Ronchi Matching Test - BBAstroDesigns

Dennis Rech's comments, inventor of the Mirror-O-Matic mirror grinding machine 'When someone asks me to look at their mirror, I have them send me the parameters of the mirror and then I use a Ronchi program to show them what the Ronchi pattern should look like. We then print out the pattern on my big printer at exact scale and tape it to the ...

Large Thin Mirror Making - BBAstroDesigns

In addition, a great deal of money will be saved: a finished 24" scope will set you back $7,000; grinding your own mirror and building the mount yourself will cost you $2,000. Amateurs have made mirrors up to 41" by hand. A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo.

Outstanding glass grind machine Offers - Alibaba

Specifications for Techwin Glass Belt Grinding Machine Model: TWSD1 Min. glass size: 600*600mm Working table size: 1000*600mm Power: 1.5KW Weight: 350kg Main features: Manual grinding, fast and convenient, Push and pull up tight, easy to replace belt, Suitable to doors and windows of glass that before toughened; Bigger working table can be customized.

telescope mirror grinding / polishing machine with ...

The machine is shown grinding a 300 mm mirror.How to build a tachometer:

Mirror Grinding Machine » Leonardo Da Vinci's 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.

Mirror Grinding Machine | Products & 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 …

Everett Steel Co. | Metals and Metalworking Search

BECOME A PART OF THE TREND PUBLISHING METALS GROUP. Equipment Materials Consumables. Services About Advertising Opportunities

CNC Glass Machining | Edmund Optics

Advantages of CNC Glass Machining. CNC machining offers numerous advantages over conventional grinding and polishing for fabricating optical components including: 24 Hour Operation. CNC machines have the ability to work 24 hours a day, 365 days a year, only needing to be switched off for maintenance or repair. Complex Component Geometries.

Mirror Grinding Machine | Hackaday

Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.

Mirror Grinding Machine - YouTube

this is my nearly completed fixed post mirror grinder. still some work to do left, but this is a test for functionality. there's also a short vid on my dig...

Motor and Gearbox for a Computerized Mirror Grinding Machine

Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing ma...

Building a fixed post mirror grinding machine ...

Re: Building a fixed post mirror grinding machine. I I had a nice piece of 3/4" stainless dowel that was begging to be used. So I bought a cheap pillow block to provide the locator for the metal dowel, and then drilled the overarm to fit. These pillow blocks are $8 and come complete with a locking collar - great deal.

Hogi Brand Factory Manufacturer Automatic Flat Metal Belt ...

Hogi Brand Factory Manufacturer Automatic Flat Metal Belt Grinding Machine Mirror Polishing Machine To Rust And Debur, Find Complete Details about Hogi Brand Factory Manufacturer Automatic Flat Metal Belt Grinding Machine Mirror Polishing Machine To Rust And Debur,Automatic Metal Polishing Machine,Industrial Metal Polishing Machines,Belt Grinding …

Mirror Surface Machine Suppliers, all Quality Mirror ...

Mirror Surface Machine, Mirror Surface Machine Suppliers Directory - Find variety Mirror Surface Machine Suppliers, Manufacturers, Companies from around the World at surface grinding machine,flat surface labeling machine,solid surface machine, Tile Making Machinery

Leonardo Da Vinci's mirror making machines

One machine is designed for grinding concave mirrors of small focal length. The other machine, a much larger piece to implement, grinds mirrors of large focal lengths. Though Leonardo da Vinci creates sketches of mirror grinding, one crucial and logical question to ask is whether he used such mirrors in his artwork or drawing.

Mirror grinding machine-runout - ATM, Optics and DIY Forum ...

Page 1 of 2 - Mirror grinding machine-runout - posted in ATM, Optics and DIY Forum: I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK. If I put a dial indicator on …

Telescope Making Links - Designs and Techniques | STAR ...

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 predistortion. Optical Testing.

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 …

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

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 …

High Speed Stainless Steel Mirror Polishing /Grinding Machine

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 and directionless gloss with a magnificent brilliance. After Grinded in …

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 …

Robotic mirror grinding? - ATM, Optics and DIY Forum ...

For big aperture though, spinning a large mirror and moving a large polisher might be too much work. That is why the mirror lab spun caste their glass to avoid hogging, and then had a robot go around grinding and polishing the high spots. Or maybe they spun ground it. …

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.

M-o-M Free Preview - Mirror-o-matic

Mirror-o-Matic Mirror-o-Matic was designed to be a very low cost astronomical mirror grinding, polishing and figuring machine. Its attributes are: 1. It can be built for somewhere between $200 and $400. 2. It is constructed of hardware store items and it needs no machined parts. 3.

Mirror-o-matic

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

China Super Mirror Polishing /Grinding Machine for ...

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 and directionless gloss with a magnificent brilliance. After Grinded in …

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 ...

China Super Mirror Polishing /Grinding Machine for ...

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 and directionless gloss with a magnificent brilliance. After Grinded in Grinding Section, Sheets will feed into the polishing section.

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 machine construction log - James Crombie

Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading …

Mirror Grinding Machine » Leonardo Da Vinci's 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 ...

China Mirror Polishing Machine manufacturer, Polishing ...

Polishing Machine, Grinding Machine, Mirror Polishing Machine manufacturer / supplier in China, offering Fast Speed Ctl Cutting Line, High Speed Stainless Steel Etching Machine, Low Price Cut to Length Cutting Line and so on.

High Speed Stainless Steel Mirror Polishing /Grinding Machine

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 and directionless gloss with a magnificent brilliance. After Grinded in Grinding Section, Sheets will feed into the polishing section.