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Excerpt from VHS video made at the Lick Observatory optical shops in Santa Cruz, CA before the object was acquired by the Smithsonian. Circa 1985.

I started this thread to record my building progress of a new mirror grinding and polishing machine. This machine will be capable of handling mirror sizes up to 22". I have decided that 22" is the absolute maximum otherwise becomes too cumbersome to move around. I have won 2 x 1/3 horse power single phase electric motors on eBay, at $45 each.

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 ...

this video of my our first unfinished video of mirror grinding machine,made with easy available junk and bycycle parts and with help of local febrication shop

Mirror Grinding Machine telpe mirror grinding machine based on Dennis Rech's M-o-M 20. ... To use these parts, I had to modify some of Dennis' plans. How I did it is described below . ... The mirror in these photos is a 10" Corning molded Pyrex blank. I hosed it off ...

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).

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 …

Tong Yi supplies high quality HR-300AND model horizontal rotary surface grinder, its surface finishing to mirror class. As the outstanding manufacturer of precision grinding machine, Tong Yi is always the best cooperation partner for customers.

Non-Standard Machine will be made upon Request. Application: The reflectivity of Super Mirror creates light and space and is easily fabricate, it has reflectivity of Glass Mirror, but unlike Glass Mirror, It will not cause the so-called Light Pollution, That is why it is widely used in Modern Society.

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" f4.5.

Mirror-o-Matic mirror making machine - The shop is closed ... your attention to the M-o-M Yahoo! group that offers extensive support for construction and operating that type of mirror grinding machine. ...

In this paper, the mirror surface grinding of ceramics, such as Si 3 N 4 and Al 2 O 3 TiC, was realized with average roughness less than 10 nanometers. For the grinding operation, a three-axis CNC grinding machine tool was designed and manufactured.

Stephen, I have not run a surface grinder before. I'm about 3 hours from you. It would be well within budget, but I don't want to put a lot of money into it as it will be a low use machine for me. I'm not sure I'd even repaint it after cleaning it up (But I would likely fully disassemble and check it out).

Mirror internal surface grinding is practicable on ordinary grinding machines using CIB–CBN wheels with electrolytic interval dressing (ELID II). 3. ELID III grinding with MRB–CBN wheels can be carried out, and mirror finishes can be achieved using a standard machine tool, when appropriate grinding parameters and electrical parameters are ...

Grinding On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) and 9 micron aluminium oxyde. The bent lines on the mirror are the effect of the tool turning - with respect to the mirror - faster at the central part of the mirror as compared to the edge zones.

ADV-103 round pipes polishing grinding machine: Application: Metal round tube grinding and polishing: Abrasive belt size: 2000*150 mm: Abrasive belt speed: 0-30 m/s (speed controllable) Available tube diameter: 20-500 mm(or customizable) Feeding speed : 0-8 m/min: Available tube length < 6000 mm: Buffing wheel size : 300*50*32 mm: Machine ...

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. It is constructed primarily of 3/4 inch plywood and has few close tolerances. 4.

Me and my pal Marc have a M-o-M each. It can handle mirrors up to 20". One is now loaded with a 20" mirror. It'll be a f/4.5. To feed the carbo we work with peristaltic pumps. Fully automated. When the container runs out of slurry the M-o-M stops. Containers completely filled with carbo the M-o-M will run for about 1.5 hours.

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.

Finally, I would like to present a special type of tool that I use for curve generating on the M-o-M grinding machine: The tool is used with diamond pellets instead of tiles for curve generating or "hogging" with the M-o-M grinding machine. Diamond pellets are available through different sources. I buy mine from Gator diamonds.

China Fonda Supplies Single/Flat Polishers, Surface Grinding Machines for Ultra High Mirror Effect, Find details about China Surface Lap Machine, Surface Lapping from Fonda Supplies Single/Flat Polishers, Surface Grinding Machines for Ultra High Mirror Effect - Shenzhen Ponda Grinding Technology Co.,Ltd.

Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16", 70% of 12.5" ends up at 8 3/4". Looking back at my notes I used the …

arm grinding machine - metalbeach. arm grinding machine_Mirror Grinding Machinetelpe mirror grinding machine based on Dennis Rech's M-o-M 20Industrial Cutting Blades & Machine Knives Precision,Superior Quality Industrial Machine Knives and Pr...

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 ...

Machinery Features; GRINDING MACHINE TYPE. S Cylindrical Roll GrinderMax.swing over table Ø400Max.distance between 1.5M~4M; M Cylindrical Roll GrinderMax.swing over table Ø600Max.distance between 3M~6M; L Cylindrical Roll GrinderMax.swing over table Ø850~Ø1000Max.distance between 3M~6M; H Cylindrical Roll GrinderMax.swing over table …

Mirror cells. Mirror Cell; Mirror Cells for Amateur Telpe Makers; A Simple Double-Plate Mirror Cell for Your Reflector; Mirror Cells and more...: Mirror cells - Frequently Asked Questions; Mirror grinding machines. Dennis Rech's M-o-M Website; Tom Stoke's M-o-M site; Laurie Hall's MIRROR GRINDING MACHINE. M-o-M Yahoo! group; Mirror making

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.

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.

8k mirror grinding machine for ss stainless steel sheet plate coil Jiangsu Be Alloy Co., Ltd. 1 Ton (Min. Order) 10. Packing: In Bulk, Container or as your requirement. Transportation: automobile manufacture, ship manufacture, container, tricycle, tower crane. Delivery time : If we have stocks for your demanded size, we can deliver within 3 days.

I assume you are talking about a telpe mirror. I have read a lot and ground one small mirror some years ago but did it all by hand. If I remember properly, some of the features you want in a grinding machine are the ability to change the stroke's length as well as the path it takes across the surface (radial, cordial).

Starting with the original M-o-M 20 dimension, I just needed to make sure the pulleys could be lined up and have clearance for the pulleys and belts. Of course you also have to keep in mind that the powerhead is going to slide around when the pulleys and belts are changed. In the end, I need to make the height 15-1/2 inches.

telpe mirror grinding machines – Grinding Mill China. telpe mirror grinding machine - crusher export Mirror Grinding Machine. telpe mirror grinding machine based on Dennis Rech's M-o-M 20 My Mirror Grinding Machine For a long time I've wanted to build a machine .get price