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The 1.3m telescope mirror blank has been completed by Peter Wangsness and is now at JP Astrocraft in Charleston, 1.3-m Mirror Grinding Machine Mirror-O-Matic Dr. Debug Grinding your own telescope mirror seemed like a cool idea until I did more research and discovered all the physical.Free quote
Grinding Machine for Large Telescope Mirrors 2017-8-9 183 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.
Mirror grinding machine construction log get to far and put it aside for a while as I built several med sized dobsonian telescopes, A 15quot for myself and a 16quot for the NBANB. Both of these mirrors were bought, but I still wanted to grind one myself. I ordered an 8quot kit from Willman-Bell but it.
Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making ,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineos Desktop GrindingPolishing Machine Ken Liljas Grinding Machine Grinding Machine Figuring Figuring a Paraboidal mirror by thermal.
Now that I have several blanks made, it is time to grind and polish one into a telescope mirror and test it out. I can use one blank as the mirror and another as the grinding tool, and have a couple in reserve in case something goes horribly wrong during the grinding and polishing operations. Ill post an update once a mirror is completed.
Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable. Small mirrors are generally ground and polished by rotating the tool, fastened to the turntable, and working the mirror blank by hand either in straight or in circular strokes over the tool. In this case the overhang of the mirror.
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.
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 I designed and built a grinding machine for mirrors up to 42 inches 1.1m in diameter.
The new fixed-post grinding machine is working on the 14.75quot quartz mirror. This video shows rough grinding on the blank, which is done to get the mirror to the exact focal length we want. This mirror will have a focal length of 60quot, which is F4. A steel-nut and die stone tool is fixed in place with a slight overhang over the edge of the mirror.
Telescope Mirror Grinding Machine For Sale. What are the best sources for mirror blanks - posted in atm, optics and diy forum ever since i found stellafanes mirror making page, ive been itching to build my own telescope.Im going to start with a 6-8in.Newt the classic beginning atm project.All i need now are the materials i can find the yogurt containers pretty easily.For the rest of it, i had.
The next generation of ground-based telescopes requires hundreds of meter-scale, off-axis reflective mirrors. To fulfill the fabrication demands, the Cranfield BoX grinding machine was.
Grindingpolishing machines work by rotating the bottom piece mirror or tool and letting the top piece freely rotate about its central axis as it desires to do. As you watch a machine work, the upper piece will rotate at about 12 to 110 the speed of the bottom piece.
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 quotWquot 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.
Telescope mirror grinding machine based on dennis rechs m o m 20. Get Price. fabricating and metalworking five key machine . the 2018 version of solidworks based logopress3 die design software from accurate die design software can show the actual slugs underneath the punches that will be falling though the die openings.
Sep 26, 2006018332The true test of the amateur astronomer is building their own telescope. Grinding and polishing your own mirrors is a long, arduous process. Instead of.
This exercise is not intended to make a perfect piece of optics, but just to show the principle of the methods used in practice and to convince our students that amateur telescope making is surprisingly simple and accessible. Further technical details may be found in many books on amateur telescope.
Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy.
Aug 19, 2019018332Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan. I like the fixed-post plan vs others with eccentric drives, because it gets the heavy grinding done in an automated.
Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs Not True Telescope mirrors can be made in your kitchen, basement or garage with nothing more than the mirror blank and a second piece of glass called the tool to rub the mirror.
Centerless Grinding Rotary Grinding TELESCOPE MIRROR BLANKS MADE TO YOUR SPECIFICATIONS. If one of our standard telescope mirror blanks isnt exactly what youre looking for, Advanced Glass can custom make a telescope mirror blank to your specifications. AGI can diamond machine ID holes into your mirror blank AGI can produce.
TELESCOPE MIRRORS, BLANKS, TOOLS, TESTERS, GRINDING MATERIALS, POLISHING MATERIALS, ALUMINISING, MIRROR BOX, RONCHI, LASER, FOUCAULT, per kilo 40AUD Tin oxide grinding powder per kilo 30AUD Pumice grinding powder per kilo 30AUD 80 Grade grinding powder per 8quot mirror 2AUD 120 quot quot 2AUD 220 quot quot 3AUD 320 quot quot 4AUD 500 quot quot 6AUD 1000.
How to Make Your Own Telescope Mirror Fig 1 This is a large piece of glass a woman off Craigslist gave me. It was 40quotx40quot and 0.75quot 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 and tapping the.
Jims Mobile, Inc. JMI Telescopes is a world renowned manufacturer of astronomical telescopes and aftermarket accessories for the amateur and professional astronomer. We manufacture telescopes and accessories such as telescope wheels, carrying cases, guiding computers, focusers, motors and motor controls and much more.
George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s. Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.
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.
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