Mirror-o-Matic 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.

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

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. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. Most of them came from industrial junk yards.

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 …

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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on ...

Mirror - CNC single head polishing machine - YouTube

Nov 27, 2015· Prussiani Engineering presents Mirror: CNC polishing machine for marble & granite slabs with three interpolated axes and automatic tool change. Perfect for calibrating, polishing, sanding ...

Mirror-o-matic.com

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

www.jeffbaldwin.org

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. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.

Telescope Mirror Making Machine - YouTube

May 09, 2013· A sample --and quite simple-- video of Vitastra's mirror making machine. This is a full-custom design first inspired on the polishing machines designed by Karl Zeiss, but then cross-inspired with ...

Floor & Concrete Industrial Grinders for sale | eBay

Buying a used grinder on eBay. When purchasing a floor grinder, you may want to consider a preowned machine. This enables you to get the equipment you want at a lower price point. Select a used grinder if you are on a budget, require more than one grinder, or are looking for an older industrial grinder model.

Concrete Grinders for sale | eBay

Make Offer - 24" Concrete Grinder Machine, 220V Single Phase Power, 110V HEPA Filter Vacuum. 26" Concrete and Polishing Machine, 220V Single Phase Power. $6,499.00

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.

Stellafane ATM Main Page

A lot has changed since Russell Porter wrote those words - today the "average workman" can afford to buy an already made telescope and Dobsonian mountings are very popular. 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.

Telescope Mirror Kits - Firsthand Discovery

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.

Types of mirror grinding machines - ATM, Optics and DIY ...

Nov 16, 2018· Types of mirror grinding machines - posted in ATM, Optics and DIY Forum: Hi to all, I am planning to make a mirror grinding and polishing machine but i have limited knowledge about these machines. Because of this i have some questions to someone who has some experience with those machines; - Some machines have fixed supportes and some of them have a prestaltic moving arm, …

Telescope Making Supplies - willbell.com

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 …

tut44 Making A Mirror Grinding Tool

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own telescope.” Most amateur astronomers believe, “I can buy a better telescope than I can build.” Neither is actually correct. For many decades now, amateur …

Strasbaugh polishing and grinding machine | Astromart

Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy.

Grinding Machines - BENTELER Glass Processing Equipment

Glass grinding machine The BENTELER flat glass grinding machines convince due to their optimal grinding results based on precision, speed and process reliability. All machine types satisfy with short set-up times because of rapid width and automatic glass thickness adjustment.

Parabolic Mirror Grinding Machines | Products & Suppliers ...

Products/Services for Parabolic Mirror Grinding Machines. Grinders and Grinding Machines - (970 companies) Grinders and grinding machines use an abrasive that is bonded to a wheel, belt or disc to remove material and improve surface finish. Devices can be pneumatically driven or powered by a combustion engine or electric motor.

Buy mirror blanks for telescope making

12 Inch Mirror Blanks, 3/4" Thick: $69 + S&H (16); Shipping prices are to the USA - not shipping outside the US, sorry Combined shipping is possible - Write For a complete mirror making KIT, with all abrasives, polishing compounds, pitch, and grinding tool included, please see our Buy Telescope Mirror …

Ritchey Mirror Grinding Machine | National Air and Space ...

The grinding machine was moved to Pasadena in 1904 to complete work on the 60-inch mirror. At some later time the apparatus was transferred to the California Institute of Technology. The Institute then sold the machine to the Lick Observatory of the University of California in 1949.

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 ...

Stellafane ATM:Mirror Making Myths

With the Mirror on top, the tool on the bottom, and coarse grit in between, we start grinding with the mirror overhanging the tool. We rub the center of mirror against the edge of the tool, and this wears a depression in the center of the mirror (the edge of the tool wears down also, so that the tool becomes convex (a "hill" in the center) and ...

Used Glass Polishing Machine for sale. Bavelloni equipment ...

2006 SCHIATTI ANGELO FPS50 M3 EDGE GRINDER (VERTICAL) [GM-010231] Manufacturer: Schiatti Angelo SCHIATTI ANGELO FPS50 M3 Straight Edge Grinder / Polisher (10) Wheel (Spindles) Straight grinding machine for the processing of flat edge and arris and cerium oxide polishing on the edge and the front arris. Espe...

Grinding and Buffing Machines - Machinery - Grainger ...

Grinding and Buffing Machines. 107 products found. Shop our entire inventory of grinding machines and buffing machines including surface grinders, combination belt and bench grinders, polishing and lapping machines and table mount wheel dressers. Bench grinders help smooth rough surfaces and hone sharp edges. Bench buffers polish a variety of ...

Joy of Mirror Making: Polishing - BBAstroDesigns

Then after grinding the mirror face with 220 grit, cleanup thoroughly and flash polish by polishing for 15 minutes. Don't go onto finer grits until the astigmatism is gone. The second is to identify the saddle orientation, and using a sub-diameter lap, locally polish the ends of the saddle.

Mirror-o-matic.com

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

Parabolic Mirror Grinding Machines | Products & Suppliers ...

Products/Services for Parabolic Mirror Grinding Machines. Grinders and Grinding Machines - (970 companies) Grinders and grinding machines use an abrasive that is bonded to a wheel, belt or disc to remove material and improve surface finish. Devices can be pneumatically driven or powered by a combustion engine or electric motor.

Grinder Machine - Best Buy

Top comment "Works well....Works great...I purchased the Conical Burr Grinder at an attempt to switch up my tried but true morning ritual (Espresso Machine with built in grinder) and this has been a great alternative to my usual espresso go to....Having said that, I do all my prep near the sink, and then just sweep the scatter into the sink and I'm done; not a huge hassle, but still Overall I ...

Mirror Grinding Machine » Leonardo Da Vinci's Inventions

Mirror Grinding Machine Leonardo’s Mirror Grinding Machine. leonardo miror 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 ...

Telescope Mirror Kits - Firsthand Discovery

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.

Grinding Machine: Types, Parts, Working & Operations (With ...

Grinding Machine Definition: A grinding machine or grinder is an industrial power tool that uses an abrasive wheel for cutting or removing the m aterial.. It is a process of metal cutting by using a rotating abrasive wheel from the surface of the workpiece.. Generally, the grinding is finishing operation to show the high surface quality, accuracy of the shape and dimension.

The Right Machine and Process for Mirror-Finish Carbide ...

The Right Machine and Process for Mirror-Finish Carbide, Ceramic Originally titled 'The Right Machine and the Right Process for Mirror-Finish Carbide, Ceramic' One presentation at United Grinding’s recent “Universe” event covered not only a machine of particular interest to toolmakers dealing with such materials, but also general ...

Strasbaugh polishing and grinding machine | Astromart

Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy.

Newport Glass Works, LTD. Grinding, Polishing and Figuring ...

I can buy it easily and get all the starting work done on diamond-grinding machines - something most of you don't have access to. I've also figured a half-dozen plate mirrors larger than 16" and wouldn't trade the experience for a million dollars - not to mention the thousands of hours of excellent observing these mirrors have given in return.

Stellafane ATM: Rough Grinding

For rough grinding a 6" mirror, about 1/2 teaspoon of grit is used per wet. With finer grits, proportionately less grit is used per wet. Grits in the25 micron range are often premixed with water to form a slurry, and water and grit are squirted onto the work together from a plastic squeeze bottle (not a …