope. We grind and polish to a sphere, then figure to a parabola. We test at the sphere's focus (the distance being the radius of

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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.

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Telescope Making Supplies - willbell

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 needed. While there is still considerable discussion on the subject, it appears that

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Stellafane ATM:Mirror Making Myths

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 against with an abrasive grit and water slurry. You can do this on a wet towel on your kitchen counter, on a board with a few cleats screwed to in on your lap, or the traditional way on a barrel or pedestal. You need no

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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" Fig.3, 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. Also a Hindle type machine for a southern firm to grind and polish 12.5" mirrors

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Making a homemade mirror grinding machine - ATM, Optics

6.3.2006· 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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Telespe Grinding Machine Optical Instruments - MC World.INC

Our grinding mills include VM Vertical grinding mill, MTW European grinding mill, T130X Super fine grinding mill, HGM Micro powder grinding mill, TGM Trapezium grinding mill, Hammer mill and Ball mill, which can be used for Processing Limestone, Telespe Grinding Machine Optical Instruments.

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Telescope Mirror Grinding Machine | Products & Suppliers

Find Telescope Mirror Grinding Machine related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Telescope Mirror Grinding Machine information.

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Amateur Telescope Making Main Page - Stellafane

Much is also unchanged - mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of knowledge and the insurance of quality. Telescope making is at the heart of the Springfield Telescope Makers - after all it is two thirds

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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 initially intended for the Yerkes Observatory.

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Mirror Grinding - Diamond Curve Generating Machine - YouTube

This is my father's garage where he is currently working on his telescope hobby. The Diamond curve generating machine in this v

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grinding / polishing machine for telescope mirrors

Mechanical assembly is complete. The machine could start grinding now. I still need to build the electronics, and then there's painting and finishing.

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Telescope Mirror Grinding Machine | Products & Suppliers

Find Telescope Mirror Grinding Machine related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Telescope Mirror Grinding Machine information.

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mirror grinding kit grind and polish telescope

mirror grinding kit grind and polish telescope mirror at home mirror blank grinding tool grinding powders ceruim oxide optical polish. View Basket (0) £0.00 ex VAT View Quote (0) Register Login. Telephone: +44 (0) 1268 728077 | Fax: +44 (0) 1268 590445. Email: [email protected] Home ; Optical Components . Germanium Windows Anti-Reflection Coated. Anti-Reflection Coated

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telescope mirror grinding machine for sale

telescope mirror grinding machine for sale. 2019-1-22rough grinding a telescope mirrorhe joy of mirror making mel bartels rough grinding also theres the difficulty of creating a spherical curve in the mirror facehe grinding wheel on a boom approach is difficult because it is hard to anchor the mirror and the booms pivot so that they do not move in relation to each otherlass tools About our

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Rough Grinding a 20" Quartz Telescope Mirror on the Fixed

7.3.2010· This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasiv

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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. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.

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Ritchey Mirror Grinding Machine | National Air

The machine was used for making numerous mirrors over the next four decades and extensively modified over that period. It embodies the "sub-diameter tool" design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by programmable rotating arms. It was donated to NASM by the Lick Observatory in 1993 and shipped in March of that year.

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