Mirror grinding Hacker News. MIROR is an innovative and ambitious joint doctoral training programme funded by Marie Skłodowska-Curie Actions dedicated to Methods in Research on Research MIROR in the field of clinical research Research on Research is an emerging new scientific discipline that aims to reduce waste in research and increase ...

mirror grinding machine design. mirror grinding machine design Mirror Grinding Machine - ATM, Optics and DIY Forum,- mirror grinding machine design,This image shows the 3D model of the overarm assembly I added to my small spin-post grinding machine (I'm building a bigger one now based on the same basic overarm design) In the one shown, the overarm is,..

Sep 26, 2006· 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.

Fine grinding: I change from my rough grinding area to my fine grinding and polishing area after 220, not before. #220 is still gritty stuff. The "W" stroke: This is a casual way of describing any stroke that goes forward and backward while progressing left to right or right to left on the mirror.

In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dr. View Details Send Enquiry mirror grinding lounge. Mirror Mirror Hair Lounge, Arakoon, New South Wales. 488 likes.

Jan 14, 2015· Normal Topic; Hot Topic (More than 20 replies) Very Hot Topic (More than 25 replies)

Oct 03, 2006· hi my mirror had the curve pre generated and i had a tool that was close to the right shape i have used pads before but didnot this time i was using a 12 in tool for grinding and did not wont to polish with it because i wonted to use a bigger lap than 12 in . the mirror i did before i used a 12 in to polish /mirror on top and the edge polished out slow and was over corected . the over sized ...

Mar 10, 2017· The center of the mirror is the most likely to be contacted by any motion, so it is abraded more frequently and becomes the deepest point, while the edges are worn less. The distribution between "less" and "more" is spherical. I can at least understand the process of grinding or lapping a surface flat. Here are a couple examples:

May 12, 2017· Mirror Grinding Help - posted in ATM, Optics and DIY Forum: I know that someone on here talked about the optimal amount of grit to use but I am more of …

After fine grinding is complete, the mirror must be polished. It is during polishing that you "figure" the mirror by using a different polishing stroke to change the mirror's spherical polished shape into a parabolic polished shape . See a related tutorial nearby

Jun 30, 2019· Grinding Media Balls News and Updates from The Economictimes.com. Grinding Media Balls News and Updates from The Economictimes.com. Benchmarks . Nifty 11,194.15-21.3. NSE Gainer-Large Cap . RIL (PP) 1,284.05 104.2.

Telescope Mirror Making: Part Rough Grinding This is part 2 of my video series documenting grinding and polishing a inch telescope mirror. I'm using a spin or fixed post grinding machine. This video shows a few initial stages of making a primary mirror for a telescope. After hogging the mirror blank to depth, the rough grinding stage begins.

Aug 06, 2020· Mumbaikars witnessed extremely heavy rainfall accompanied by strong winds, which brought the city to a grinding halt and left multiple locations waterlogged. It received the highest rainfall of ...

Mirror Grinding Method And Glass Lens Olympus Optical. Jun 26 2001 What is claimed is 1 A mirror surface grinding method for grinding an optical glass material into a desired shape and polishing a surface of the optical glass material into a mirror surface using different faces of a grinding stone the grinding stone being formed by attaching grinding particles thereto with a conductive bonding ...

Heavy rains in Mumbai have wreaked havoc, the massive rainfall broke the 46-year long record. It is reported that a tree had fallen on the ground near the Peddar road and various other cases of landslides and waterlogging have been reported in the city. It is also reported that the wall of the hanging garden has collapsed and the road has caved in the area. The traffic has come to a grinding ...

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 ...

Aug 19, 2019· A few years ago, I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. I don't really remember how big it was, but it was big. Maybe 14". Maybe larger. John was no youngster in this video and even though he is a master, he sure put a hellova lot of labor into that mirror.

Rock Grinding Machine Diy. Making my own fixed post mirror grindingpolishing machine Oct 15 2012 Page 1 of 2 Making my own fixed post mirror grindingpolishing machine posted in ATM Optics and DIY Forum Hey guys Im thinking of making my own fixed post mirror …

1" Mirror Grinding Bit by Gryphon (Gryphon 1MS) The selection of bits you need depends on the type of work you do. Grinder Bits (Heads) are made in a variety of sizes and shapes for specific applications.

High tide touching 4.41 meters and cyclone-like winds combine with season's heaviest rain to pummel Mumbai. Colaba recorded 229.6 mm and Santacruz 65.8 mm of rain in just nine hours.

Numerous mirror grinding items: 6in. pitch lap, burgundy pitch, aluminum oxide, black optical rouge, grits #80,320,220,500, and 120.

Mirror grinding Hacker News Mar 10, 2017· The center of the mirror is the most likely to be contacted by any motion, so it is abraded more frequently and becomes the …

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.

Telescope Mirror Grinding Machine For Sale. Mar 16, 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.

From rough and finish double-layer grinding to single-layer grinding, this newly developed wheel delivers mirror finishing that was previously impossible with standard wheels. A stable finishing surface roughness can be obtained.

The curve is ground into the mirror face using a grinding tool. The curve is pre-generated for you. The curve is created by slumping the blank in a kiln over a mold. Here are 42 inch [107cm] and 30 inch [762cm] mirrors slumped and annealed to F2.8 ready for fine grinding.

Any or all of the "mirror stuff" is yours for the postage. See photo 1. Three 6.5" by .75" pyrex blanks. one chipped on one side 2. One 6.75" by 1" blank (very white, maybe quartz but don't know) 3. One 6"mirror kit with plate glass tool, #80 abrasive, pitch and CeO2 polishing powder) 4. A 6" f/2 spherical mirror …

Enables excellent mirror surface machining through grinding. Has a high active grain count, resulting in good grinding performance and maintaining consistent surface-finishing smoothness. The cutting depth of each individual grain particle is shallow, making it unlikely to produce scratches and reducing burrs to an extreme minimum.

I then proceeded to grind the mirror starting with 120 grit and ending with 5 micron grit. A table saw covered with layers of newspaper about 1/2 inch thick (to support the mirror and tool) was used as the grinding stand. A "wet" began by spraying the disks with water and smearing a small amount of grit over the tool (or mirror) with my fingers ...

The use of ELID mirror grinding technology for precision machining of steel-bonded cemented carbides makes it easy to obtain low-roughness mirrors. I. The basic principle of ELID grinding technology On-line electrolytic dressing mirror grinding is a new ultra-precision machining technology developed in Japan in …