Pyramid uses the high-performance 40-axis homemade mirror grinding machine which generates high quality mirror sheets with 1.5 meters per minute. The production is fully automated with high quality and high stability. NO.8 Thicker Plate( Thicker Gauge)
home made grinding machine, homemade telescope mirror … an inexpensive stone mill, or home made grinder. any ideas? feb 6, 2012 this is the best that i have found, … homemade glass grinding coolant/lubricant: …
Oct 05, 2005· Thanks guys, I'm really looking forward to this machine's completion. There's a dearth of good "glass pushers" out there, and I'd like to join their ranks. James: I've done a couple 6" mirrors and 5" mirrors the hard way, and it's a major pain, literally. Standing, walking around the barrel and pushing add up to major back problems for me.
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.
Oct 03, 2006· Thanks for the video Jim. I had no idea that these machines ran at those speeds. When I built my machine, I didn't have a computer or any books on building grinding machines so I built one that mimics the stroke a person would do. For …
Sep 11, 2021· Mar 06, &#; 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?
Mar 25, 2009· Fixed post mirror making machine - posted in ATM, Optics and DIY Forum: I am in the process of constructing a fixed post mirror grinding machine. This will be for grinding a 20 inch mirror. I have successfully ground a 14 inch mirror by hand. I have a 1/2 hp single phase motor, the shaft rotates at 1400rpm. I want to get this down to 40 rpm using pulleys.
Parabolic-mirror-grinding machine. Applications Claiming Priority (1) Application Number Priority Date Filing Date Title; US86695214A US1171174A (en) : : Parabolic-mirror-grinding machine. Publications (1) Publication Number Publication Date ...
How to Make Your Own Telescope Mirror: [Fig 1] This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and 0.75" thick. Its what I decided to use to make the mirror. Cutting it into smaller sections can be difficult but scoring it with a glass cutter …
China Sheet Polishing Grinding Machine - Select 2021 Sheet Polishing Grinding Machine products from verified China Sheet Polishing Grinding Machine manufacturers, suppliers on Made-in …
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 …
Dec 8, 2015 - Homemade rotary table used in watchmaking-related machining operations. Pinterest. Today. Explore. ... Metal Working Machines Metal Working Tools Grinding Machine Milling Machine Metal Lathe Projects Lathe Tools Woodworking Tools Desktop Cnc Homemade Tools.
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.
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 opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.
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 Convention Homemade Telescopes on display on Breezy Hill at the Stellafane Convention. Many activities at the annual convention are oriented towards Amateur Telescope Makers: Mirror Making and Telescope Making demonstrations, Technical Talks, encouragement to Display Home Made Telescopes on Breezy Hill, and Mechanical and Optical Competitions for home made telescopes.
The image below was taken using my first homemade 6" mirror. Even though this was my first mirror, its optical quality is two to three times better than the average mirror found in an imported telescope ... After fine grinding is complete, the mirror must be polished. It is
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. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of knowledge and the insurance of quality.
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 …
Jun 20, 2009· Hybrid-Hindle grinding/polishing machine for telescope mirrors and lenses.
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.
Nov 01, 2011· 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 …
Industrial Grinding Machine. 309 likes · 2 talking about this. AS a leading manufacturer in china more than 18 years, Dongguan Jinzhu Machine Equipment Co.,ltd is specialized in design and produce...
Sep 13, 2021· With the help of our expertise, they make sure high-level Mirror Polishing Machine by designing our machines with the supreme rigorous quality control measures during each stage of production. Among a mirror finish, any imperfections not addressed in the pre-grinding and pre-polishing steps will be magnified when the mirror finish is applied.
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.
• Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good • Typical mirror want pyrex (eg BK7) • Then need a tool blank – poorer glass & softer glass • Place mirror on top tool • Now add grinding compound (grit) between tool & …
Homemade. Space. Kids. 10 Inch Telescope Mirror Kit. 10 Inch Telescope Mirror Kit ... Outer Space. Science And Technology. Inventions. Quartz. Good Things. Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine. Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine. ... Mirror grinding. Diy Telescope. Bath Caddy ...
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. 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).
Nov 06, 2020· 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.
Aug 19, 2019· - an old homemade desk - serve as the platform (free) ... I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. ... this is a glass grinding machine". Spouse: "OK, Have fun with that, be sure you vacuum up the mess, and throw out all the sundry flotsam." Its going to take a huge vacuum.
The basic model H-147 cylindrical grinding machine features a 25 x 160-in work envelope six-speed pulley workhead hydrodynamic spindle and digital readouts An automatic pick feed reverses the feed at the end of each pass Behind-the-wheel dressing wheel balancing and manual swing-down part gauging are built in Hydro-cyclonic coolant...
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 …
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 …
Hi guys; here is my homemade surface grinder. made from Makita chop saw. works very well. in the pic was setting up to grind one of those so called. Saved by ehsan pourali. 7. Metal Working Tools Metal Tools Homemade Tools Diy Tools Homemade Machine Chop Saw Welding Shop Metal Workshop Diy Cnc. More information...
May 31, 2021· PeteDCard81, on 21 Jun 2021 - 10:11 AM, said: The Hubble primary mirror was designed to the correct specification (parameters) but ended up misshaped because of an incorrectly assembled null optics test tool. This test tool was acquired from the Perkin Elmer side of the shop that did work on Defense projects.
Feb 15, 2016· The machine is shown grinding a 300 mm mirror.How to build a tachometer:
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.
Vakuum-Bedampfunsanlage selbstgebaut Homemade vacuum coating machine Spiegel-Schleifmaschine selbstgebaut Homemade mirror grinding machine Das Fluid-Jet-Polishing Projekt Mirror-Round-Robin Testbericht Mountainbike-Touren rund um Herzberg am Harz. Bericht vom RAP 2006, dem grössten französischen Teleskoptreffen
