telescope grinding machine

How I built an edge grinder for telescope mirror blanks.

2013-2-26 · I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding operation will be messy, so it will need to be done outside.

Mirror grinding

2007-2-13 · 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 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 …

Mirror Grinding Machine

 · 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 …

Telescope Mirror Grinding Machine Price In Lithuania

How telescope is made . The total grinding process may take anywhere from one hour to eight hours The ground lenses are cleaned and moved to the polishing room 9 The polishing machine is similar to the grinding machine but the tool is made from pitch—a thick soft resinous substance derived from coal tar or wood tar Get Price

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 …

Chapter 5 Telescopes and Precision Observational …

2021-8-25 · Chapter 5 Telescopes and Precision Observational Astronomy The Micrometers of Hooke, Auzout and Wren Hooke and Auzout, who had argued over Hooke''s lens-grinding machine in 1665, began another disputation a couple of years later on the priority of the invention of the eyepiece micrometer.

Grinding Machine for Large Telescope Mirrors

Mirror grinding - Telescope making

Mirror Draper Mirror Grinding Machine

Mirror Grinding Machine. My Mirror Grinding Machine. For a long time Ive wanted to build a machine for grinding telescope mirrors. Dennis Rechs M-o-M designs finally inspired me to just get up and do it. Over the years, Id been collecting motors, gear boxes, pulleys, etc. Most of them came from industrial junk yards.

Astro-Tel

2001-4-12 · 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 …

Remembering the Assembly--and Repair--of the Hubble …

2020-1-13 · A grinding machine with a diamond-tipped cutting tool engraved the mirror''s concave configuration and whittled off an inch from each faceplate. Shaping and polishing involved a mechanical arm orbiting over the mirror''s surface while applying a small abrasive pad in precision strokes over coarse-grained material. ... Soon, the telescope was ...

Newport Glass Works, LTD. Grinding, Polishing and …

2014-7-21 · Grinding, Polishing and Figuring . Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 ... There are several ways to support the grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend.

CNC Optical Grinding Machines | OptiPro

PZX 5-Axis Prism Grinding Machine. The PZX prism grinding machine is the latest solution for companies looking to enhance their prism manufacturing capabilities. Machine prisms up to 6″ thick with a maximum diameter of 10″ for the longest diagonal.

Mirror Grinding Machine 2021

2021-9-11 · 100 inch telescope mirror on grinding machine at Mount Wilson Observatorys Pasadena laboratoryImage courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library San Marino California. Blog Show. 100inch telescope mirror on grinding machine Calisphere.

Astronomy Options | Astronomy, Mirror Making, …

2021-5-25 · Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient. Started project in …

Telescope Mirror Grinding Machine | Crusher Mills, Cone ...

Telescope mirror grinding machine Mirror making and optical testing … The images below show the completed grinding machine in it''s new garage in October 2001. GrindingPolishingMachine – LCAO. Telescope Making. Telescope Mirror Grinding and Polishing Machine. After I had made the 41-cm telescope mirror by hand I had decided that I needed a ...

Grinding Machine Miror

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 …

Astronomical Telescope Manufacturers

150750 astronomical telescope supplier. 150750 Astronomical Telescope from Shenzhen Cobor Tech Electronics Technology Co.,Ltd. Model 1-3709823. Price $0.88 Per Pieces. Minimum Order Quantity 50 Pieces. Delivery Time 6 - 10 Working Days. Shipping Port Shenzhen. Packaging Standard. Capacity 1200.

Discovering Mount Wilson Chapter 14: The 100-inch …

2021-9-14 · Everything was prepared for the arrival of the 9,000 pound slab of glass, including the building of the world''s largest grinding machine. However, upon arrival in December 1908, Hale and his team immediately deemed it useless, due to bubbles that had formed between the layers of …

Making a homemade mirror grinding machine

 · 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 …

Mirror Grinding Machine

2015-8-14 · 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, …

Grinding Machine for Large Telescope Mirrors

2021-6-23 · 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 …

Grind and Polish a Dobsonian/Newtonian Telescope Mirror ...

Just grinding the telescope mirror probably took 80-100 hours for me, but I was learning a lot and taking my time. ... You are right, with larger mirrors (above 8") it is handy to have a machine do all of the hogging out work - they are relatively simple to build if you have access to a small motor. It''s a lot of glass to remove on a larger ...

Fixed post mirror grinder advice

 · Basically there are two types of grinding/polishing machine. The ''traditional'' type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror and/or tool.

"KENTEH OPTICAL CO.,LTD.-Optical Components …

KENTEH OPTICAL CO.,LTD.-Optical Components、Filters(Blue Glass)、Beam Splitters、Windows、Substrates、Optical Coating、Aspherical Lenses、Reflection Mirror、Lenses & Spotlight lens、Prism、IR and UV Lens、Cutting machine、CNC GLASS CUTTING MACHINE、NC GLASS CUTTING MACHINE、CIJ Cutter for super-ratio irregular flar glass、Grinding Machine、Horizontal Cutting Machine …

Telescope Mirrors, Astronomical Mirrors, Reflector ...

2021-9-17 · Parabolic Astronomical Telescope Mirrors 1/12 Wave are polished and figured to yield high-level performance. Each mirror is aluminized and hard overcoated with a protective overcoat, ready for placement in the telescope tube. All mirror surfaces are free of any defects which affect performances. Special types of equipment and techniques make ...

Waite Research Telescope Mirrors :: Home

2010-4-29 · Fine Grinding a 20" Quartz Telescope Mirror. Rough Grinding on the Fixed-Post Mirror Grinding Machine. Hogging the Curve on a 20" f/4.5 Quartz Telescope Mirror. Astronomy magazine names Waite Research''s Renegade telescope a top astro product of 2015. The 20" Renegade telescope offers fabulous viewing without climbing a ladder.

Amateur Telescope Making Main Page

 · 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 …

Lenses

2015-10-15 · Lens grinding machine, circa 1836. 17th century lens grinding lathe. ... When it became possible to make generalizations about the performance of telescopes, it became obvious that the spherical aberration due to the shape of simple lenses was a …

Mel Bartels'' Amateur Telescope Making

2021-9-25 · The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.